Opinion Poll by Opinium for The Observer, 15–17 March 2023
Voting Intentions | Seats | Coalitions | Technical Information
Voting Intentions

Confidence Intervals
| Party | Last Result | Poll Result | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval | 
|---|---|---|---|---|---|---|
| Labour Party | 32.1% | 46.4% | 44.7–48.2% | 44.2–48.7% | 43.7–49.1% | 42.9–50.0% | 
| Conservative Party | 43.6% | 30.6% | 29.0–32.3% | 28.6–32.8% | 28.2–33.2% | 27.5–34.0% | 
| Liberal Democrats | 11.5% | 8.4% | 7.5–9.5% | 7.3–9.8% | 7.0–10.1% | 6.6–10.6% | 
| Green Party | 2.8% | 5.0% | 4.3–5.8% | 4.1–6.1% | 3.9–6.3% | 3.6–6.7% | 
| Brexit Party | 2.0% | 3.2% | 2.7–3.9% | 2.5–4.2% | 2.4–4.3% | 2.2–4.7% | 
| Scottish National Party | 3.9% | 3.2% | 2.6–3.9% | 2.5–4.1% | 2.3–4.3% | 2.1–4.6% | 
| Plaid Cymru | 0.5% | 1.1% | 0.8–1.5% | 0.7–1.6% | 0.6–1.8% | 0.5–2.0% | 
Note: The poll result column reflects the actual value used in the calculations. Published results may vary slightly, and in addition be rounded to fewer digits.
Seats


Confidence Intervals
| Party | Last Result | Median | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval | 
|---|---|---|---|---|---|---|
| Labour Party | 202 | 360 | 341–381 | 336–387 | 332–392 | 326–403 | 
| Conservative Party | 365 | 215 | 194–235 | 189–239 | 182–241 | 172–248 | 
| Liberal Democrats | 11 | 12 | 7–20 | 6–22 | 6–23 | 6–25 | 
| Green Party | 1 | 1 | 1 | 1 | 1 | 1 | 
| Brexit Party | 0 | 0 | 0–2 | 0–3 | 0–3 | 0–3 | 
| Scottish National Party | 48 | 38 | 23–49 | 18–52 | 16–54 | 10–56 | 
| Plaid Cymru | 4 | 5 | 5 | 4–6 | 4–6 | 3–7 | 
Labour Party
For a full overview of the results for this party, see the Labour Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 202 | 0% | 100% | Last Result | 
| 203 | 0% | 100% | |
| 204 | 0% | 100% | |
| 205 | 0% | 100% | |
| 206 | 0% | 100% | |
| 207 | 0% | 100% | |
| 208 | 0% | 100% | |
| 209 | 0% | 100% | |
| 210 | 0% | 100% | |
| 211 | 0% | 100% | |
| 212 | 0% | 100% | |
| 213 | 0% | 100% | |
| 214 | 0% | 100% | |
| 215 | 0% | 100% | |
| 216 | 0% | 100% | |
| 217 | 0% | 100% | |
| 218 | 0% | 100% | |
| 219 | 0% | 100% | |
| 220 | 0% | 100% | |
| 221 | 0% | 100% | |
| 222 | 0% | 100% | |
| 223 | 0% | 100% | |
| 224 | 0% | 100% | |
| 225 | 0% | 100% | |
| 226 | 0% | 100% | |
| 227 | 0% | 100% | |
| 228 | 0% | 100% | |
| 229 | 0% | 100% | |
| 230 | 0% | 100% | |
| 231 | 0% | 100% | |
| 232 | 0% | 100% | |
| 233 | 0% | 100% | |
| 234 | 0% | 100% | |
| 235 | 0% | 100% | |
| 236 | 0% | 100% | |
| 237 | 0% | 100% | |
| 238 | 0% | 100% | |
| 239 | 0% | 100% | |
| 240 | 0% | 100% | |
| 241 | 0% | 100% | |
| 242 | 0% | 100% | |
| 243 | 0% | 100% | |
| 244 | 0% | 100% | |
| 245 | 0% | 100% | |
| 246 | 0% | 100% | |
| 247 | 0% | 100% | |
| 248 | 0% | 100% | |
| 249 | 0% | 100% | |
| 250 | 0% | 100% | |
| 251 | 0% | 100% | |
| 252 | 0% | 100% | |
| 253 | 0% | 100% | |
| 254 | 0% | 100% | |
| 255 | 0% | 100% | |
| 256 | 0% | 100% | |
| 257 | 0% | 100% | |
| 258 | 0% | 100% | |
| 259 | 0% | 100% | |
| 260 | 0% | 100% | |
| 261 | 0% | 100% | |
| 262 | 0% | 100% | |
| 263 | 0% | 100% | |
| 264 | 0% | 100% | |
| 265 | 0% | 100% | |
| 266 | 0% | 100% | |
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 99.9% | |
| 321 | 0% | 99.9% | |
| 322 | 0% | 99.9% | |
| 323 | 0.1% | 99.8% | |
| 324 | 0% | 99.7% | |
| 325 | 0.1% | 99.7% | |
| 326 | 0.1% | 99.5% | Majority | 
| 327 | 0.2% | 99.4% | |
| 328 | 0.2% | 99.2% | |
| 329 | 0.3% | 99.0% | |
| 330 | 0.6% | 98.7% | |
| 331 | 0.3% | 98% | |
| 332 | 0.6% | 98% | |
| 333 | 0.4% | 97% | |
| 334 | 0.7% | 97% | |
| 335 | 0.6% | 96% | |
| 336 | 0.8% | 96% | |
| 337 | 0.9% | 95% | |
| 338 | 2% | 94% | |
| 339 | 2% | 92% | |
| 340 | 0.7% | 91% | |
| 341 | 2% | 90% | |
| 342 | 1.4% | 88% | |
| 343 | 1.3% | 87% | |
| 344 | 2% | 86% | |
| 345 | 1.5% | 83% | |
| 346 | 2% | 82% | |
| 347 | 2% | 80% | |
| 348 | 2% | 78% | |
| 349 | 1.2% | 76% | |
| 350 | 2% | 75% | |
| 351 | 1.5% | 73% | |
| 352 | 0.9% | 71% | |
| 353 | 4% | 70% | |
| 354 | 2% | 66% | |
| 355 | 3% | 64% | |
| 356 | 3% | 61% | |
| 357 | 3% | 59% | |
| 358 | 0.9% | 56% | |
| 359 | 4% | 55% | |
| 360 | 3% | 51% | Median | 
| 361 | 1.3% | 48% | |
| 362 | 2% | 47% | |
| 363 | 2% | 44% | |
| 364 | 2% | 42% | |
| 365 | 2% | 41% | |
| 366 | 3% | 39% | |
| 367 | 2% | 36% | |
| 368 | 2% | 34% | |
| 369 | 1.4% | 32% | |
| 370 | 1.2% | 31% | |
| 371 | 2% | 29% | |
| 372 | 2% | 27% | |
| 373 | 2% | 25% | |
| 374 | 1.4% | 23% | |
| 375 | 1.5% | 21% | |
| 376 | 2% | 20% | |
| 377 | 3% | 18% | |
| 378 | 2% | 15% | |
| 379 | 1.1% | 13% | |
| 380 | 2% | 12% | |
| 381 | 0.5% | 10% | |
| 382 | 2% | 10% | |
| 383 | 0.7% | 8% | |
| 384 | 0.8% | 7% | |
| 385 | 0.4% | 6% | |
| 386 | 0.7% | 6% | |
| 387 | 0.4% | 5% | |
| 388 | 0.8% | 5% | |
| 389 | 0.6% | 4% | |
| 390 | 0.3% | 3% | |
| 391 | 0.3% | 3% | |
| 392 | 0.4% | 3% | |
| 393 | 0.4% | 2% | |
| 394 | 0.2% | 2% | |
| 395 | 0.5% | 2% | |
| 396 | 0.1% | 1.4% | |
| 397 | 0.1% | 1.3% | |
| 398 | 0.1% | 1.1% | |
| 399 | 0.3% | 1.0% | |
| 400 | 0.1% | 0.8% | |
| 401 | 0.1% | 0.7% | |
| 402 | 0% | 0.6% | |
| 403 | 0.1% | 0.5% | |
| 404 | 0% | 0.4% | |
| 405 | 0% | 0.4% | |
| 406 | 0% | 0.3% | |
| 407 | 0.1% | 0.3% | |
| 408 | 0% | 0.2% | |
| 409 | 0% | 0.2% | |
| 410 | 0% | 0.2% | |
| 411 | 0% | 0.1% | |
| 412 | 0% | 0.1% | |
| 413 | 0% | 0.1% | |
| 414 | 0% | 0.1% | |
| 415 | 0% | 0% | 
Conservative Party
For a full overview of the results for this party, see the Conservative Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 160 | 0% | 100% | |
| 161 | 0% | 99.9% | |
| 162 | 0% | 99.9% | |
| 163 | 0% | 99.9% | |
| 164 | 0% | 99.9% | |
| 165 | 0% | 99.9% | |
| 166 | 0% | 99.9% | |
| 167 | 0% | 99.8% | |
| 168 | 0% | 99.8% | |
| 169 | 0.1% | 99.8% | |
| 170 | 0.1% | 99.7% | |
| 171 | 0% | 99.6% | |
| 172 | 0.1% | 99.5% | |
| 173 | 0.1% | 99.5% | |
| 174 | 0.1% | 99.3% | |
| 175 | 0.1% | 99.2% | |
| 176 | 0.3% | 99.1% | |
| 177 | 0.2% | 98.8% | |
| 178 | 0.2% | 98.6% | |
| 179 | 0.1% | 98% | |
| 180 | 0.2% | 98% | |
| 181 | 0.4% | 98% | |
| 182 | 0.3% | 98% | |
| 183 | 0.2% | 97% | |
| 184 | 0.3% | 97% | |
| 185 | 0.5% | 97% | |
| 186 | 0.2% | 96% | |
| 187 | 0.4% | 96% | |
| 188 | 0.4% | 96% | |
| 189 | 0.5% | 95% | |
| 190 | 0.7% | 95% | |
| 191 | 0.9% | 94% | |
| 192 | 0.8% | 93% | |
| 193 | 2% | 92% | |
| 194 | 3% | 90% | |
| 195 | 2% | 87% | |
| 196 | 3% | 85% | |
| 197 | 3% | 82% | |
| 198 | 1.5% | 79% | |
| 199 | 0.6% | 78% | |
| 200 | 1.4% | 77% | |
| 201 | 3% | 76% | |
| 202 | 2% | 73% | |
| 203 | 1.1% | 71% | |
| 204 | 2% | 70% | |
| 205 | 1.1% | 68% | |
| 206 | 1.1% | 67% | |
| 207 | 1.1% | 65% | |
| 208 | 2% | 64% | |
| 209 | 1.1% | 62% | |
| 210 | 1.1% | 61% | |
| 211 | 1.1% | 60% | |
| 212 | 2% | 59% | |
| 213 | 4% | 57% | |
| 214 | 2% | 53% | |
| 215 | 4% | 51% | Median | 
| 216 | 3% | 47% | |
| 217 | 4% | 44% | |
| 218 | 3% | 40% | |
| 219 | 2% | 38% | |
| 220 | 2% | 35% | |
| 221 | 3% | 33% | |
| 222 | 2% | 29% | |
| 223 | 2% | 27% | |
| 224 | 1.2% | 25% | |
| 225 | 2% | 24% | |
| 226 | 1.1% | 22% | |
| 227 | 1.2% | 21% | |
| 228 | 1.2% | 19% | |
| 229 | 1.0% | 18% | |
| 230 | 1.4% | 17% | |
| 231 | 1.0% | 16% | |
| 232 | 1.0% | 15% | |
| 233 | 1.1% | 14% | |
| 234 | 2% | 13% | |
| 235 | 2% | 11% | |
| 236 | 2% | 9% | |
| 237 | 1.0% | 7% | |
| 238 | 0.9% | 6% | |
| 239 | 1.5% | 5% | |
| 240 | 1.0% | 4% | |
| 241 | 0.6% | 3% | |
| 242 | 0.3% | 2% | |
| 243 | 0.2% | 2% | |
| 244 | 0.2% | 2% | |
| 245 | 0.3% | 1.4% | |
| 246 | 0.4% | 1.1% | |
| 247 | 0.2% | 0.7% | |
| 248 | 0.2% | 0.5% | |
| 249 | 0.1% | 0.3% | |
| 250 | 0% | 0.2% | |
| 251 | 0% | 0.2% | |
| 252 | 0% | 0.1% | |
| 253 | 0% | 0.1% | |
| 254 | 0% | 0.1% | |
| 255 | 0% | 0.1% | |
| 256 | 0% | 0% | |
| 257 | 0% | 0% | |
| 258 | 0% | 0% | |
| 259 | 0% | 0% | |
| 260 | 0% | 0% | |
| 261 | 0% | 0% | |
| 262 | 0% | 0% | |
| 263 | 0% | 0% | |
| 264 | 0% | 0% | |
| 265 | 0% | 0% | |
| 266 | 0% | 0% | |
| 267 | 0% | 0% | |
| 268 | 0% | 0% | |
| 269 | 0% | 0% | |
| 270 | 0% | 0% | |
| 271 | 0% | 0% | |
| 272 | 0% | 0% | |
| 273 | 0% | 0% | |
| 274 | 0% | 0% | |
| 275 | 0% | 0% | |
| 276 | 0% | 0% | |
| 277 | 0% | 0% | |
| 278 | 0% | 0% | |
| 279 | 0% | 0% | |
| 280 | 0% | 0% | |
| 281 | 0% | 0% | |
| 282 | 0% | 0% | |
| 283 | 0% | 0% | |
| 284 | 0% | 0% | |
| 285 | 0% | 0% | |
| 286 | 0% | 0% | |
| 287 | 0% | 0% | |
| 288 | 0% | 0% | |
| 289 | 0% | 0% | |
| 290 | 0% | 0% | |
| 291 | 0% | 0% | |
| 292 | 0% | 0% | |
| 293 | 0% | 0% | |
| 294 | 0% | 0% | |
| 295 | 0% | 0% | |
| 296 | 0% | 0% | |
| 297 | 0% | 0% | |
| 298 | 0% | 0% | |
| 299 | 0% | 0% | |
| 300 | 0% | 0% | |
| 301 | 0% | 0% | |
| 302 | 0% | 0% | |
| 303 | 0% | 0% | |
| 304 | 0% | 0% | |
| 305 | 0% | 0% | |
| 306 | 0% | 0% | |
| 307 | 0% | 0% | |
| 308 | 0% | 0% | |
| 309 | 0% | 0% | |
| 310 | 0% | 0% | |
| 311 | 0% | 0% | |
| 312 | 0% | 0% | |
| 313 | 0% | 0% | |
| 314 | 0% | 0% | |
| 315 | 0% | 0% | |
| 316 | 0% | 0% | |
| 317 | 0% | 0% | |
