Opinion Poll by YouGov, 12–20 November 2019
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 | 
|---|---|---|---|---|---|---|
| Conservative Party | 43.4% | 42.6% | 42.0–43.2% | 41.8–43.3% | 41.7–43.5% | 41.4–43.8% | 
| Labour Party | 41.0% | 28.7% | 28.2–29.3% | 28.0–29.4% | 27.9–29.6% | 27.6–29.8% | 
| Liberal Democrats | 7.6% | 14.9% | 14.4–15.3% | 14.3–15.4% | 14.2–15.5% | 14.0–15.7% | 
| Scottish National Party | 3.1% | 4.0% | 3.7–4.2% | 3.7–4.3% | 3.6–4.3% | 3.5–4.5% | 
| Brexit Party | 0.0% | 4.0% | 3.7–4.2% | 3.7–4.3% | 3.6–4.3% | 3.5–4.5% | 
| Green Party | 1.7% | 3.0% | 2.8–3.2% | 2.7–3.3% | 2.7–3.3% | 2.6–3.4% | 
| Plaid Cymru | 0.5% | 1.0% | 0.9–1.1% | 0.8–1.2% | 0.8–1.2% | 0.8–1.3% | 
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 | 
|---|---|---|---|---|---|---|
| Conservative Party | 317 | 360 | 356–365 | 355–367 | 354–369 | 350–372 | 
| Labour Party | 262 | 181 | 177–185 | 176–185 | 174–186 | 171–190 | 
| Liberal Democrats | 12 | 36 | 34–38 | 34–38 | 33–39 | 32–40 | 
| Scottish National Party | 35 | 48 | 45–50 | 45–50 | 45–50 | 42–50 | 
| Brexit Party | 0 | 0 | 0 | 0 | 0 | 0 | 
| Green Party | 1 | 1 | 1 | 1 | 1 | 1 | 
| Plaid Cymru | 4 | 5 | 4–8 | 4–8 | 4–8 | 4–8 | 
Conservative Party
For a full overview of the results for this party, see the Conservative Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 317 | 0% | 100% | Last Result | 
| 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 | 0.1% | 100% | |
| 346 | 0% | 99.9% | |
| 347 | 0.1% | 99.9% | |
| 348 | 0% | 99.8% | |
| 349 | 0.2% | 99.8% | |
| 350 | 0.2% | 99.6% | |
| 351 | 0.3% | 99.3% | |
| 352 | 0.4% | 99.1% | |
| 353 | 0.6% | 98.7% | |
| 354 | 1.2% | 98% | |
| 355 | 4% | 97% | |
| 356 | 8% | 93% | |
| 357 | 6% | 85% | |
| 358 | 8% | 79% | |
| 359 | 14% | 71% | |
| 360 | 10% | 56% | Median | 
| 361 | 7% | 46% | |
| 362 | 11% | 40% | |
| 363 | 9% | 29% | |
| 364 | 5% | 19% | |
| 365 | 5% | 15% | |
| 366 | 3% | 10% | |
| 367 | 3% | 6% | |
| 368 | 0.8% | 4% | |
| 369 | 1.0% | 3% | |
| 370 | 0.6% | 2% | |
| 371 | 0.5% | 1.2% | |
| 372 | 0.3% | 0.7% | |
| 373 | 0.1% | 0.4% | |
| 374 | 0.1% | 0.3% | |
| 375 | 0.1% | 0.2% | |
| 376 | 0% | 0.1% | |
| 377 | 0% | 0% | 
Labour Party
For a full overview of the results for this party, see the Labour Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 169 | 0.2% | 100% | |
| 170 | 0.2% | 99.8% | |
| 171 | 0.5% | 99.6% | |
| 172 | 0.2% | 99.1% | |
| 173 | 0.7% | 98.8% | |
| 174 | 1.1% | 98% | |
| 175 | 2% | 97% | |
| 176 | 1.0% | 95% | |
| 177 | 7% | 94% | |