| 318 | 0% | 0% | |
| 319 | 0% | 0% | |
| 320 | 0% | 0% | |
| 321 | 0% | 0% | |
| 322 | 0% | 0% | |
| 323 | 0% | 0% | |
| 324 | 0% | 0% | |
| 325 | 0% | 0% | |
| 326 | 0% | 0% | Majority | 
| 327 | 0% | 0% | |
| 328 | 0% | 0% | |
| 329 | 0% | 0% | |
| 330 | 0% | 0% | |
| 331 | 0% | 0% | |
| 332 | 0% | 0% | |
| 333 | 0% | 0% | |
| 334 | 0% | 0% | |
| 335 | 0% | 0% | |
| 336 | 0% | 0% | |
| 337 | 0% | 0% | |
| 338 | 0% | 0% | |
| 339 | 0% | 0% | |
| 340 | 0% | 0% | |
| 341 | 0% | 0% | |
| 342 | 0% | 0% | |
| 343 | 0% | 0% | |
| 344 | 0% | 0% | |
| 345 | 0% | 0% | |
| 346 | 0% | 0% | |
| 347 | 0% | 0% | |
| 348 | 0% | 0% | |
| 349 | 0% | 0% | |
| 350 | 0% | 0% | |
| 351 | 0% | 0% | |
| 352 | 0% | 0% | |
| 353 | 0% | 0% | |
| 354 | 0% | 0% | |
| 355 | 0% | 0% | |
| 356 | 0% | 0% | |
| 357 | 0% | 0% | |
| 358 | 0% | 0% | |
| 359 | 0% | 0% | |
| 360 | 0% | 0% | |
| 361 | 0% | 0% | |
| 362 | 0% | 0% | |
| 363 | 0% | 0% | |
| 364 | 0% | 0% | |
| 365 | 0% | 0% | Last Result | 
Liberal Democrats
For a full overview of the results for this party, see the Liberal Democrats page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 4 | 0.2% | 100% | |
| 5 | 0.1% | 99.7% | |
| 6 | 5% | 99.7% | |
| 7 | 9% | 94% | |
| 8 | 10% | 85% | |
| 9 | 11% | 75% | |
| 10 | 3% | 64% | |
| 11 | 6% | 61% | Last Result | 
| 12 | 13% | 55% | Median | 
| 13 | 2% | 42% | |
| 14 | 2% | 40% | |
| 15 | 7% | 37% | |
| 16 | 4% | 30% | |
| 17 | 5% | 26% | |
| 18 | 1.3% | 21% | |
| 19 | 6% | 20% | |
| 20 | 6% | 13% | |
| 21 | 2% | 8% | |
| 22 | 3% | 6% | |
| 23 | 2% | 3% | |
| 24 | 0.4% | 1.2% | |
| 25 | 0.4% | 0.8% | |
| 26 | 0.3% | 0.4% | |
| 27 | 0.1% | 0.2% | |
| 28 | 0% | 0.1% | |
| 29 | 0% | 0% | 
Green Party
For a full overview of the results for this party, see the Green Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 1 | 99.5% | 100% | Last Result, Median | 
| 2 | 0.3% | 0.5% | |
| 3 | 0.1% | 0.1% | |
| 4 | 0% | 0% | 
Brexit Party
For a full overview of the results for this party, see the Brexit Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 0 | 83% | 100% | Last Result, Median | 
| 1 | 2% | 17% | |
| 2 | 9% | 14% | |
| 3 | 5% | 5% | |
| 4 | 0% | 0% | 
Scottish National Party
For a full overview of the results for this party, see the Scottish National Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 7 | 0% | 100% | |
| 8 | 0.2% | 99.9% | |
| 9 | 0.1% | 99.8% | |
| 10 | 0.2% | 99.6% | |
| 11 | 0.3% | 99.4% | |
| 12 | 0.3% | 99.1% | |
| 13 | 0.1% | 98.8% | |
| 14 | 0.2% | 98.6% | |
| 15 | 0.3% | 98% | |
| 16 | 0.7% | 98% | |
| 17 | 1.4% | 97% | |
| 18 | 1.5% | 96% | |
| 19 | 0.9% | 94% | |
| 20 | 0.7% | 94% | |
| 21 | 1.0% | 93% | |
| 22 | 1.3% | 92% | |
| 23 | 2% | 91% | |
| 24 | 1.5% | 89% | |
| 25 | 2% | 87% | |
| 26 | 1.2% | 85% | |
| 27 | 0.9% | 84% | |
| 28 | 2% | 83% | |
| 29 | 2% | 81% | |
| 30 | 2% | 79% | |
| 31 | 4% | 76% | |
| 32 | 2% | 73% | |
| 33 | 5% | 70% | |
| 34 | 4% | 65% | |
| 35 | 4% | 61% | |
| 36 | 4% | 57% | |
| 37 | 3% | 54% | |
| 38 | 4% | 51% | Median | 
| 39 | 5% | 47% | |
| 40 | 4% | 43% | |
| 41 | 4% | 39% | |
| 42 | 2% | 35% | |
| 43 | 6% | 33% | |
| 44 | 4% | 27% | |
| 45 | 5% | 23% | |
| 46 | 5% | 18% | |
| 47 | 1.4% | 14% | |
| 48 | 2% | 12% | Last Result | 
| 49 | 1.2% | 10% | |
| 50 | 2% | 9% | |
| 51 | 1.0% | 7% | |
| 52 | 1.3% | 6% | |
| 53 | 2% | 5% | |
| 54 | 0.9% | 3% | |
| 55 | 1.1% | 2% | |
| 56 | 0.3% | 0.8% | |
| 57 | 0.4% | 0.4% | |
| 58 | 0.1% | 0.1% | |
| 59 | 0% | 0% | 
Plaid Cymru
For a full overview of the results for this party, see the Plaid Cymru page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 3 | 0.7% | 100% | |
| 4 | 5% | 99.3% | Last Result | 
| 5 | 86% | 94% | Median | 
| 6 | 7% | 8% | |
| 7 | 0.9% | 0.9% | |
| 8 | 0% | 0% | 
Coalitions

Confidence Intervals
| Coalition | Last Result | Median | Majority? | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval | 
|---|---|---|---|---|---|---|---|
| Labour Party – Liberal Democrats – Green Party – Scottish National Party – Plaid Cymru | 266 | 415 | 100% | 394–436 | 391–441 | 389–448 | 382–458 | 
| Labour Party – Liberal Democrats – Scottish National Party – Plaid Cymru | 265 | 414 | 100% | 393–435 | 390–440 | 388–447 | 381–457 | 
| Labour Party – Liberal Democrats – Scottish National Party | 261 | 409 | 100% | 388–430 | 385–435 | 383–442 | 376–452 | 
| Labour Party – Scottish National Party – Plaid Cymru | 254 | 402 | 100% | 383–421 | 378–425 | 376–430 | 370–441 | 
| Labour Party – Scottish National Party | 250 | 397 | 100% | 378–416 | 374–420 | 371–425 | 365–436 | 
| Labour Party – Liberal Democrats – Plaid Cymru | 217 | 378 | 100% | 355–403 | 350–408 | 346–415 | 339–426 | 
| Labour Party – Liberal Democrats | 213 | 373 | 100% | 350–398 | 345–403 | 341–410 | 334–421 | 
| Labour Party – Plaid Cymru | 206 | 365 | 99.9% | 346–386 | 341–391 | 337–397 | 331–408 | 
| Labour Party | 202 | 360 | 99.5% | 341–381 | 336–387 | 332–392 | 326–403 | 
| Conservative Party – Scottish National Party – Plaid Cymru | 417 | 256 | 0% | 231–278 | 225–283 | 219–287 | 208–295 | 
| Conservative Party – Scottish National Party | 413 | 250 | 0% | 226–273 | 220–278 | 214–282 | 203–290 | 
| Conservative Party – Liberal Democrats | 376 | 227 | 0% | 208–245 | 203–250 | 199–253 | 188–259 | 
| Conservative Party – Plaid Cymru | 369 | 220 | 0% | 199–240 | 194–243 | 187–246 | 177–253 | 
| Conservative Party | 365 | 215 | 0% | 194–235 | 189–239 | 182–241 | 172–248 | 
Labour Party – Liberal Democrats – Green Party – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 266 | 0% | 100% | Last Result | 
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 100% | |
| 321 | 0% | 100% | |
| 322 | 0% | 100% | |
| 323 | 0% | 100% | |
| 324 | 0% | 100% | |
| 325 | 0% | 100% | |
| 326 | 0% | 100% | Majority | 
| 327 | 0% | 100% | |
| 328 | 0% | 100% | |
| 329 | 0% | 100% | |
| 330 | 0% | 100% | |
| 331 | 0% | 100% | |
| 332 | 0% | 100% | |
| 333 | 0% | 100% | |
| 334 | 0% | 100% | |
| 335 | 0% | 100% | |
| 336 | 0% | 100% | |
| 337 | 0% | 100% | |
| 338 | 0% | 100% | |
| 339 | 0% | 100% | |
| 340 | 0% | 100% | |
| 341 | 0% | 100% | |
| 342 | 0% | 100% | |
| 343 | 0% | 100% | |
| 344 | 0% | 100% | |
| 345 | 0% | 100% | |
| 346 | 0% | 100% | |
| 347 | 0% | 100% | |
| 348 | 0% | 100% | |
| 349 | 0% | 100% | |
| 350 | 0% | 100% | |
| 351 | 0% | 100% | |
| 352 | 0% | 100% | |
| 353 | 0% | 100% | |
| 354 | 0% | 100% | |
| 355 | 0% | 100% | |
| 356 | 0% | 100% | |
| 357 | 0% | 100% | |
| 358 | 0% | 100% | |
| 359 | 0% | 100% | |
| 360 | 0% | 100% | |
| 361 | 0% | 100% | |
| 362 | 0% | 100% | |
| 363 | 0% | 100% | |
| 364 | 0% | 100% | |
| 365 | 0% | 100% | |
| 366 | 0% | 100% | |
| 367 | 0% | 100% | |
| 368 | 0% | 100% | |
| 369 | 0% | 100% | |
| 370 | 0% | 100% | |
| 371 | 0% | 100% | |
| 372 | 0% | 100% | |
| 373 | 0% | 100% | |
| 374 | 0% | 100% | |
| 375 | 0% | 100% | |
| 376 | 0% | 99.9% | |
| 377 | 0% | 99.9% | |
| 378 | 0% | 99.9% | |
| 379 | 0% | 99.9% | |
| 380 | 0% | 99.8% | |
| 381 | 0.1% | 99.8% | |
| 382 | 0.2% | 99.6% | |
| 383 | 0.2% | 99.4% | |
| 384 | 0.5% | 99.2% | |
| 385 | 0.3% | 98.7% | |
| 386 | 0.2% | 98% | |
| 387 | 0.2% | 98% | |
| 388 | 0.3% | 98% | |
| 389 | 0.6% | 98% | |
| 390 | 1.0% | 97% | |
| 391 | 2% | 96% | |
| 392 | 1.2% | 94% | |
| 393 | 1.5% | 93% | |
| 394 | 2% | 92% | |
| 395 | 2% | 89% | |
| 396 | 2% | 88% | |
| 397 | 1.2% | 86% | |
| 398 | 1.1% | 85% | |
| 399 | 0.7% | 84% | |
| 400 | 1.2% | 83% | |
| 401 | 1.1% | 82% | |
| 402 | 1.0% | 81% | |
| 403 | 1.1% | 80% | |
| 404 | 1.0% | 79% | |
| 405 | 2% | 78% | |
| 406 | 1.1% | 76% | |
| 407 | 2% | 74% | |
| 408 | 2% | 72% | |
| 409 | 3% | 70% | |
| 410 | 3% | 67% | |
| 411 | 2% | 64% | |
| 412 | 2% | 61% | |
| 413 | 4% | 59% | |
| 414 | 3% | 55% | |
| 415 | 4% | 52% | |
| 416 | 2% | 48% | Median | 
| 417 | 3% | 46% | |
| 418 | 2% | 42% | |
| 419 | 1.1% | 41% | |
| 420 | 1.4% | 40% | |
| 421 | 1.2% | 38% | |
| 422 | 2% | 37% | |
| 423 | 1.2% | 35% | |
| 424 | 1.2% | 34% | |
| 425 | 0.8% | 33% | |
| 426 | 2% | 32% | |
| 427 | 1.0% | 30% | |
| 428 | 2% | 29% | |
| 429 | 3% | 27% | |
| 430 | 1.5% | 24% | |
| 431 | 0.6% | 22% | |
| 432 | 1.4% | 22% | |
| 433 | 3% | 20% | |
| 434 | 3% | 18% | |
| 435 | 2% | 15% | |
| 436 | 3% | 12% | |
| 437 | 2% | 9% | |
| 438 | 0.9% | 8% | |
| 439 | 0.8% | 7% | |
| 440 | 0.7% | 6% | |
| 441 | 0.5% | 5% | |
| 442 | 0.4% | 5% | |
| 443 | 0.4% | 4% | |
| 444 | 0.2% | 4% | |
| 445 | 0.5% | 4% | |
| 446 | 0.3% | 3% | |
| 447 | 0.2% | 3% | |
| 448 | 0.3% | 3% | |
| 449 | 0.4% | 2% | |
| 450 | 0.2% | 2% | |
| 451 | 0.1% | 2% | |
| 452 | 0.2% | 2% | |
| 453 | 0.2% | 1.3% | |
| 454 | 0.3% | 1.2% | |
| 455 | 0.1% | 0.9% | |
| 456 | 0.1% | 0.8% | |
| 457 | 0.2% | 0.7% | |
| 458 | 0.1% | 0.5% | |
| 459 | 0.1% | 0.4% | |
| 460 | 0.1% | 0.4% | |
| 461 | 0.1% | 0.3% | |
| 462 | 0% | 0.2% | |
| 463 | 0% | 0.2% | |
| 464 | 0% | 0.2% | |
| 465 | 0% | 0.1% | |
| 466 | 0% | 0.1% | |
| 467 | 0% | 0.1% | |
| 468 | 0% | 0.1% | |
| 469 | 0% | 0.1% | |
| 470 | 0% | 0.1% | |
| 471 | 0% | 0% | 
Labour Party – Liberal Democrats – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 265 | 0% | 100% | Last Result | 
| 266 | 0% | 100% | |
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 100% | |
| 321 | 0% | 100% | |
| 322 | 0% | 100% | |
| 323 | 0% | 100% | |
| 324 | 0% | 100% | |
| 325 | 0% | 100% | |
| 326 | 0% | 100% | Majority | 
| 327 | 0% | 100% | |
| 328 | 0% | 100% | |
| 329 | 0% | 100% | |
| 330 | 0% | 100% | |
| 331 | 0% | 100% | |
| 332 | 0% | 100% | |
| 333 | 0% | 100% | |
| 334 | 0% | 100% | |
| 335 | 0% | 100% | |
| 336 | 0% | 100% | |
| 337 | 0% | 100% | |
| 338 | 0% | 100% | |
| 339 | 0% | 100% | |
| 340 | 0% | 100% | |
| 341 | 0% | 100% | |
| 342 | 0% | 100% | |
| 343 | 0% | 100% | |
| 344 | 0% | 100% | |
| 345 | 0% | 100% | |
| 346 | 0% | 100% | |
| 347 | 0% | 100% | |
| 348 | 0% | 100% | |
| 349 | 0% | 100% | |
| 350 | 0% | 100% | |
| 351 | 0% | 100% | |
| 352 | 0% | 100% | |
| 353 | 0% | 100% | |
| 354 | 0% | 100% | |
| 355 | 0% | 100% | |
| 356 | 0% | 100% | |
| 357 | 0% | 100% | |
| 358 | 0% | 100% | |
| 359 | 0% | 100% | |
| 360 | 0% | 100% | |
| 361 | 0% | 100% | |
| 362 | 0% | 100% | |
| 363 | 0% | 100% | |
| 364 | 0% | 100% | |
| 365 | 0% | 100% | |
| 366 | 0% | 100% | |
| 367 | 0% | 100% | |
| 368 | 0% | 100% | |
| 369 | 0% | 100% | |
| 370 | 0% | 100% | |
| 371 | 0% | 100% | |
| 372 | 0% | 100% | |
| 373 | 0% | 100% | |
| 374 | 0% | 100% | |
| 375 | 0% | 99.9% | |
| 376 | 0% | 99.9% | |
| 377 | 0% | 99.9% | |
| 378 | 0% | 99.9% | |
| 379 | 0% | 99.8% | |
| 380 | 0.1% | 99.8% | |
| 381 | 0.2% | 99.6% | |
| 382 | 0.2% | 99.4% | |
| 383 | 0.5% | 99.2% | |
| 384 | 0.3% | 98.7% | |
| 385 | 0.2% | 98% | |
| 386 | 0.2% | 98% | |
| 387 | 0.3% | 98% | |
| 388 | 0.6% | 98% | |
| 389 | 1.0% | 97% | |
| 390 | 2% | 96% | |
| 391 | 1.2% | 94% | |
| 392 | 1.5% | 93% | |
| 393 | 2% | 92% | |
| 394 | 2% | 89% | |
| 395 | 2% | 88% | |
| 396 | 1.2% | 86% | |
| 397 | 1.1% | 85% | |
| 398 | 0.7% | 84% | |
| 399 | 1.2% | 83% | |
| 400 | 1.1% | 82% | |
| 401 | 1.0% | 81% | |
| 402 | 1.1% | 80% | |
| 403 | 1.0% | 79% | |
| 404 | 2% | 78% | |
| 405 | 1.1% | 76% | |
| 406 | 2% | 74% | |
| 407 | 2% | 72% | |
| 408 | 3% | 70% | |
| 409 | 3% | 67% | |
| 410 | 2% | 64% | |
| 411 | 2% | 61% | |
| 412 | 4% | 59% | |
| 413 | 3% | 55% | |
| 414 | 4% | 52% | |
| 415 | 2% | 48% | Median | 
| 416 | 3% | 46% | |
| 417 | 2% | 42% | |
| 418 | 1.1% | 41% | |
| 419 | 1.3% | 40% | |
| 420 | 1.2% | 38% | |
| 421 | 2% | 37% | |
| 422 | 1.3% | 35% | |
| 423 | 1.2% | 34% | |
| 424 | 0.8% | 33% | |
| 425 | 2% | 32% | |
| 426 | 1.0% | 30% | |
| 427 | 2% | 29% | |
| 428 | 3% | 27% | |
| 429 | 1.5% | 24% | |
| 430 | 0.6% | 22% | |
| 431 | 1.4% | 22% | |
| 432 | 3% | 20% | |
| 433 | 3% | 18% | |
| 434 | 2% | 15% | |
| 435 | 3% | 12% | |
| 436 | 2% | 9% | |
| 437 | 0.9% | 8% | |
| 438 | 0.8% | 7% | |
| 439 | 0.7% | 6% | |
| 440 | 0.5% | 5% | |
| 441 | 0.4% | 5% | |
| 442 | 0.4% | 4% | |
| 443 | 0.2% | 4% | |
| 444 | 0.5% | 4% | |
| 445 | 0.3% | 3% | |
| 446 | 0.2% | 3% | |
| 447 | 0.3% | 3% | |
| 448 | 0.4% | 2% | |
| 449 | 0.2% | 2% | |
| 450 | 0.1% | 2% | |
| 451 | 0.2% | 2% | |
| 452 | 0.2% | 1.3% | |
| 453 | 0.3% | 1.2% | |
| 454 | 0.1% | 0.9% | |
| 455 | 0.1% | 0.8% | |
| 456 | 0.2% | 0.7% | |
| 457 | 0.1% | 0.5% | |
| 458 | 0% | 0.4% | |
| 459 | 0.1% | 0.4% | |
| 460 | 0.1% | 0.3% | |
| 461 | 0% | 0.2% | |
| 462 | 0% | 0.2% | |
| 463 | 0% | 0.2% | |
| 464 | 0% | 0.1% | |
| 465 | 0% | 0.1% | |
| 466 | 0% | 0.1% | |
| 467 | 0% | 0.1% | |
| 468 | 0% | 0.1% | |
| 469 | 0% | 0.1% | |
| 470 | 0% | 0% | 
Labour Party – Liberal Democrats – Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 261 | 0% | 100% | Last Result | 
| 262 | 0% | 100% | |
| 263 | 0% | 100% | |
| 264 | 0% | 100% | |
| 265 | 0% | 100% | |
| 266 | 0% | 100% | |
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 100% | |
| 321 | 0% | 100% | |
| 322 | 0% | 100% | |
| 323 | 0% | 100% | |
| 324 | 0% | 100% | |
| 325 | 0% | 100% | |
| 326 | 0% | 100% | Majority | 
| 327 | 0% | 100% | |
| 328 | 0% | 100% | |
| 329 | 0% | 100% | |
| 330 | 0% | 100% | |
| 331 | 0% | 100% | |
| 332 | 0% | 100% | |
| 333 | 0% | 100% | |
| 334 | 0% | 100% | |
| 335 | 0% | 100% | |
| 336 | 0% | 100% | |
| 337 | 0% | 100% | |
| 338 | 0% | 100% | |
| 339 | 0% | 100% | |
| 340 | 0% | 100% | |
| 341 | 0% | 100% | |
| 342 | 0% | 100% | |
| 343 | 0% | 100% | |
| 344 | 0% | 100% | |
| 345 | 0% | 100% | |
| 346 | 0% | 100% | |
| 347 | 0% | 100% | |
| 348 | 0% | 100% | |
| 349 | 0% | 100% | |
| 350 | 0% | 100% | |
| 351 | 0% | 100% | |
| 352 | 0% | 100% | |
| 353 | 0% | 100% | |
| 354 | 0% | 100% | |
| 355 | 0% | 100% | |
| 356 | 0% | 100% | |
| 357 | 0% | 100% | |
| 358 | 0% | 100% | |
| 359 | 0% | 100% | |
| 360 | 0% | 100% | |
| 361 | 0% | 100% | |
| 362 | 0% | 100% | |
| 363 | 0% | 100% | |
| 364 | 0% | 100% | |
| 365 | 0% | 100% | |
| 366 | 0% | 100% | |
| 367 | 0% | 100% | |
| 368 | 0% | 100% | |
| 369 | 0% | 100% | |
| 370 | 0% | 99.9% | |
| 371 | 0% | 99.9% | |
| 372 | 0% | 99.9% | |
| 373 | 0% | 99.9% | |
| 374 | 0% | 99.8% | |
| 375 | 0.2% | 99.8% | |
| 376 | 0.2% | 99.6% | |
| 377 | 0.2% | 99.4% | |
| 378 | 0.5% | 99.2% | |
| 379 | 0.3% | 98.7% | |
| 380 | 0.2% | 98% | |
| 381 | 0.2% | 98% | |
| 382 | 0.3% | 98% | |
| 383 | 0.6% | 98% | |
| 384 | 1.0% | 97% | |
| 385 | 1.4% | 96% | |
| 386 | 2% | 95% | |
| 387 | 2% | 93% | |
| 388 | 2% | 91% | |
| 389 | 2% | 89% | |
| 390 | 2% | 88% | |
| 391 | 1.2% | 86% | |
| 392 | 0.9% | 85% | |
| 393 | 0.7% | 84% | |
| 394 | 1.2% | 83% | |
| 395 | 1.1% | 82% | |
| 396 | 0.9% | 81% | |
| 397 | 1.0% | 80% | |
| 398 | 1.1% | 79% | |
| 399 | 2% | 78% | |
| 400 | 1.1% | 75% | |
| 401 | 2% | 74% | |
| 402 | 3% | 72% | |
| 403 | 3% | 69% | |
| 404 | 3% | 66% | |
| 405 | 2% | 64% | |
| 406 | 2% | 61% | |
| 407 | 4% | 59% | |
| 408 | 3% | 55% | |
| 409 | 4% | 52% | |
| 410 | 2% | 48% | Median | 
| 411 | 4% | 46% | |
| 412 | 2% | 42% | |
| 413 | 1.0% | 40% | |
| 414 | 1.3% | 39% | |
| 415 | 1.1% | 38% | |
| 416 | 2% | 37% | |
| 417 | 1.3% | 35% | |
| 418 | 1.2% | 34% | |
| 419 | 0.9% | 33% | |
| 420 | 2% | 32% | |
| 421 | 1.0% | 30% | |
| 422 | 2% | 29% | |
| 423 | 3% | 27% | |
| 424 | 2% | 24% | |
| 425 | 0.8% | 23% | |
| 426 | 1.3% | 22% | |
| 427 | 3% | 20% | |
| 428 | 3% | 18% | |
| 429 | 2% | 15% | |
| 430 | 3% | 13% | |
| 431 | 2% | 10% | |
| 432 | 0.8% | 8% | |
| 433 | 0.8% | 7% | |
| 434 | 0.7% | 6% | |
| 435 | 0.5% | 5% | |
| 436 | 0.4% | 5% | |
| 437 | 0.4% | 4% | |
| 438 | 0.2% | 4% | |
| 439 | 0.4% | 4% | |
| 440 | 0.3% | 3% | |
| 441 | 0.2% | 3% | |
| 442 | 0.3% | 3% | |
| 443 | 0.4% | 2% | |
| 444 | 0.3% | 2% | |
| 445 | 0.1% | 2% | |
| 446 | 0.2% | 2% | |
| 447 | 0.1% | 1.3% | |
| 448 | 0.3% | 1.2% | |
| 449 | 0.1% | 0.9% | |
| 450 | 0.1% | 0.8% | |
| 451 | 0.2% | 0.7% | |
| 452 | 0.1% | 0.5% | |
| 453 | 0.1% | 0.5% | |
| 454 | 0.1% | 0.4% | |
| 455 | 0.1% | 0.3% | |
| 456 | 0% | 0.2% | |
| 457 | 0% | 0.2% | |
| 458 | 0% | 0.2% | |
| 459 | 0% | 0.1% | |
| 460 | 0% | 0.1% | |
| 461 | 0% | 0.1% | |
| 462 | 0% | 0.1% | |
| 463 | 0% | 0.1% | |
| 464 | 0% | 0.1% | |
| 465 | 0% | 0% | 
Labour Party – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 254 | 0% | 100% | Last Result | 
| 255 | 0% | 100% | |
| 256 | 0% | 100% | |
| 257 | 0% | 100% | |
| 258 | 0% | 100% | |
| 259 | 0% | 100% | |
| 260 | 0% | 100% | |
| 261 | 0% | 100% | |
| 262 | 0% | 100% | |
| 263 | 0% | 100% | |
| 264 | 0% | 100% | |
| 265 | 0% | 100% | |
| 266 | 0% | 100% | |
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 100% | |
| 321 | 0% | 100% | |
| 322 | 0% | 100% | |
| 323 | 0% | 100% | |
| 324 | 0% | 100% | |
| 325 | 0% | 100% | |
| 326 | 0% | 100% | Majority | 
| 327 | 0% | 100% | |
| 328 | 0% | 100% | |
| 329 | 0% | 100% | |
| 330 | 0% | 100% | |
| 331 | 0% | 100% | |
| 332 | 0% | 100% | |
| 333 | 0% | 100% | |
| 334 | 0% | 100% | |
| 335 | 0% | 100% | |
| 336 | 0% | 100% | |
| 337 | 0% | 100% | |
| 338 | 0% | 100% | |
| 339 | 0% | 100% | |
| 340 | 0% | 100% | |
| 341 | 0% | 100% | |
| 342 | 0% | 100% | |
| 343 | 0% | 100% | |
| 344 | 0% | 100% | |
| 345 | 0% | 100% | |
| 346 | 0% | 100% | |
| 347 | 0% | 100% | |
| 348 | 0% | 100% | |
| 349 | 0% | 100% | |
| 350 | 0% | 100% | |
| 351 | 0% | 100% | |
| 352 | 0% | 100% | |
| 353 | 0% | 100% | |
| 354 | 0% | 100% | |
| 355 | 0% | 100% | |
| 356 | 0% | 100% | |
| 357 | 0% | 100% | |
| 358 | 0% | 100% | |
| 359 | 0% | 100% | |
| 360 | 0% | 100% | |
| 361 | 0% | 100% | |
| 362 | 0% | 100% | |
| 363 | 0% | 100% | |
| 364 | 0% | 99.9% | |
| 365 | 0% | 99.9% | |
| 366 | 0% | 99.9% | |
| 367 | 0% | 99.8% | |
| 368 | 0.1% | 99.8% | |
| 369 | 0.2% | 99.7% | |
| 370 | 0.3% | 99.6% | |
| 371 | 0.2% | 99.3% | |
| 372 | 0.2% | 99.1% | |
| 373 | 0.2% | 98.9% | |
| 374 | 0.4% | 98.7% | |
| 375 | 0.5% | 98% | |
| 376 | 0.8% | 98% | |
| 377 | 0.9% | 97% | |
| 378 | 1.3% | 96% | |