| 178 | 8% | 87% | |
| 179 | 9% | 79% | |
| 180 | 14% | 70% | |
| 181 | 11% | 57% | Median | 
| 182 | 6% | 45% | |
| 183 | 12% | 39% | |
| 184 | 12% | 27% | |
| 185 | 11% | 16% | |
| 186 | 3% | 5% | |
| 187 | 0.2% | 2% | |
| 188 | 0.4% | 1.3% | |
| 189 | 0.3% | 0.9% | |
| 190 | 0.2% | 0.7% | |
| 191 | 0.2% | 0.5% | |
| 192 | 0.1% | 0.2% | |
| 193 | 0.1% | 0.2% | |
| 194 | 0% | 0.1% | |
| 195 | 0% | 0.1% | |
| 196 | 0% | 0% | |
| 197 | 0% | 0% | |
| 198 | 0% | 0% | |
| 199 | 0% | 0% | |
| 200 | 0% | 0% | |
| 201 | 0% | 0% | |
| 202 | 0% | 0% | |
| 203 | 0% | 0% | |
| 204 | 0% | 0% | |
| 205 | 0% | 0% | |
| 206 | 0% | 0% | |
| 207 | 0% | 0% | |
| 208 | 0% | 0% | |
| 209 | 0% | 0% | |
| 210 | 0% | 0% | |
| 211 | 0% | 0% | |
| 212 | 0% | 0% | |
| 213 | 0% | 0% | |
| 214 | 0% | 0% | |
| 215 | 0% | 0% | |
| 216 | 0% | 0% | |
| 217 | 0% | 0% | |
| 218 | 0% | 0% | |
| 219 | 0% | 0% | |
| 220 | 0% | 0% | |
| 221 | 0% | 0% | |
| 222 | 0% | 0% | |
| 223 | 0% | 0% | |
| 224 | 0% | 0% | |
| 225 | 0% | 0% | |
| 226 | 0% | 0% | |
| 227 | 0% | 0% | |
| 228 | 0% | 0% | |
| 229 | 0% | 0% | |
| 230 | 0% | 0% | |
| 231 | 0% | 0% | |
| 232 | 0% | 0% | |
| 233 | 0% | 0% | |
| 234 | 0% | 0% | |
| 235 | 0% | 0% | |
| 236 | 0% | 0% | |
| 237 | 0% | 0% | |
| 238 | 0% | 0% | |
| 239 | 0% | 0% | |
| 240 | 0% | 0% | |
| 241 | 0% | 0% | |
| 242 | 0% | 0% | |
| 243 | 0% | 0% | |
| 244 | 0% | 0% | |
| 245 | 0% | 0% | |
| 246 | 0% | 0% | |
| 247 | 0% | 0% | |
| 248 | 0% | 0% | |
| 249 | 0% | 0% | |
| 250 | 0% | 0% | |
| 251 | 0% | 0% | |
| 252 | 0% | 0% | |
| 253 | 0% | 0% | |
| 254 | 0% | 0% | |
| 255 | 0% | 0% | |
| 256 | 0% | 0% | |
| 257 | 0% | 0% | |
| 258 | 0% | 0% | |
| 259 | 0% | 0% | |
| 260 | 0% | 0% | |
| 261 | 0% | 0% | |
| 262 | 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 | 
|---|---|---|---|
| 12 | 0% | 100% | Last Result | 
| 13 | 0% | 100% | |
| 14 | 0% | 100% | |
| 15 | 0% | 100% | |
| 16 | 0% | 100% | |
| 17 | 0% | 100% | |
| 18 | 0% | 100% | |
| 19 | 0% | 100% | |
| 20 | 0% | 100% | |
| 21 | 0% | 100% | |
| 22 | 0% | 100% | |
| 23 | 0% | 100% | |
| 24 | 0% | 100% | |
| 25 | 0% | 100% | |
| 26 | 0% | 100% | |
| 27 | 0% | 100% | |
| 28 | 0% | 100% | |
| 29 | 0% | 100% | |
| 30 | 0% | 100% | |
| 31 | 0.1% | 100% | |
| 32 | 2% | 99.9% | |
| 33 | 2% | 98% | |
| 34 | 6% | 95% | |
| 35 | 18% | 89% | |
| 36 | 30% | 71% | Median | 
| 37 | 28% | 42% | |
| 38 | 11% | 14% | |
| 39 | 2% | 3% | |
| 40 | 0.9% | 1.3% | |
| 41 | 0.2% | 0.4% | |
| 42 | 0.2% | 0.2% | |