| 379 | 0.8% | 95% | |
| 380 | 0.9% | 94% | |
| 381 | 0.9% | 93% | |
| 382 | 2% | 92% | |
| 383 | 1.1% | 91% | |
| 384 | 2% | 90% | |
| 385 | 1.3% | 88% | |
| 386 | 1.4% | 86% | |
| 387 | 1.5% | 85% | |
| 388 | 2% | 83% | |
| 389 | 2% | 82% | |
| 390 | 2% | 80% | |
| 391 | 1.3% | 78% | |
| 392 | 2% | 77% | |
| 393 | 3% | 75% | |
| 394 | 1.2% | 72% | |
| 395 | 3% | 71% | |
| 396 | 2% | 68% | |
| 397 | 3% | 65% | |
| 398 | 2% | 62% | |
| 399 | 3% | 60% | |
| 400 | 2% | 58% | |
| 401 | 4% | 56% | |
| 402 | 3% | 52% | |
| 403 | 3% | 49% | Median | 
| 404 | 2% | 46% | |
| 405 | 2% | 43% | |
| 406 | 2% | 42% | |
| 407 | 3% | 40% | |
| 408 | 2% | 37% | |
| 409 | 2% | 35% | |
| 410 | 1.2% | 34% | |
| 411 | 2% | 32% | |
| 412 | 3% | 31% | |
| 413 | 2% | 28% | |
| 414 | 2% | 25% | |
| 415 | 2% | 23% | |
| 416 | 2% | 22% | |
| 417 | 1.1% | 19% | |
| 418 | 2% | 18% | |
| 419 | 3% | 16% | |
| 420 | 1.4% | 13% | |
| 421 | 3% | 12% | |
| 422 | 1.1% | 9% | |
| 423 | 1.0% | 7% | |
| 424 | 0.5% | 6% | |
| 425 | 1.1% | 6% | |
| 426 | 0.9% | 5% | |
| 427 | 0.4% | 4% | |
| 428 | 0.4% | 4% | |
| 429 | 0.5% | 3% | |
| 430 | 0.3% | 3% | |
| 431 | 0.2% | 2% | |
| 432 | 0.4% | 2% | |
| 433 | 0.1% | 2% | |
| 434 | 0.2% | 2% | |
| 435 | 0.1% | 1.3% | |
| 436 | 0.2% | 1.2% | |
| 437 | 0.2% | 1.0% | |
| 438 | 0.1% | 0.8% | |
| 439 | 0.1% | 0.7% | |
| 440 | 0.1% | 0.6% | |
| 441 | 0.1% | 0.6% | |
| 442 | 0.1% | 0.5% | |
| 443 | 0.1% | 0.4% | |
| 444 | 0% | 0.3% | |
| 445 | 0.1% | 0.2% | |
| 446 | 0% | 0.1% | |
| 447 | 0% | 0.1% | |
| 448 | 0% | 0.1% | |
| 449 | 0% | 0.1% | |
| 450 | 0% | 0.1% | |
| 451 | 0% | 0% | 
Labour Party – Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 250 | 0% | 100% | Last Result | 
| 251 | 0% | 100% | |
| 252 | 0% | 100% | |
| 253 | 0% | 100% | |
| 254 | 0% | 100% | |
| 255 | 0% | 100% | |
| 256 | 0% | 100% | |
| 257 | 0% | 100% | |
| 258 | 0% | 100% | |
| 259 | 0% | 100% | |
| 260 | 0% | 100% | |
| 261 | 0% | 100% | |
| 262 | 0% | 100% | |
| 263 | 0% | 100% | |
| 264 | 0% | 100% | |
| 265 | 0% | 100% | |
| 266 | 0% | 100% | |
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 100% | |
| 321 | 0% | 100% | |
| 322 | 0% | 100% | |
| 323 | 0% | 100% | |
| 324 | 0% | 100% | |
| 325 | 0% | 100% | |
| 326 | 0% | 100% | Majority | 
| 327 | 0% | 100% | |
| 328 | 0% | 100% | |
| 329 | 0% | 100% | |
| 330 | 0% | 100% | |
| 331 | 0% | 100% | |
| 332 | 0% | 100% | |
| 333 | 0% | 100% | |
| 334 | 0% | 100% | |
| 335 | 0% | 100% | |
| 336 | 0% | 100% | |
| 337 | 0% | 100% | |
| 338 | 0% | 100% | |
| 339 | 0% | 100% | |
| 340 | 0% | 100% | |
| 341 | 0% | 100% | |
| 342 | 0% | 100% | |
| 343 | 0% | 100% | |
| 344 | 0% | 100% | |
| 345 | 0% | 100% | |
| 346 | 0% | 100% | |
| 347 | 0% | 100% | |
| 348 | 0% | 100% | |
| 349 | 0% | 100% | |
| 350 | 0% | 100% | |
| 351 | 0% | 100% | |
| 352 | 0% | 100% | |
| 353 | 0% | 100% | |
| 354 | 0% | 100% | |
| 355 | 0% | 100% | |
| 356 | 0% | 100% | |
| 357 | 0% | 100% | |
| 358 | 0% | 100% | |
| 359 | 0% | 99.9% | |
| 360 | 0% | 99.9% | |
| 361 | 0% | 99.9% | |
| 362 | 0% | 99.8% | |
| 363 | 0.1% | 99.8% | |
| 364 | 0.2% | 99.7% | |
| 365 | 0.3% | 99.5% | |
| 366 | 0.2% | 99.3% | |
| 367 | 0.2% | 99.1% | |
| 368 | 0.2% | 98.9% | |
| 369 | 0.4% | 98.7% | |
| 370 | 0.4% | 98% | |
| 371 | 0.8% | 98% | |
| 372 | 0.9% | 97% | |
| 373 | 1.1% | 96% | |
| 374 | 1.0% | 95% | |
| 375 | 0.9% | 94% | |
| 376 | 0.8% | 93% | |
| 377 | 2% | 92% | |
| 378 | 0.9% | 91% | |
| 379 | 2% | 90% | |
| 380 | 1.2% | 87% | |
| 381 | 1.2% | 86% | |
| 382 | 2% | 85% | |
| 383 | 2% | 83% | |
| 384 | 1.4% | 81% | |
| 385 | 2% | 80% | |
| 386 | 1.5% | 78% | |
| 387 | 2% | 76% | |
| 388 | 3% | 75% | |
| 389 | 1.4% | 72% | |
| 390 | 3% | 71% | |
| 391 | 2% | 67% | |
| 392 | 3% | 65% | |
| 393 | 2% | 62% | |
| 394 | 3% | 60% | |
| 395 | 2% | 58% | |
| 396 | 4% | 56% | |
| 397 | 3% | 51% | |
| 398 | 3% | 49% | Median | 
| 399 | 2% | 46% | |
| 400 | 2% | 43% | |
| 401 | 1.4% | 42% | |
| 402 | 3% | 40% | |
| 403 | 2% | 37% | |
| 404 | 2% | 35% | |
| 405 | 1.1% | 33% | |
| 406 | 2% | 32% | |
| 407 | 3% | 31% | |
| 408 | 3% | 28% | |
| 409 | 2% | 25% | |
| 410 | 2% | 23% | |
| 411 | 2% | 21% | |
| 412 | 1.0% | 19% | |
| 413 | 2% | 18% | |
| 414 | 3% | 16% | |
| 415 | 1.3% | 13% | |
| 416 | 3% | 12% | |
| 417 | 1.3% | 9% | |
| 418 | 1.0% | 7% | |
| 419 | 0.5% | 7% | |
| 420 | 1.0% | 6% | |
| 421 | 0.9% | 5% | |
| 422 | 0.6% | 4% | |
| 423 | 0.4% | 4% | |
| 424 | 0.6% | 3% | |
| 425 | 0.3% | 3% | |
| 426 | 0.2% | 2% | |
| 427 | 0.4% | 2% | |
| 428 | 0.1% | 2% | |
| 429 | 0.2% | 2% | |
| 430 | 0.1% | 1.3% | |
| 431 | 0.1% | 1.2% | |
| 432 | 0.3% | 1.1% | |
| 433 | 0.1% | 0.8% | |
| 434 | 0.1% | 0.7% | |
| 435 | 0.1% | 0.6% | |
| 436 | 0.1% | 0.6% | |
| 437 | 0.1% | 0.5% | |
| 438 | 0.1% | 0.4% | |
| 439 | 0% | 0.3% | |
| 440 | 0.1% | 0.2% | |
| 441 | 0% | 0.1% | |
| 442 | 0% | 0.1% | |
| 443 | 0% | 0.1% | |
| 444 | 0% | 0.1% | |
| 445 | 0% | 0.1% | |
| 446 | 0% | 0% | 
Labour Party – Liberal Democrats – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 217 | 0% | 100% | Last Result | 
| 218 | 0% | 100% | |
| 219 | 0% | 100% | |
| 220 | 0% | 100% | |
| 221 | 0% | 100% | |
| 222 | 0% | 100% | |
| 223 | 0% | 100% | |
| 224 | 0% | 100% | |
| 225 | 0% | 100% | |
| 226 | 0% | 100% | |
| 227 | 0% | 100% | |
| 228 | 0% | 100% | |
| 229 | 0% | 100% | |
| 230 | 0% | 100% | |
| 231 | 0% | 100% | |
| 232 | 0% | 100% | |
| 233 | 0% | 100% | |
| 234 | 0% | 100% | |
| 235 | 0% | 100% | |
| 236 | 0% | 100% | |
| 237 | 0% | 100% | |
| 238 | 0% | 100% | |
| 239 | 0% | 100% | |
| 240 | 0% | 100% | |
| 241 | 0% | 100% | |
| 242 | 0% | 100% | |
| 243 | 0% | 100% | |
| 244 | 0% | 100% | |
| 245 | 0% | 100% | |
| 246 | 0% | 100% | |
| 247 | 0% | 100% | |
| 248 | 0% | 100% | |
| 249 | 0% | 100% | |
| 250 | 0% | 100% | |
| 251 | 0% | 100% | |
| 252 | 0% | 100% | |
| 253 | 0% | 100% | |
| 254 | 0% | 100% | |
| 255 | 0% | 100% | |
| 256 | 0% | 100% | |
| 257 | 0% | 100% | |
| 258 | 0% | 100% | |
| 259 | 0% | 100% | |
| 260 | 0% | 100% | |
| 261 | 0% | 100% | |
| 262 | 0% | 100% | |
| 263 | 0% | 100% | |
| 264 | 0% | 100% | |
| 265 | 0% | 100% | |
| 266 | 0% | 100% | |
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 100% | |
| 321 | 0% | 100% | |
| 322 | 0% | 100% | |
| 323 | 0% | 100% | |
| 324 | 0% | 100% | |
| 325 | 0% | 100% | |
| 326 | 0% | 100% | Majority | 
| 327 | 0% | 100% | |
| 328 | 0% | 100% | |
| 329 | 0% | 100% | |
| 330 | 0% | 100% | |
| 331 | 0% | 100% | |
| 332 | 0% | 99.9% | |
| 333 | 0% | 99.9% | |
| 334 | 0.1% | 99.9% | |
| 335 | 0.1% | 99.8% | |
| 336 | 0.1% | 99.8% | |
| 337 | 0.1% | 99.7% | |
| 338 | 0.1% | 99.7% | |
| 339 | 0.2% | 99.6% | |
| 340 | 0.2% | 99.4% | |
| 341 | 0.2% | 99.2% | |
| 342 | 0.3% | 99.0% | |
| 343 | 0.3% | 98.7% | |
| 344 | 0.2% | 98% | |
| 345 | 0.5% | 98% | |
| 346 | 0.3% | 98% | |
| 347 | 0.6% | 97% | |
| 348 | 0.5% | 97% | |
| 349 | 0.6% | 96% | |
| 350 | 0.8% | 96% | |
| 351 | 1.2% | 95% | |
| 352 | 0.8% | 94% | |
| 353 | 1.0% | 93% | |
| 354 | 0.8% | 92% | |
| 355 | 1.4% | 91% | |
| 356 | 1.2% | 90% | |
| 357 | 1.0% | 88% | |
| 358 | 2% | 87% | |
| 359 | 0.9% | 86% | |
| 360 | 1.1% | 85% | |
| 361 | 1.3% | 84% | |
| 362 | 2% | 83% | |
| 363 | 1.4% | 80% | |
| 364 | 2% | 79% | |
| 365 | 2% | 77% | |
| 366 | 2% | 75% | |
| 367 | 2% | 74% | |
| 368 | 2% | 72% | |
| 369 | 2% | 70% | |
| 370 | 3% | 67% | |
| 371 | 2% | 65% | |
| 372 | 2% | 62% | |
| 373 | 3% | 61% | |
| 374 | 2% | 58% | |
| 375 | 1.3% | 56% | |
| 376 | 1.0% | 55% | |
| 377 | 2% | 54% | Median | 
| 378 | 3% | 52% | |
| 379 | 2% | 49% | |
| 380 | 3% | 47% | |
| 381 | 0.8% | 44% | |
| 382 | 3% | 43% | |
| 383 | 1.4% | 41% | |
| 384 | 2% | 39% | |
| 385 | 2% | 38% | |
| 386 | 2% | 36% | |
| 387 | 2% | 33% | |
| 388 | 2% | 31% | |
| 389 | 1.3% | 29% | |
| 390 | 1.2% | 28% | |
| 391 | 0.7% | 27% | |
| 392 | 2% | 26% | |
| 393 | 2% | 24% | |
| 394 | 2% | 22% | |
| 395 | 2% | 20% | |
| 396 | 0.5% | 17% | |
| 397 | 1.2% | 17% | |
| 398 | 0.9% | 16% | |
| 399 | 2% | 15% | |
| 400 | 0.5% | 13% | |
| 401 | 1.0% | 13% | |
| 402 | 2% | 12% | |
| 403 | 1.5% | 10% | |
| 404 | 1.2% | 9% | |
| 405 | 0.5% | 7% | |
| 406 | 0.8% | 7% | |
| 407 | 1.0% | 6% | |
| 408 | 0.4% | 5% | |
| 409 | 0.3% | 5% | |
| 410 | 0.3% | 5% | |
| 411 | 0.4% | 4% | |
| 412 | 0.2% | 4% | |
| 413 | 0.8% | 4% | |
| 414 | 0.2% | 3% | |
| 415 | 0.3% | 3% | |
| 416 | 0.4% | 2% | |
| 417 | 0.2% | 2% | |
| 418 | 0.3% | 2% | |
| 419 | 0.2% | 1.4% | |
| 420 | 0.1% | 1.2% | |
| 421 | 0.1% | 1.1% | |
| 422 | 0.1% | 1.0% | |
| 423 | 0.2% | 0.9% | |
| 424 | 0.1% | 0.7% | |
| 425 | 0.1% | 0.6% | |
| 426 | 0.1% | 0.6% | |
| 427 | 0% | 0.5% | |
| 428 | 0% | 0.4% | |
| 429 | 0% | 0.4% | |
| 430 | 0.1% | 0.4% | |
| 431 | 0.1% | 0.3% | |
| 432 | 0% | 0.2% | |
| 433 | 0% | 0.2% | |
| 434 | 0% | 0.2% | |
| 435 | 0% | 0.2% | |
| 436 | 0% | 0.1% | |
| 437 | 0% | 0.1% | |
| 438 | 0% | 0.1% | |
| 439 | 0% | 0.1% | |
| 440 | 0% | 0.1% | |
| 441 | 0% | 0% | 
Labour Party – Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 213 | 0% | 100% | Last Result | 
| 214 | 0% | 100% | |
| 215 | 0% | 100% | |
| 216 | 0% | 100% | |
| 217 | 0% | 100% | |
| 218 | 0% | 100% | |
| 219 | 0% | 100% | |
| 220 | 0% | 100% | |
| 221 | 0% | 100% | |
| 222 | 0% | 100% | |
| 223 | 0% | 100% | |
| 224 | 0% | 100% | |
| 225 | 0% | 100% | |
| 226 | 0% | 100% | |
| 227 | 0% | 100% | |
| 228 | 0% | 100% | |
| 229 | 0% | 100% | |
| 230 | 0% | 100% | |
| 231 | 0% | 100% | |
| 232 | 0% | 100% | |
| 233 | 0% | 100% | |
| 234 | 0% | 100% | |
| 235 | 0% | 100% | |
| 236 | 0% | 100% | |
| 237 | 0% | 100% | |
| 238 | 0% | 100% | |
| 239 | 0% | 100% | |
| 240 | 0% | 100% | |
| 241 | 0% | 100% | |
| 242 | 0% | 100% | |
| 243 | 0% | 100% | |
| 244 | 0% | 100% | |
| 245 | 0% | 100% | |
| 246 | 0% | 100% | |
| 247 | 0% | 100% | |
| 248 | 0% | 100% | |
| 249 | 0% | 100% | |
| 250 | 0% | 100% | |
| 251 | 0% | 100% | |
| 252 | 0% | 100% | |
| 253 | 0% | 100% | |
| 254 | 0% | 100% | |
| 255 | 0% | 100% | |
| 256 | 0% | 100% | |
| 257 | 0% | 100% | |
| 258 | 0% | 100% | |
| 259 | 0% | 100% | |
| 260 | 0% | 100% | |
| 261 | 0% | 100% | |
| 262 | 0% | 100% | |
| 263 | 0% | 100% | |
| 264 | 0% | 100% | |
| 265 | 0% | 100% | |
| 266 | 0% | 100% | |
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 100% | |
| 321 | 0% | 100% | |
| 322 | 0% | 100% | |
| 323 | 0% | 100% | |
| 324 | 0% | 100% | |
| 325 | 0% | 100% | |
| 326 | 0% | 100% | Majority | 
| 327 | 0% | 99.9% | |
| 328 | 0% | 99.9% | |
| 329 | 0% | 99.9% | |
| 330 | 0.1% | 99.8% | |
| 331 | 0.1% | 99.8% | |
| 332 | 0.1% | 99.7% | |
| 333 | 0.1% | 99.7% | |
| 334 | 0.2% | 99.5% | |
| 335 | 0.2% | 99.4% | |
| 336 | 0.2% | 99.2% | |
| 337 | 0.3% | 99.0% | |
| 338 | 0.3% | 98.7% | |
| 339 | 0.3% | 98% | |
| 340 | 0.5% | 98% | |
| 341 | 0.3% | 98% | |
| 342 | 0.6% | 97% | |
| 343 | 0.5% | 97% | |
| 344 | 0.6% | 96% | |
| 345 | 0.8% | 96% | |
| 346 | 1.3% | 95% | |
| 347 | 0.8% | 94% | |
| 348 | 1.1% | 93% | |
| 349 | 0.7% | 92% | |
| 350 | 1.4% | 91% | |
| 351 | 1.2% | 90% | |
| 352 | 1.1% | 88% | |
| 353 | 2% | 87% | |
| 354 | 0.6% | 86% | |
| 355 | 1.2% | 85% | |
| 356 | 1.1% | 84% | |
| 357 | 2% | 83% | |
| 358 | 1.4% | 80% | |
| 359 | 2% | 79% | |
| 360 | 2% | 77% | |
| 361 | 1.5% | 75% | |
| 362 | 2% | 74% | |
| 363 | 2% | 72% | |
| 364 | 2% | 70% | |
| 365 | 3% | 67% | |
| 366 | 2% | 65% | |
| 367 | 2% | 62% | |
| 368 | 3% | 61% | |
| 369 | 2% | 58% | |
| 370 | 1.2% | 56% | |
| 371 | 1.0% | 55% | |
| 372 | 2% | 54% | Median | 
| 373 | 3% | 52% | |
| 374 | 1.5% | 49% | |
| 375 | 3% | 47% | |
| 376 | 1.1% | 44% | |
| 377 | 2% | 43% | |
| 378 | 1.5% | 41% | |
| 379 | 2% | 39% | |
| 380 | 2% | 38% | |
| 381 | 3% | 36% | |
| 382 | 2% | 33% | |
| 383 | 2% | 31% | |
| 384 | 1.2% | 29% | |
| 385 | 1.2% | 28% | |
| 386 | 0.8% | 27% | |
| 387 | 2% | 26% | |
| 388 | 2% | 24% | |
| 389 | 2% | 22% | |
| 390 | 3% | 20% | |
| 391 | 0.8% | 17% | |
| 392 | 0.9% | 17% | |
| 393 | 1.0% | 16% | |
| 394 | 1.5% | 15% | |
| 395 | 0.5% | 13% | |
| 396 | 1.0% | 13% | |
| 397 | 2% | 12% | |
| 398 | 1.5% | 10% | |
| 399 | 1.2% | 9% | |
| 400 | 0.4% | 7% | |
| 401 | 0.8% | 7% | |
| 402 | 0.9% | 6% | |
| 403 | 0.4% | 5% | |
| 404 | 0.4% | 5% | |
| 405 | 0.4% | 5% | |
| 406 | 0.3% | 4% | |
| 407 | 0.3% | 4% | |
| 408 | 0.8% | 4% | |
| 409 | 0.2% | 3% | |
| 410 | 0.3% | 3% | |
| 411 | 0.4% | 2% | |
| 412 | 0.2% | 2% | |
| 413 | 0.2% | 2% | |
| 414 | 0.3% | 1.5% | |
| 415 | 0.1% | 1.2% | |
| 416 | 0.1% | 1.1% | |
| 417 | 0.1% | 1.0% | |
| 418 | 0.2% | 0.9% | |
| 419 | 0.1% | 0.7% | |
| 420 | 0.1% | 0.6% | |
| 421 | 0.1% | 0.6% | |
| 422 | 0% | 0.5% | |
| 423 | 0% | 0.4% | |
| 424 | 0% | 0.4% | |
| 425 | 0.1% | 0.4% | |
| 426 | 0% | 0.3% | |
| 427 | 0.1% | 0.3% | |
| 428 | 0% | 0.2% | |
| 429 | 0% | 0.2% | |
| 430 | 0% | 0.2% | |
| 431 | 0% | 0.1% | |
| 432 | 0% | 0.1% | |
| 433 | 0% | 0.1% | |
| 434 | 0% | 0.1% | |
| 435 | 0% | 0.1% | |
| 436 | 0% | 0% | 
Labour Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 206 | 0% | 100% | Last Result | 
| 207 | 0% | 100% | |
| 208 | 0% | 100% | |
| 209 | 0% | 100% | |
| 210 | 0% | 100% | |
| 211 | 0% | 100% | |
| 212 | 0% | 100% | |
| 213 | 0% | 100% | |
| 214 | 0% | 100% | |
| 215 | 0% | 100% | |
| 216 | 0% | 100% | |
| 217 | 0% | 100% | |
| 218 | 0% | 100% | |
| 219 | 0% | 100% | |
| 220 | 0% | 100% | |
| 221 | 0% | 100% | |
| 222 | 0% | 100% | |
| 223 | 0% | 100% | |
| 224 | 0% | 100% | |
| 225 | 0% | 100% | |
| 226 | 0% | 100% | |
| 227 | 0% | 100% | |
| 228 | 0% | 100% | |
| 229 | 0% | 100% | |
| 230 | 0% | 100% | |
| 231 | 0% | 100% | |
| 232 | 0% | 100% | |
| 233 | 0% | 100% | |
| 234 | 0% | 100% | |
| 235 | 0% | 100% | |
| 236 | 0% | 100% | |
| 237 | 0% | 100% | |
| 238 | 0% | 100% | |
| 239 | 0% | 100% | |
| 240 | 0% | 100% | |
| 241 | 0% | 100% | |
| 242 | 0% | 100% | |
| 243 | 0% | 100% | |
| 244 | 0% | 100% | |
| 245 | 0% | 100% | |
| 246 | 0% | 100% | |
| 247 | 0% | 100% | |
| 248 | 0% | 100% | |
| 249 | 0% | 100% | |
| 250 | 0% | 100% | |
| 251 | 0% | 100% | |
| 252 | 0% | 100% | |
| 253 | 0% | 100% | |
| 254 | 0% | 100% | |
| 255 | 0% | 100% | |
| 256 | 0% | 100% | |
| 257 | 0% | 100% | |
| 258 | 0% | 100% | |
| 259 | 0% | 100% | |
| 260 | 0% | 100% | |
| 261 | 0% | 100% | |
| 262 | 0% | 100% | |
| 263 | 0% | 100% | |
| 264 | 0% | 100% | |
| 265 | 0% | 100% | |
| 266 | 0% | 100% | |
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 100% | |
| 321 | 0% | 100% | |
| 322 | 0% | 100% | |
| 323 | 0% | 100% | |
| 324 | 0% | 100% | |
| 325 | 0% | 99.9% | |
| 326 | 0% | 99.9% | Majority | 
| 327 | 0% | 99.9% | |
| 328 | 0.1% | 99.8% | |
| 329 | 0% | 99.7% | |
| 330 | 0.1% | 99.7% | |
| 331 | 0.1% | 99.5% | |
| 332 | 0.2% | 99.4% | |
| 333 | 0.2% | 99.2% | |
| 334 | 0.3% | 99.0% | |
| 335 | 0.6% | 98.7% | |
| 336 | 0.3% | 98% | |
| 337 | 0.6% | 98% | |
| 338 | 0.3% | 97% | |
| 339 | 0.7% | 97% | |
| 340 | 0.6% | 96% | |
| 341 | 0.7% | 96% | |
| 342 | 0.8% | 95% | |
| 343 | 2% | 94% | |
| 344 | 2% | 92% | |
| 345 | 0.6% | 91% | |
| 346 | 2% | 90% | |
| 347 | 1.5% | 89% | |
| 348 | 1.3% | 87% | |
| 349 | 2% | 86% | |
| 350 | 2% | 84% | |
| 351 | 2% | 82% | |
| 352 | 1.3% | 80% | |
| 353 | 2% | 79% | |
| 354 | 1.2% | 76% | |
| 355 | 3% | 75% | |
| 356 | 1.5% | 72% | |
| 357 | 0.6% | 71% | |
| 358 | 4% | 70% | |
| 359 | 2% | 66% | |
| 360 | 3% | 64% | |
| 361 | 2% | 61% | |
| 362 | 3% | 59% | |
| 363 | 0.5% | 56% | |
| 364 | 4% | 55% | |
| 365 | 3% | 51% | Median | 
| 366 | 1.3% | 48% | |
| 367 | 2% | 47% | |
| 368 | 3% | 45% | |
| 369 | 2% | 42% | |
| 370 | 2% | 41% | |
| 371 | 3% | 39% | |
| 372 | 1.4% | 35% | |
| 373 | 2% | 34% | |
| 374 | 2% | 32% | |
| 375 | 1.3% | 30% | |
| 376 | 2% | 29% | |
| 377 | 2% | 27% | |
| 378 | 3% | 25% | |
| 379 | 1.1% | 23% | |
| 380 | 2% | 21% | |
| 381 | 2% | 20% | |
| 382 | 3% | 18% | |
| 383 | 3% | 15% | |
| 384 | 0.9% | 13% | |
| 385 | 2% | 12% | |
| 386 | 0.5% | 10% | |
| 387 | 2% | 10% | |
| 388 | 0.7% | 8% | |
| 389 | 0.7% | 7% | |
| 390 | 0.5% | 6% | |
| 391 | 0.8% | 6% | |
| 392 | 0.3% | 5% | |
| 393 | 0.8% | 5% | |
| 394 | 0.4% | 4% | |
| 395 | 0.3% | 3% | |
| 396 | 0.3% | 3% | |
| 397 | 0.3% | 3% | |
| 398 | 0.4% | 2% | |
| 399 | 0.2% | 2% | |
| 400 | 0.5% | 2% | |
| 401 | 0.1% | 1.4% | |
| 402 | 0.1% | 1.3% | |
| 403 | 0.1% | 1.1% | |
| 404 | 0.3% | 1.0% | |
| 405 | 0.1% | 0.8% | |
| 406 | 0.1% | 0.7% | |
| 407 | 0% | 0.6% | |
| 408 | 0.1% | 0.5% | |
| 409 | 0% | 0.4% | |
| 410 | 0% | 0.4% | |
| 411 | 0.1% | 0.3% | |
| 412 | 0% | 0.3% | |
| 413 | 0.1% | 0.2% | |
| 414 | 0% | 0.2% | |
| 415 | 0% | 0.2% | |
| 416 | 0% | 0.1% | |
| 417 | 0% | 0.1% | |
| 418 | 0% | 0.1% | |
| 419 | 0% | 0.1% | |
| 420 | 0% | 0% | 
Labour Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 202 | 0% | 100% | Last Result | 
| 203 | 0% | 100% | |
| 204 | 0% | 100% | |
| 205 | 0% | 100% | |
| 206 | 0% | 100% | |
| 207 | 0% | 100% | |
| 208 | 0% | 100% | |
| 209 | 0% | 100% | |
| 210 | 0% | 100% | |
| 211 | 0% | 100% | |
| 212 | 0% | 100% | |
| 213 | 0% | 100% | |
| 214 | 0% | 100% | |
| 215 | 0% | 100% | |
| 216 | 0% | 100% | |
| 217 | 0% | 100% | |
| 218 | 0% | 100% | |
| 219 | 0% | 100% | |
| 220 | 0% | 100% | |
| 221 | 0% | 100% | |
| 222 | 0% | 100% | |
| 223 | 0% | 100% | |
| 224 | 0% | 100% | |
| 225 | 0% | 100% | |
| 226 | 0% | 100% | |
| 227 | 0% | 100% | |
| 228 | 0% | 100% | |
| 229 | 0% | 100% | |
| 230 | 0% | 100% | |
| 231 | 0% | 100% | |
| 232 | 0% | 100% | |
| 233 | 0% | 100% | |
| 234 | 0% | 100% | |
| 235 | 0% | 100% | |
| 236 | 0% | 100% | |
| 237 | 0% | 100% | |
| 238 | 0% | 100% | |
| 239 | 0% | 100% | |
| 240 | 0% | 100% | |
| 241 | 0% | 100% | |
| 242 | 0% | 100% | |
| 243 | 0% | 100% | |
| 244 | 0% | 100% | |
| 245 | 0% | 100% | |
| 246 | 0% | 100% | |
| 247 | 0% | 100% | |
| 248 | 0% | 100% | |
| 249 | 0% | 100% | |
| 250 | 0% | 100% | |
| 251 | 0% | 100% | |
| 252 | 0% | 100% | |
| 253 | 0% | 100% | |