| 43 | 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 | 
|---|---|---|---|
| 35 | 0% | 100% | Last Result | 
| 36 | 0% | 100% | |
| 37 | 0% | 100% | |
| 38 | 0% | 100% | |
| 39 | 0% | 100% | |
| 40 | 0% | 100% | |
| 41 | 0.4% | 100% | |
| 42 | 1.2% | 99.6% | |
| 43 | 0.3% | 98% | |
| 44 | 0% | 98% | |
| 45 | 8% | 98% | |
| 46 | 0.6% | 90% | |
| 47 | 29% | 89% | |
| 48 | 35% | 61% | Median | 
| 49 | 0.9% | 25% | |
| 50 | 24% | 25% | |
| 51 | 0.5% | 0.5% | |
| 52 | 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 | 100% | 100% | Last Result, Median | 
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 | 100% | 100% | Last Result, Median | 
Plaid Cymru
For a full overview of the results for this party, see the Plaid Cymru page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 4 | 49% | 100% | Last Result | 
| 5 | 11% | 51% | Median | 
| 6 | 12% | 40% | |
| 7 | 9% | 28% | |
| 8 | 19% | 19% | |
| 9 | 0% | 0% | 
Coalitions

Confidence Intervals
| Coalition | Last Result | Median | Majority? | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval | 
|---|---|---|---|---|---|---|---|
| Conservative Party – Scottish National Party – Plaid Cymru | 356 | 414 | 100% | 410–418 | 409–420 | 408–422 | 403–425 | 
| Conservative Party – Scottish National Party | 352 | 407 | 100% | 405–412 | 404–414 | 403–415 | 399–419 | 
| Conservative Party – Liberal Democrats | 329 | 396 | 100% | 392–401 | 391–403 | 390–404 | 387–408 | 
| Conservative Party – Plaid Cymru | 321 | 366 | 100% | 360–371 | 360–373 | 359–375 | 355–379 | 
| Conservative Party – Brexit Party | 317 | 360 | 100% | 356–365 | 355–367 | 354–369 | 350–372 | 
| Conservative Party | 317 | 360 | 100% | 356–365 | 355–367 | 354–369 | 350–372 | 
| Labour Party – Liberal Democrats – Scottish National Party – Green Party – Plaid Cymru | 314 | 272 | 0% | 267–276 | 265–277 | 263–278 | 260–282 | 
| Labour Party – Liberal Democrats – Scottish National Party – Plaid Cymru | 313 | 271 | 0% | 266–275 | 264–276 | 262–277 | 259–281 | 
| Labour Party – Liberal Democrats – Scottish National Party | 309 | 265 | 0% | 260–271 | 258–271 | 256–272 | 252–276 | 
| Labour Party – Scottish National Party – Plaid Cymru | 301 | 235 | 0% | 230–239 | 228–240 | 227–241 | 223–244 | 
| Labour Party – Scottish National Party | 297 | 229 | 0% | 224–234 | 222–235 | 221–236 | 217–239 | 
| Labour Party – Liberal Democrats – Plaid Cymru | 278 | 224 | 0% | 219–226 | 217–227 | 216–228 | 212–232 | 
| Labour Party – Liberal Democrats | 274 | 217 | 0% | 213–221 | 211–222 | 209–223 | 206–228 | 