| 254 | 0% | 100% | |
| 255 | 0% | 100% | |
| 256 | 0% | 100% | |
| 257 | 0% | 100% | |
| 258 | 0% | 100% | |
| 259 | 0% | 100% | |
| 260 | 0% | 100% | |
| 261 | 0% | 100% | |
| 262 | 0% | 100% | |
| 263 | 0% | 100% | |
| 264 | 0% | 100% | |
| 265 | 0% | 100% | |
| 266 | 0% | 100% | |
| 267 | 0% | 100% | |
| 268 | 0% | 100% | |
| 269 | 0% | 100% | |
| 270 | 0% | 100% | |
| 271 | 0% | 100% | |
| 272 | 0% | 100% | |
| 273 | 0% | 100% | |
| 274 | 0% | 100% | |
| 275 | 0% | 100% | |
| 276 | 0% | 100% | |
| 277 | 0% | 100% | |
| 278 | 0% | 100% | |
| 279 | 0% | 100% | |
| 280 | 0% | 100% | |
| 281 | 0% | 100% | |
| 282 | 0% | 100% | |
| 283 | 0% | 100% | |
| 284 | 0% | 100% | |
| 285 | 0% | 100% | |
| 286 | 0% | 100% | |
| 287 | 0% | 100% | |
| 288 | 0% | 100% | |
| 289 | 0% | 100% | |
| 290 | 0% | 100% | |
| 291 | 0% | 100% | |
| 292 | 0% | 100% | |
| 293 | 0% | 100% | |
| 294 | 0% | 100% | |
| 295 | 0% | 100% | |
| 296 | 0% | 100% | |
| 297 | 0% | 100% | |
| 298 | 0% | 100% | |
| 299 | 0% | 100% | |
| 300 | 0% | 100% | |
| 301 | 0% | 100% | |
| 302 | 0% | 100% | |
| 303 | 0% | 100% | |
| 304 | 0% | 100% | |
| 305 | 0% | 100% | |
| 306 | 0% | 100% | |
| 307 | 0% | 100% | |
| 308 | 0% | 100% | |
| 309 | 0% | 100% | |
| 310 | 0% | 100% | |
| 311 | 0% | 100% | |
| 312 | 0% | 100% | |
| 313 | 0% | 100% | |
| 314 | 0% | 100% | |
| 315 | 0% | 100% | |
| 316 | 0% | 100% | |
| 317 | 0% | 100% | |
| 318 | 0% | 100% | |
| 319 | 0% | 100% | |
| 320 | 0% | 99.9% | |
| 321 | 0% | 99.9% | |
| 322 | 0% | 99.9% | |
| 323 | 0.1% | 99.8% | |
| 324 | 0% | 99.7% | |
| 325 | 0.1% | 99.7% | |
| 326 | 0.1% | 99.5% | Majority | 
| 327 | 0.2% | 99.4% | |
| 328 | 0.2% | 99.2% | |
| 329 | 0.3% | 99.0% | |
| 330 | 0.6% | 98.7% | |
| 331 | 0.3% | 98% | |
| 332 | 0.6% | 98% | |
| 333 | 0.4% | 97% | |
| 334 | 0.7% | 97% | |
| 335 | 0.6% | 96% | |
| 336 | 0.8% | 96% | |
| 337 | 0.9% | 95% | |
| 338 | 2% | 94% | |
| 339 | 2% | 92% | |
| 340 | 0.7% | 91% | |
| 341 | 2% | 90% | |
| 342 | 1.4% | 88% | |
| 343 | 1.3% | 87% | |
| 344 | 2% | 86% | |
| 345 | 1.5% | 83% | |
| 346 | 2% | 82% | |
| 347 | 2% | 80% | |
| 348 | 2% | 78% | |
| 349 | 1.2% | 76% | |
| 350 | 2% | 75% | |
| 351 | 1.5% | 73% | |
| 352 | 0.9% | 71% | |
| 353 | 4% | 70% | |
| 354 | 2% | 66% | |
| 355 | 3% | 64% | |
| 356 | 3% | 61% | |
| 357 | 3% | 59% | |
| 358 | 0.9% | 56% | |
| 359 | 4% | 55% | |
| 360 | 3% | 51% | Median | 
| 361 | 1.3% | 48% | |
| 362 | 2% | 47% | |
| 363 | 2% | 44% | |
| 364 | 2% | 42% | |
| 365 | 2% | 41% | |
| 366 | 3% | 39% | |
| 367 | 2% | 36% | |
| 368 | 2% | 34% | |
| 369 | 1.4% | 32% | |
| 370 | 1.2% | 31% | |
| 371 | 2% | 29% | |
| 372 | 2% | 27% | |
| 373 | 2% | 25% | |
| 374 | 1.4% | 23% | |
| 375 | 1.5% | 21% | |
| 376 | 2% | 20% | |
| 377 | 3% | 18% | |
| 378 | 2% | 15% | |
| 379 | 1.1% | 13% | |
| 380 | 2% | 12% | |
| 381 | 0.5% | 10% | |
| 382 | 2% | 10% | |
| 383 | 0.7% | 8% | |
| 384 | 0.8% | 7% | |
| 385 | 0.4% | 6% | |
| 386 | 0.7% | 6% | |
| 387 | 0.4% | 5% | |
| 388 | 0.8% | 5% | |
| 389 | 0.6% | 4% | |
| 390 | 0.3% | 3% | |
| 391 | 0.3% | 3% | |
| 392 | 0.4% | 3% | |
| 393 | 0.4% | 2% | |
| 394 | 0.2% | 2% | |
| 395 | 0.5% | 2% | |
| 396 | 0.1% | 1.4% | |
| 397 | 0.1% | 1.3% | |
| 398 | 0.1% | 1.1% | |
| 399 | 0.3% | 1.0% | |
| 400 | 0.1% | 0.8% | |
| 401 | 0.1% | 0.7% | |
| 402 | 0% | 0.6% | |
| 403 | 0.1% | 0.5% | |
| 404 | 0% | 0.4% | |
| 405 | 0% | 0.4% | |
| 406 | 0% | 0.3% | |
| 407 | 0.1% | 0.3% | |
| 408 | 0% | 0.2% | |
| 409 | 0% | 0.2% | |
| 410 | 0% | 0.2% | |
| 411 | 0% | 0.1% | |
| 412 | 0% | 0.1% | |
| 413 | 0% | 0.1% | |
| 414 | 0% | 0.1% | |
| 415 | 0% | 0% | 
Conservative Party – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 194 | 0% | 100% | |
| 195 | 0% | 99.9% | |
| 196 | 0% | 99.9% | |
| 197 | 0% | 99.9% | |
| 198 | 0% | 99.9% | |
| 199 | 0% | 99.9% | |
| 200 | 0% | 99.8% | |
| 201 | 0% | 99.8% | |
| 202 | 0.1% | 99.8% | |
| 203 | 0% | 99.7% | |
| 204 | 0.1% | 99.7% | |
| 205 | 0% | 99.6% | |
| 206 | 0% | 99.6% | |
| 207 | 0% | 99.6% | |
| 208 | 0.1% | 99.5% | |
| 209 | 0.1% | 99.4% | |
| 210 | 0.1% | 99.4% | |
| 211 | 0.2% | 99.3% | |
| 212 | 0.1% | 99.1% | |
| 213 | 0.1% | 99.0% | |
| 214 | 0.1% | 98.9% | |
| 215 | 0.3% | 98.7% | |
| 216 | 0.2% | 98% | |
| 217 | 0.3% | 98% | |
| 218 | 0.3% | 98% | |
| 219 | 0.3% | 98% | |
| 220 | 0.2% | 97% | |
| 221 | 0.8% | 97% | |
| 222 | 0.3% | 96% | |
| 223 | 0.3% | 96% | |
| 224 | 0.4% | 96% | |
| 225 | 0.4% | 95% | |
| 226 | 0.3% | 95% | |
| 227 | 0.9% | 95% | |
| 228 | 1.0% | 94% | |
| 229 | 0.4% | 93% | |
| 230 | 1.3% | 92% | |
| 231 | 1.4% | 91% | |
| 232 | 1.5% | 90% | |
| 233 | 1.0% | 88% | |
| 234 | 0.5% | 87% | |
| 235 | 1.5% | 87% | |
| 236 | 1.0% | 85% | |
| 237 | 0.7% | 84% | |
| 238 | 1.0% | 83% | |
| 239 | 3% | 82% | |
| 240 | 2% | 80% | |
| 241 | 2% | 78% | |
| 242 | 2% | 76% | |
| 243 | 0.9% | 73% | |
| 244 | 1.1% | 73% | |
| 245 | 1.4% | 71% | |
| 246 | 2% | 70% | |
| 247 | 2% | 68% | |
| 248 | 2% | 66% | |
| 249 | 2% | 63% | |
| 250 | 1.4% | 62% | |
| 251 | 2% | 60% | |
| 252 | 2% | 59% | |
| 253 | 1.1% | 56% | |
| 254 | 3% | 55% | |
| 255 | 2% | 52% | |
| 256 | 3% | 50% | |
| 257 | 2% | 47% | |
| 258 | 0.7% | 45% | Median | 
| 259 | 1.0% | 44% | |
| 260 | 2% | 43% | |
| 261 | 3% | 42% | |
| 262 | 2% | 39% | |
| 263 | 2% | 37% | |
| 264 | 2% | 34% | |
| 265 | 3% | 32% | |
| 266 | 2% | 30% | |
| 267 | 2% | 27% | |
| 268 | 1.5% | 25% | |
| 269 | 2% | 24% | |
| 270 | 2% | 22% | |
| 271 | 2% | 20% | |
| 272 | 2% | 19% | |
| 273 | 1.1% | 17% | |
| 274 | 1.3% | 16% | |
| 275 | 1.1% | 14% | |
| 276 | 1.4% | 13% | |
| 277 | 0.7% | 12% | |
| 278 | 1.3% | 11% | |
| 279 | 2% | 10% | |
| 280 | 0.4% | 8% | |
| 281 | 1.3% | 8% | |
| 282 | 0.8% | 7% | |
| 283 | 1.0% | 6% | |
| 284 | 0.7% | 5% | |
| 285 | 0.7% | 4% | |
| 286 | 0.3% | 3% | |
| 287 | 0.5% | 3% | |
| 288 | 0.4% | 2% | |
| 289 | 0.4% | 2% | |
| 290 | 0.2% | 2% | |
| 291 | 0.3% | 1.4% | |
| 292 | 0.2% | 1.1% | |
| 293 | 0.2% | 0.9% | |
| 294 | 0.1% | 0.7% | |
| 295 | 0.1% | 0.5% | |
| 296 | 0.1% | 0.4% | |
| 297 | 0.1% | 0.3% | |
| 298 | 0.1% | 0.2% | |
| 299 | 0% | 0.2% | |
| 300 | 0% | 0.1% | |
| 301 | 0% | 0.1% | |
| 302 | 0% | 0.1% | |
| 303 | 0% | 0% | |
| 304 | 0% | 0% | |
| 305 | 0% | 0% | |
| 306 | 0% | 0% | |
| 307 | 0% | 0% | |
| 308 | 0% | 0% | |
| 309 | 0% | 0% | |
| 310 | 0% | 0% | |
| 311 | 0% | 0% | |
| 312 | 0% | 0% | |
| 313 | 0% | 0% | |
| 314 | 0% | 0% | |
| 315 | 0% | 0% | |
| 316 | 0% | 0% | |
| 317 | 0% | 0% | |
| 318 | 0% | 0% | |
| 319 | 0% | 0% | |
| 320 | 0% | 0% | |
| 321 | 0% | 0% | |
| 322 | 0% | 0% | |
| 323 | 0% | 0% | |
| 324 | 0% | 0% | |
| 325 | 0% | 0% | |
| 326 | 0% | 0% | Majority | 
| 327 | 0% | 0% | |
| 328 | 0% | 0% | |
| 329 | 0% | 0% | |
| 330 | 0% | 0% | |
| 331 | 0% | 0% | |
| 332 | 0% | 0% | |
| 333 | 0% | 0% | |
| 334 | 0% | 0% | |
| 335 | 0% | 0% | |
| 336 | 0% | 0% | |
| 337 | 0% | 0% | |
| 338 | 0% | 0% | |
| 339 | 0% | 0% | |
| 340 | 0% | 0% | |
| 341 | 0% | 0% | |
| 342 | 0% | 0% | |
| 343 | 0% | 0% | |
| 344 | 0% | 0% | |
| 345 | 0% | 0% | |
| 346 | 0% | 0% | |
| 347 | 0% | 0% | |
| 348 | 0% | 0% | |
| 349 | 0% | 0% | |
| 350 | 0% | 0% | |
| 351 | 0% | 0% | |
| 352 | 0% | 0% | |
| 353 | 0% | 0% | |
| 354 | 0% | 0% | |
| 355 | 0% | 0% | |
| 356 | 0% | 0% | |
| 357 | 0% | 0% | |
| 358 | 0% | 0% | |
| 359 | 0% | 0% | |
| 360 | 0% | 0% | |
| 361 | 0% | 0% | |
| 362 | 0% | 0% | |
| 363 | 0% | 0% | |
| 364 | 0% | 0% | |
| 365 | 0% | 0% | |
| 366 | 0% | 0% | |
| 367 | 0% | 0% | |
| 368 | 0% | 0% | |
| 369 | 0% | 0% | |
| 370 | 0% | 0% | |
| 371 | 0% | 0% | |
| 372 | 0% | 0% | |
| 373 | 0% | 0% | |
| 374 | 0% | 0% | |
| 375 | 0% | 0% | |
| 376 | 0% | 0% | |
| 377 | 0% | 0% | |
| 378 | 0% | 0% | |
| 379 | 0% | 0% | |
| 380 | 0% | 0% | |
| 381 | 0% | 0% | |
| 382 | 0% | 0% | |
| 383 | 0% | 0% | |
| 384 | 0% | 0% | |
| 385 | 0% | 0% | |
| 386 | 0% | 0% | |
| 387 | 0% | 0% | |
| 388 | 0% | 0% | |
| 389 | 0% | 0% | |
| 390 | 0% | 0% | |
| 391 | 0% | 0% | |
| 392 | 0% | 0% | |
| 393 | 0% | 0% | |
| 394 | 0% | 0% | |
| 395 | 0% | 0% | |
| 396 | 0% | 0% | |
| 397 | 0% | 0% | |
| 398 | 0% | 0% | |
| 399 | 0% | 0% | |
| 400 | 0% | 0% | |
| 401 | 0% | 0% | |
| 402 | 0% | 0% | |
| 403 | 0% | 0% | |
| 404 | 0% | 0% | |
| 405 | 0% | 0% | |
| 406 | 0% | 0% | |
| 407 | 0% | 0% | |
| 408 | 0% | 0% | |
| 409 | 0% | 0% | |
| 410 | 0% | 0% | |
| 411 | 0% | 0% | |
| 412 | 0% | 0% | |
| 413 | 0% | 0% | |
| 414 | 0% | 0% | |
| 415 | 0% | 0% | |
| 416 | 0% | 0% | |
| 417 | 0% | 0% | Last Result | 
Conservative Party – Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 189 | 0% | 100% | |
| 190 | 0% | 99.9% | |
| 191 | 0% | 99.9% | |
| 192 | 0% | 99.9% | |
| 193 | 0% | 99.9% | |
| 194 | 0% | 99.9% | |
| 195 | 0% | 99.8% | |
| 196 | 0% | 99.8% | |
| 197 | 0% | 99.8% | |
| 198 | 0.1% | 99.8% | |
| 199 | 0.1% | 99.7% | |
| 200 | 0% | 99.6% | |
| 201 | 0% | 99.6% | |
| 202 | 0% | 99.6% | |
| 203 | 0.1% | 99.5% | |
| 204 | 0.1% | 99.4% | |
| 205 | 0.1% | 99.4% | |
| 206 | 0.2% | 99.3% | |
| 207 | 0.1% | 99.1% | |
| 208 | 0.1% | 99.0% | |
| 209 | 0.2% | 98.9% | |
| 210 | 0.2% | 98.8% | |
| 211 | 0.3% | 98.5% | |
| 212 | 0.2% | 98% | |
| 213 | 0.4% | 98% | |
| 214 | 0.3% | 98% | |
| 215 | 0.2% | 97% | |
| 216 | 0.8% | 97% | |
| 217 | 0.2% | 96% | |
| 218 | 0.5% | 96% | |
| 219 | 0.4% | 96% | |
| 220 | 0.4% | 95% | |
| 221 | 0.3% | 95% | |
| 222 | 0.9% | 95% | |
| 223 | 0.9% | 94% | |
| 224 | 0.5% | 93% | |
| 225 | 1.3% | 92% | |
| 226 | 1.5% | 91% | |
| 227 | 1.5% | 90% | |
| 228 | 1.0% | 88% | |
| 229 | 0.5% | 87% | |
| 230 | 2% | 87% | |
| 231 | 1.0% | 85% | |
| 232 | 0.9% | 84% | |
| 233 | 0.7% | 83% | |
| 234 | 3% | 82% | |
| 235 | 2% | 80% | |
| 236 | 2% | 78% | |
| 237 | 2% | 76% | |
| 238 | 0.8% | 73% | |
| 239 | 1.1% | 73% | |
| 240 | 1.5% | 71% | |
| 241 | 2% | 70% | |
| 242 | 3% | 68% | |
| 243 | 2% | 65% | |
| 244 | 2% | 63% | |
| 245 | 1.4% | 62% | |
| 246 | 1.5% | 60% | |
| 247 | 2% | 59% | |
| 248 | 0.9% | 56% | |
| 249 | 3% | 55% | |
| 250 | 2% | 52% | |
| 251 | 2% | 50% | |
| 252 | 2% | 48% | |
| 253 | 0.8% | 45% | Median | 
| 254 | 1.0% | 44% | |
| 255 | 2% | 43% | |
| 256 | 3% | 42% | |
| 257 | 2% | 39% | |
| 258 | 2% | 37% | |
| 259 | 2% | 34% | |
| 260 | 2% | 32% | |
| 261 | 2% | 29% | |
| 262 | 2% | 27% | |
| 263 | 2% | 25% | |
| 264 | 2% | 24% | |
| 265 | 2% | 22% | |
| 266 | 2% | 21% | |
| 267 | 2% | 19% | |
| 268 | 1.1% | 17% | |
| 269 | 1.4% | 16% | |
| 270 | 1.0% | 14% | |
| 271 | 1.5% | 13% | |
| 272 | 0.8% | 12% | |
| 273 | 1.3% | 11% | |
| 274 | 2% | 10% | |
| 275 | 0.6% | 8% | |
| 276 | 1.2% | 8% | |
| 277 | 0.8% | 6% | |
| 278 | 1.1% | 6% | |
| 279 | 0.7% | 5% | |
| 280 | 0.7% | 4% | |
| 281 | 0.3% | 3% | |
| 282 | 0.5% | 3% | |
| 283 | 0.4% | 2% | |
| 284 | 0.4% | 2% | |
| 285 | 0.2% | 2% | |
| 286 | 0.3% | 1.3% | |
| 287 | 0.2% | 1.1% | |
| 288 | 0.2% | 0.8% | |
| 289 | 0.1% | 0.6% | |
| 290 | 0.2% | 0.5% | |
| 291 | 0.1% | 0.3% | |
| 292 | 0.1% | 0.3% | |
| 293 | 0.1% | 0.2% | |
| 294 | 0% | 0.2% | |
| 295 | 0% | 0.1% | |
| 296 | 0% | 0.1% | |
| 297 | 0% | 0.1% | |
| 298 | 0% | 0% | |
| 299 | 0% | 0% | |
| 300 | 0% | 0% | |
| 301 | 0% | 0% | |
| 302 | 0% | 0% | |
| 303 | 0% | 0% | |
| 304 | 0% | 0% | |
| 305 | 0% | 0% | |
| 306 | 0% | 0% | |
| 307 | 0% | 0% | |
| 308 | 0% | 0% | |
| 309 | 0% | 0% | |
| 310 | 0% | 0% | |
| 311 | 0% | 0% | |
| 312 | 0% | 0% | |
| 313 | 0% | 0% | |
| 314 | 0% | 0% | |
| 315 | 0% | 0% | |
| 316 | 0% | 0% | |
| 317 | 0% | 0% | |
| 318 | 0% | 0% | |
| 319 | 0% | 0% | |
| 320 | 0% | 0% | |
| 321 | 0% | 0% | |
| 322 | 0% | 0% | |
| 323 | 0% | 0% | |
| 324 | 0% | 0% | |
| 325 | 0% | 0% | |
| 326 | 0% | 0% | Majority | 
| 327 | 0% | 0% | |
| 328 | 0% | 0% | |
| 329 | 0% | 0% | |
| 330 | 0% | 0% | |
| 331 | 0% | 0% | |
| 332 | 0% | 0% | |
| 333 | 0% | 0% | |
| 334 | 0% | 0% | |
| 335 | 0% | 0% | |
| 336 | 0% | 0% | |
| 337 | 0% | 0% | |
| 338 | 0% | 0% | |
| 339 | 0% | 0% | |
| 340 | 0% | 0% | |
| 341 | 0% | 0% | |
| 342 | 0% | 0% | |
| 343 | 0% | 0% | |
| 344 | 0% | 0% | |
| 345 | 0% | 0% | |
| 346 | 0% | 0% | |
| 347 | 0% | 0% | |
| 348 | 0% | 0% | |
| 349 | 0% | 0% | |
| 350 | 0% | 0% | |
| 351 | 0% | 0% | |
| 352 | 0% | 0% | |
| 353 | 0% | 0% | |
| 354 | 0% | 0% | |
| 355 | 0% | 0% | |
| 356 | 0% | 0% | |
| 357 | 0% | 0% | |
| 358 | 0% | 0% | |
| 359 | 0% | 0% | |
| 360 | 0% | 0% | |
| 361 | 0% | 0% | |
| 362 | 0% | 0% | |
| 363 | 0% | 0% | |
| 364 | 0% | 0% | |
| 365 | 0% | 0% | |
| 366 | 0% | 0% | |
| 367 | 0% | 0% | |
| 368 | 0% | 0% | |
| 369 | 0% | 0% | |
| 370 | 0% | 0% | |
| 371 | 0% | 0% | |
| 372 | 0% | 0% | |
| 373 | 0% | 0% | |
| 374 | 0% | 0% | |
| 375 | 0% | 0% | |
| 376 | 0% | 0% | |
| 377 | 0% | 0% | |
| 378 | 0% | 0% | |
| 379 | 0% | 0% | |
| 380 | 0% | 0% | |
| 381 | 0% | 0% | |
| 382 | 0% | 0% | |
| 383 | 0% | 0% | |
| 384 | 0% | 0% | |
| 385 | 0% | 0% | |
| 386 | 0% | 0% | |
| 387 | 0% | 0% | |
| 388 | 0% | 0% | |
| 389 | 0% | 0% | |
| 390 | 0% | 0% | |
| 391 | 0% | 0% | |
| 392 | 0% | 0% | |
| 393 | 0% | 0% | |
| 394 | 0% | 0% | |
| 395 | 0% | 0% | |
| 396 | 0% | 0% | |
| 397 | 0% | 0% | |
| 398 | 0% | 0% | |
| 399 | 0% | 0% | |
| 400 | 0% | 0% | |
| 401 | 0% | 0% | |
| 402 | 0% | 0% | |
| 403 | 0% | 0% | |
| 404 | 0% | 0% | |
| 405 | 0% | 0% | |
| 406 | 0% | 0% | |
| 407 | 0% | 0% | |
| 408 | 0% | 0% | |
| 409 | 0% | 0% | |
| 410 | 0% | 0% | |
| 411 | 0% | 0% | |
| 412 | 0% | 0% | |
| 413 | 0% | 0% | Last Result | 
Conservative Party – Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 179 | 0% | 100% | |
| 180 | 0% | 99.9% | |
| 181 | 0% | 99.9% | |
| 182 | 0% | 99.9% | |
| 183 | 0% | 99.9% | |
| 184 | 0.1% | 99.8% | |
| 185 | 0% | 99.8% | |
| 186 | 0.1% | 99.7% | |
| 187 | 0.1% | 99.6% | |
| 188 | 0.1% | 99.5% | |
| 189 | 0.1% | 99.4% | |
| 190 | 0.1% | 99.3% | |
| 191 | 0.1% | 99.3% | |
| 192 | 0.3% | 99.2% | |
| 193 | 0.2% | 98.9% | |
| 194 | 0.1% | 98.8% | |
| 195 | 0.3% | 98.7% | |
| 196 | 0.1% | 98% | |
| 197 | 0.4% | 98% | |
| 198 | 0.2% | 98% | |
| 199 | 0.3% | 98% | |
| 200 | 0.6% | 97% | |
| 201 | 0.5% | 97% | |
| 202 | 0.5% | 96% | |
| 203 | 1.0% | 96% | |
| 204 | 1.0% | 95% | |
| 205 | 0.5% | 94% | |
| 206 | 0.9% | 93% | |
| 207 | 1.2% | 92% | |
| 208 | 3% | 91% | |
| 209 | 2% | 88% | |
| 210 | 3% | 86% | |
| 211 | 2% | 84% | |
| 212 | 1.2% | 82% | |
| 213 | 2% | 81% | |
| 214 | 2% | 78% | |
| 215 | 2% | 76% | |
| 216 | 2% | 74% | |
| 217 | 3% | 72% | |
| 218 | 2% | 69% | |
| 219 | 1.2% | 67% | |
| 220 | 2% | 66% | |
| 221 | 2% | 64% | |
| 222 | 3% | 62% | |
| 223 | 2% | 59% | |
| 224 | 2% | 58% | |
| 225 | 2% | 56% | |
| 226 | 3% | 54% | |
| 227 | 3% | 50% | Median | 
| 228 | 5% | 48% | |
| 229 | 2% | 43% | |
| 230 | 2% | 41% | |
| 231 | 2% | 39% | |
| 232 | 4% | 37% | |
| 233 | 2% | 33% | |
| 234 | 3% | 31% | |
| 235 | 2% | 28% | |
| 236 | 3% | 27% | |
| 237 | 2% | 24% | |
| 238 | 1.1% | 22% | |
| 239 | 2% | 21% | |
| 240 | 2% | 19% | |
| 241 | 0.9% | 17% | |
| 242 | 2% | 16% | |
| 243 | 2% | 14% | |
| 244 | 2% | 12% | |
| 245 | 2% | 11% | |
| 246 | 1.0% | 9% | |
| 247 | 2% | 8% | |
| 248 | 0.9% | 7% | |
| 249 | 0.4% | 6% | |
| 250 | 0.6% | 5% | |
| 251 | 1.2% | 5% | |
| 252 | 0.8% | 3% | |
| 253 | 0.7% | 3% | |
| 254 | 0.4% | 2% | |
| 255 | 0.3% | 2% | |
| 256 | 0.2% | 1.2% | |
| 257 | 0.3% | 1.0% | |
| 258 | 0.2% | 0.8% | |
| 259 | 0.2% | 0.6% | |
| 260 | 0.2% | 0.4% | |
| 261 | 0.1% | 0.2% | |
| 262 | 0% | 0.2% | |
| 263 | 0% | 0.2% | |
| 264 | 0% | 0.1% | |
| 265 | 0% | 0.1% | |
| 266 | 0% | 0% | |
| 267 | 0% | 0% | |
| 268 | 0% | 0% | |
| 269 | 0% | 0% | |
| 270 | 0% | 0% | |
| 271 | 0% | 0% | |
| 272 | 0% | 0% | |
| 273 | 0% | 0% | |
| 274 | 0% | 0% | |
| 275 | 0% | 0% | |
| 276 | 0% | 0% | |
| 277 | 0% | 0% | |
| 278 | 0% | 0% | |
| 279 | 0% | 0% | |
| 280 | 0% | 0% | |
| 281 | 0% | 0% | |
| 282 | 0% | 0% | |
| 283 | 0% | 0% | |
| 284 | 0% | 0% | |
| 285 | 0% | 0% | |
| 286 | 0% | 0% | |
| 287 | 0% | 0% | |
| 288 | 0% | 0% | |
| 289 | 0% | 0% | |
| 290 | 0% | 0% | |
| 291 | 0% | 0% | |
| 292 | 0% | 0% | |
| 293 | 0% | 0% | |
| 294 | 0% | 0% | |
| 295 | 0% | 0% | |
| 296 | 0% | 0% | |
| 297 | 0% | 0% | |
| 298 | 0% | 0% | |
| 299 | 0% | 0% | |
| 300 | 0% | 0% | |
| 301 | 0% | 0% | |
| 302 | 0% | 0% | |
| 303 | 0% | 0% | |
| 304 | 0% | 0% | |
| 305 | 0% | 0% | |
| 306 | 0% | 0% | |
| 307 | 0% | 0% | |
| 308 | 0% | 0% | |
| 309 | 0% | 0% | |
| 310 | 0% | 0% | |
| 311 | 0% | 0% | |
| 312 | 0% | 0% | |
| 313 | 0% | 0% | |
| 314 | 0% | 0% | |
| 315 | 0% | 0% | |
| 316 | 0% | 0% | |
| 317 | 0% | 0% | |
| 318 | 0% | 0% | |
| 319 | 0% | 0% | |
| 320 | 0% | 0% | |
| 321 | 0% | 0% | |
| 322 | 0% | 0% | |
| 323 | 0% | 0% | |
| 324 | 0% | 0% | |
| 325 | 0% | 0% | |
| 326 | 0% | 0% | Majority | 
| 327 | 0% | 0% | |
| 328 | 0% | 0% | |
| 329 | 0% | 0% | |
| 330 | 0% | 0% | |
| 331 | 0% | 0% | |
| 332 | 0% | 0% | |
| 333 | 0% | 0% | |
| 334 | 0% | 0% | |
| 335 | 0% | 0% | |
| 336 | 0% | 0% | |
| 337 | 0% | 0% | |
| 338 | 0% | 0% | |
| 339 | 0% | 0% | |
| 340 | 0% | 0% | |
| 341 | 0% | 0% | |
| 342 | 0% | 0% | |
| 343 | 0% | 0% | |
| 344 | 0% | 0% | |
| 345 | 0% | 0% | |
| 346 | 0% | 0% | |
| 347 | 0% | 0% | |
| 348 | 0% | 0% | |
| 349 | 0% | 0% | |
| 350 | 0% | 0% | |
| 351 | 0% | 0% | |
| 352 | 0% | 0% | |
| 353 | 0% | 0% | |
| 354 | 0% | 0% | |
| 355 | 0% | 0% | |
| 356 | 0% | 0% | |
| 357 | 0% | 0% | |
| 358 | 0% | 0% | |
| 359 | 0% | 0% | |
| 360 | 0% | 0% | |
| 361 | 0% | 0% | |
| 362 | 0% | 0% | |
| 363 | 0% | 0% | |
| 364 | 0% | 0% | |
| 365 | 0% | 0% | |
| 366 | 0% | 0% | |
| 367 | 0% | 0% | |
| 368 | 0% | 0% | |
| 369 | 0% | 0% | |
| 370 | 0% | 0% | |
| 371 | 0% | 0% | |
| 372 | 0% | 0% | |
| 373 | 0% | 0% | |
| 374 | 0% | 0% | |
| 375 | 0% | 0% | |
| 376 | 0% | 0% | Last Result | 
Conservative Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 165 | 0% | 100% | |
| 166 | 0% | 99.9% | |
| 167 | 0% | 99.9% | |
| 168 | 0% | 99.9% | |
| 169 | 0% | 99.9% | |
| 170 | 0% | 99.9% | |
| 171 | 0% | 99.9% | |
| 172 | 0% | 99.8% | |
| 173 | 0% | 99.8% | |
| 174 | 0.1% | 99.8% | |
| 175 | 0.1% | 99.7% | |
| 176 | 0.1% | 99.6% | |
| 177 | 0.1% | 99.5% | |
| 178 | 0.1% | 99.4% | |
| 179 | 0.1% | 99.3% | |
| 180 | 0.1% | 99.2% | |
| 181 | 0.3% | 99.1% | |
| 182 | 0.1% | 98.8% | |
| 183 | 0.2% | 98.6% | |
| 184 | 0.1% | 98% | |
| 185 | 0.3% | 98% | |
| 186 | 0.4% | 98% | |
| 187 | 0.3% | 98% | |
| 188 | 0.2% | 97% | |
| 189 | 0.3% | 97% | |
| 190 | 0.5% | 97% | |
| 191 | 0.2% | 96% | |
| 192 | 0.5% | 96% | |
| 193 | 0.4% | 96% | |
| 194 | 0.5% | 95% | |
| 195 | 0.8% | 95% | |
| 196 | 0.9% | 94% | |
| 197 | 0.8% | 93% | |
| 198 | 2% | 92% | |
| 199 | 3% | 90% | |
| 200 | 2% | 87% | |
| 201 | 3% | 85% | |
| 202 | 3% | 82% | |
| 203 | 1.4% | 79% | |
| 204 | 0.8% | 78% | |
| 205 | 1.5% | 77% | |
| 206 | 3% | 76% | |
| 207 | 2% | 73% | |
| 208 | 1.1% | 71% | |
| 209 | 2% | 70% | |
| 210 | 1.1% | 68% | |
| 211 | 1.1% | 66% | |
| 212 | 1.2% | 65% | |
| 213 | 2% | 64% | |
| 214 | 1.1% | 62% | |
| 215 | 1.1% | 61% | |
| 216 | 1.0% | 60% | |
| 217 | 2% | 59% | |
| 218 | 4% | 57% | |
| 219 | 2% | 53% | |
| 220 | 4% | 51% | Median | 
| 221 | 3% | 47% | |
| 222 | 4% | 44% | |
| 223 | 3% | 40% | |
| 224 | 2% | 38% | |
| 225 | 3% | 35% | |
| 226 | 3% | 33% | |
| 227 | 3% | 30% | |
| 228 | 2% | 27% | |
| 229 | 1.1% | 25% | |
| 230 | 2% | 24% | |
| 231 | 1.2% | 22% | |
| 232 | 1.1% | 21% | |
| 233 | 1.1% | 19% | |
| 234 | 1.1% | 18% | |
| 235 | 1.5% | 17% | |
| 236 | 0.7% | 16% | |
| 237 | 1.3% | 15% | |
| 238 | 1.0% | 14% | |
| 239 | 2% | 13% | |
| 240 | 2% | 11% | |
| 241 | 2% | 9% | |
| 242 | 1.3% | 7% | |
| 243 | 1.2% | 6% | |
| 244 | 1.2% | 5% | |
| 245 | 0.9% | 4% | |
| 246 | 0.6% | 3% | |
| 247 | 0.3% | 2% | |
| 248 | 0.2% | 2% | |
| 249 | 0.3% | 2% | |
| 250 | 0.3% | 1.4% | |
| 251 | 0.4% | 1.1% | |
| 252 | 0.2% | 0.8% | |
| 253 | 0.2% | 0.5% | |
| 254 | 0.1% | 0.4% | |
| 255 | 0% | 0.2% | |
| 256 | 0% | 0.2% | |
| 257 | 0% | 0.1% | |
| 258 | 0% | 0.1% | |
| 259 | 0% | 0.1% | |
| 260 | 0% | 0.1% | |
| 261 | 0% | 0% | |
| 262 | 0% | 0% | |
| 263 | 0% | 0% | |
| 264 | 0% | 0% | |
| 265 | 0% | 0% | |
| 266 | 0% | 0% | |
| 267 | 0% | 0% | |
| 268 | 0% | 0% | |
| 269 | 0% | 0% | |
| 270 | 0% | 0% | |
| 271 | 0% | 0% | |
| 272 | 0% | 0% | |
| 273 | 0% | 0% | |
| 274 | 0% | 0% | |
| 275 | 0% | 0% | |
| 276 | 0% | 0% | |
| 277 | 0% | 0% | |
| 278 | 0% | 0% | |
| 279 | 0% | 0% | |
| 280 | 0% | 0% | |
| 281 | 0% | 0% | |
| 282 | 0% | 0% | |
| 283 | 0% | 0% | |
| 284 | 0% | 0% | |
| 285 | 0% | 0% | |
| 286 | 0% | 0% | |
| 287 | 0% | 0% | |
| 288 | 0% | 0% | |
| 289 | 0% | 0% | |
| 290 | 0% | 0% | |
| 291 | 0% | 0% | |
| 292 | 0% | 0% | |
| 293 | 0% | 0% | |
| 294 | 0% | 0% | |
| 295 | 0% | 0% | |
| 296 | 0% | 0% | |
| 297 | 0% | 0% | |
| 298 | 0% | 0% | |
| 299 | 0% | 0% | |
| 300 | 0% | 0% | |
| 301 | 0% | 0% | |
| 302 | 0% | 0% | |
| 303 | 0% | 0% | |
| 304 | 0% | 0% | |
| 305 | 0% | 0% | |
| 306 | 0% | 0% | |
| 307 | 0% | 0% | |
| 308 | 0% | 0% | |
| 309 | 0% | 0% | |
| 310 | 0% | 0% | |
| 311 | 0% | 0% | |
| 312 | 0% | 0% | |
| 313 | 0% | 0% | |
| 314 | 0% | 0% | |
| 315 | 0% | 0% | |
| 316 | 0% | 0% | |
| 317 | 0% | 0% | |
| 318 | 0% | 0% | |
| 319 | 0% | 0% | |
| 320 | 0% | 0% | |
| 321 | 0% | 0% | |
| 322 | 0% | 0% | |
| 323 | 0% | 0% | |
| 324 | 0% | 0% | |
| 325 | 0% | 0% | |
| 326 | 0% | 0% | Majority | 
| 327 | 0% | 0% | |
| 328 | 0% | 0% | |
| 329 | 0% | 0% | |
| 330 | 0% | 0% | |
| 331 | 0% | 0% | |
| 332 | 0% | 0% | |
| 333 | 0% | 0% | |
| 334 | 0% | 0% | |
| 335 | 0% | 0% | |
| 336 | 0% | 0% | |
| 337 | 0% | 0% | |
| 338 | 0% | 0% | |
| 339 | 0% | 0% | |
| 340 | 0% | 0% | |
| 341 | 0% | 0% | |
| 342 | 0% | 0% | |
| 343 | 0% | 0% | |
| 344 | 0% | 0% | |
| 345 | 0% | 0% | |
| 346 | 0% | 0% | |
| 347 | 0% | 0% | |
| 348 | 0% | 0% | |
| 349 | 0% | 0% | |
| 350 | 0% | 0% | |
| 351 | 0% | 0% | |
| 352 | 0% | 0% | |
| 353 | 0% | 0% | |
| 354 | 0% | 0% | |
| 355 | 0% | 0% | |
| 356 | 0% | 0% | |
| 357 | 0% | 0% | |
| 358 | 0% | 0% | |
| 359 | 0% | 0% | |
| 360 | 0% | 0% | |
| 361 | 0% | 0% | |
| 362 | 0% | 0% | |
| 363 | 0% | 0% | |
| 364 | 0% | 0% | |
| 365 | 0% | 0% | |
| 366 | 0% | 0% | |
| 367 | 0% | 0% | |
| 368 | 0% | 0% | |
| 369 | 0% | 0% | Last Result | 
Conservative Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 160 | 0% | 100% | |
| 161 | 0% | 99.9% | |
| 162 | 0% | 99.9% | |
| 163 | 0% | 99.9% | |
| 164 | 0% | 99.9% | |
| 165 | 0% | 99.9% | |
| 166 | 0% | 99.9% | |
| 167 | 0% | 99.8% | |
| 168 | 0% | 99.8% | |
| 169 | 0.1% | 99.8% | |
| 170 | 0.1% | 99.7% | |
| 171 | 0% | 99.6% | |
| 172 | 0.1% | 99.5% | |
| 173 | 0.1% | 99.5% | |
| 174 | 0.1% | 99.3% | |
| 175 | 0.1% | 99.2% | |
| 176 | 0.3% | 99.1% | |
| 177 | 0.2% | 98.8% | |
| 178 | 0.2% | 98.6% | |
| 179 | 0.1% | 98% | |
| 180 | 0.2% | 98% | |
| 181 | 0.4% | 98% | |
| 182 | 0.3% | 98% | |
| 183 | 0.2% | 97% | |
| 184 | 0.3% | 97% | |
| 185 | 0.5% | 97% | |
| 186 | 0.2% | 96% | |
| 187 | 0.4% | 96% | |
| 188 | 0.4% | 96% | |
| 189 | 0.5% | 95% | |
| 190 | 0.7% | 95% | |
| 191 | 0.9% | 94% | |
| 192 | 0.8% | 93% | |
| 193 | 2% | 92% | |
| 194 | 3% | 90% | |
| 195 | 2% | 87% | |
| 196 | 3% | 85% | |
| 197 | 3% | 82% | |
| 198 | 1.5% | 79% | |
| 199 | 0.6% | 78% | |
| 200 | 1.4% | 77% | |
| 201 | 3% | 76% | |
| 202 | 2% | 73% | |
| 203 | 1.1% | 71% | |
| 204 | 2% | 70% | |
| 205 | 1.1% | 68% | |
| 206 | 1.1% | 67% | |
| 207 | 1.1% | 65% | |
| 208 | 2% | 64% | |
| 209 | 1.1% | 62% | |
| 210 | 1.1% | 61% | |
| 211 | 1.1% | 60% | |
| 212 | 2% | 59% | |
| 213 | 4% | 57% | |
| 214 | 2% | 53% | |
| 215 | 4% | 51% | Median | 
| 216 | 3% | 47% | |
| 217 | 4% | 44% | |
| 218 | 3% | 40% | |
| 219 | 2% | 38% | |
| 220 | 2% | 35% | |
| 221 | 3% | 33% | |
| 222 | 2% | 29% | |
| 223 | 2% | 27% | |
| 224 | 1.2% | 25% | |
| 225 | 2% | 24% | |
| 226 | 1.1% | 22% | |
| 227 | 1.2% | 21% | |
| 228 | 1.2% | 19% | |
| 229 | 1.0% | 18% | |
| 230 | 1.4% | 17% | |
| 231 | 1.0% | 16% | |
| 232 | 1.0% | 15% | |
| 233 | 1.1% | 14% | |
| 234 | 2% | 13% | |
| 235 | 2% | 11% | |
| 236 | 2% | 9% | |
| 237 | 1.0% | 7% | |
| 238 | 0.9% | 6% | |
| 239 | 1.5% | 5% | |
| 240 | 1.0% | 4% | |
| 241 | 0.6% | 3% | |
| 242 | 0.3% | 2% | |
| 243 | 0.2% | 2% | |
| 244 | 0.2% | 2% | |
| 245 | 0.3% | 1.4% | |
| 246 | 0.4% | 1.1% | |
| 247 | 0.2% | 0.7% | |
| 248 | 0.2% | 0.5% | |
| 249 | 0.1% | 0.3% | |
| 250 | 0% | 0.2% | |
| 251 | 0% | 0.2% | |
| 252 | 0% | 0.1% | |
| 253 | 0% | 0.1% | |
| 254 | 0% | 0.1% | |
| 255 | 0% | 0.1% | |
| 256 | 0% | 0% | |
| 257 | 0% | 0% | |
| 258 | 0% | 0% | |
| 259 | 0% | 0% | |
| 260 | 0% | 0% | |
| 261 | 0% | 0% | |
| 262 | 0% | 0% | |
| 263 | 0% | 0% | |
| 264 | 0% | 0% | |
| 265 | 0% | 0% | |
| 266 | 0% | 0% | |
| 267 | 0% | 0% | |
| 268 | 0% | 0% | |
| 269 | 0% | 0% | |
| 270 | 0% | 0% | |
| 271 | 0% | 0% | |
| 272 | 0% | 0% | |
| 273 | 0% | 0% | |
| 274 | 0% | 0% | |
| 275 | 0% | 0% | |
| 276 | 0% | 0% | |
| 277 | 0% | 0% | |
| 278 | 0% | 0% | |
| 279 | 0% | 0% | |
| 280 | 0% | 0% | |
| 281 | 0% | 0% | |
| 282 | 0% | 0% | |
| 283 | 0% | 0% | |
| 284 | 0% | 0% | |
| 285 | 0% | 0% | |
| 286 | 0% | 0% | |
| 287 | 0% | 0% | |
| 288 | 0% | 0% | |
| 289 | 0% | 0% | |
| 290 | 0% | 0% | |
| 291 | 0% | 0% | |
| 292 | 0% | 0% | |
| 293 | 0% | 0% | |
| 294 | 0% | 0% | |
| 295 | 0% | 0% | |
| 296 | 0% | 0% | |
| 297 | 0% | 0% | |
| 298 | 0% | 0% | |
| 299 | 0% | 0% | |
| 300 | 0% | 0% | |
| 301 | 0% | 0% | |
| 302 | 0% | 0% | |
| 303 | 0% | 0% | |
| 304 | 0% | 0% | |
| 305 | 0% | 0% | |
| 306 | 0% | 0% | |
| 307 | 0% | 0% | |
| 308 | 0% | 0% | |
| 309 | 0% | 0% | |
| 310 | 0% | 0% | |
| 311 | 0% | 0% | |
| 312 | 0% | 0% | |
| 313 | 0% | 0% | |
| 314 | 0% | 0% | |
| 315 | 0% | 0% | |
| 316 | 0% | 0% | |
| 317 | 0% | 0% | |
| 318 | 0% | 0% | |
| 319 | 0% | 0% | |
| 320 | 0% | 0% | |
| 321 | 0% | 0% | |
| 322 | 0% | 0% | |
| 323 | 0% | 0% | |
| 324 | 0% | 0% | |
| 325 | 0% | 0% | |
| 326 | 0% | 0% | Majority | 
| 327 | 0% | 0% | |
| 328 | 0% | 0% | |
| 329 | 0% | 0% | |
| 330 | 0% | 0% | |
| 331 | 0% | 0% | |
| 332 | 0% | 0% | |
| 333 | 0% | 0% | |
| 334 | 0% | 0% | |
| 335 | 0% | 0% | |
| 336 | 0% | 0% | |
| 337 | 0% | 0% | |
| 338 | 0% | 0% | |
| 339 | 0% | 0% | |
| 340 | 0% | 0% | |
| 341 | 0% | 0% | |
| 342 | 0% | 0% | |
| 343 | 0% | 0% | |
| 344 | 0% | 0% | |
| 345 | 0% | 0% | |
| 346 | 0% | 0% | |
| 347 | 0% | 0% | |
| 348 | 0% | 0% | |
| 349 | 0% | 0% | |
| 350 | 0% | 0% | |
| 351 | 0% | 0% | |
| 352 | 0% | 0% | |
| 353 | 0% | 0% | |
| 354 | 0% | 0% | |
| 355 | 0% | 0% | |
| 356 | 0% | 0% | |
| 357 | 0% | 0% | |
| 358 | 0% | 0% | |
| 359 | 0% | 0% | |
| 360 | 0% | 0% | |
| 361 | 0% | 0% | |
| 362 | 0% | 0% | |
| 363 | 0% | 0% | |
| 364 | 0% | 0% | |
| 365 | 0% | 0% | Last Result | 
Technical Information
Opinion Poll
- Polling firm: Opinium
 - Commissioner(s): The Observer
 - Fieldwork period: 15–17 March 2023
 
Calculations
- Sample size: 1329
 - Simulations done: 1,048,576
 - Error estimate: 0.40%