| Labour Party – Plaid Cymru | 266 | 187 | 0% | 182–190 | 182–191 | 181–191 | 176–195 | 
| Labour Party | 262 | 181 | 0% | 177–185 | 176–185 | 174–186 | 171–190 | 
Conservative Party – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 356 | 0% | 100% | Last Result | 
| 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% | 100% | |
| 377 | 0% | 100% | |
| 378 | 0% | 100% | |
| 379 | 0% | 100% | |
| 380 | 0% | 100% | |
| 381 | 0% | 100% | |
| 382 | 0% | 100% | |
| 383 | 0% | 100% | |
| 384 | 0% | 100% | |
| 385 | 0% | 100% | |
| 386 | 0% | 100% | |
| 387 | 0% | 100% | |
| 388 | 0% | 100% | |
| 389 | 0% | 100% | |
| 390 | 0% | 100% | |
| 391 | 0% | 100% | |
| 392 | 0% | 100% | |
| 393 | 0% | 100% | |
| 394 | 0% | 100% | |
| 395 | 0% | 100% | |
| 396 | 0% | 100% | |
| 397 | 0% | 100% | |
| 398 | 0% | 100% | |
| 399 | 0.1% | 100% | |
| 400 | 0% | 99.9% | |
| 401 | 0.1% | 99.9% | |
| 402 | 0.1% | 99.8% | |
| 403 | 0.3% | 99.8% | |
| 404 | 0.1% | 99.5% | |
| 405 | 0.3% | 99.4% | |
| 406 | 0.4% | 99.0% | |
| 407 | 0.6% | 98.6% | |
| 408 | 2% | 98% | |
| 409 | 5% | 96% | |
| 410 | 14% | 92% | |
| 411 | 11% | 78% | |
| 412 | 5% | 67% | |
| 413 | 5% | 62% | Median | 
| 414 | 16% | 57% | |
| 415 | 14% | 42% | |
| 416 | 7% | 28% | |
| 417 | 7% | 21% | |
| 418 | 5% | 13% | |
| 419 | 3% | 8% | |
| 420 | 2% | 6% | |
| 421 | 1.1% | 4% | |
| 422 | 1.2% | 3% | |
| 423 | 0.4% | 2% | |
| 424 | 0.5% | 1.2% | |
| 425 | 0.3% | 0.7% | |
| 426 | 0.2% | 0.4% | |
| 427 | 0.1% | 0.2% | |
| 428 | 0% | 0.1% | |
| 429 | 0.1% | 0.1% | |
| 430 | 0% | 0% | 
Conservative Party – Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 352 | 0% | 100% | Last Result | 
| 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% | 100% | |
| 377 | 0% | 100% | |
| 378 | 0% | 100% | |
| 379 | 0% | 100% | |
| 380 | 0% | 100% | |
| 381 | 0% | 100% | |
| 382 | 0% | 100% | |
| 383 | 0% | 100% | |
| 384 | 0% | 100% | |
| 385 | 0% | 100% | |
| 386 | 0% | 100% | |
| 387 | 0% | 100% | |
| 388 | 0% | 100% | |
| 389 | 0% | 100% | |
| 390 | 0% | 100% | |
| 391 | 0% | 100% | |
| 392 | 0% | 100% | |
| 393 | 0% | 100% | |
| 394 | 0% | 100% | |
| 395 | 0.1% | 100% | |
| 396 | 0% | 99.9% | |
| 397 | 0.1% | 99.9% | |
| 398 | 0.1% | 99.8% | |
| 399 | 0.3% | 99.7% | |
| 400 | 0.3% | 99.4% | |
| 401 | 0.6% | 99.1% | |
| 402 | 0.6% | 98% | |
| 403 | 0.8% | 98% | |
| 404 | 3% | 97% | |
| 405 | 8% | 94% | |
| 406 | 18% | 86% | |
| 407 | 19% | 68% | |
| 408 | 5% | 50% | Median | 
| 409 | 5% | 45% | |
| 410 | 18% | 40% | |
| 411 | 7% | 22% | |
| 412 | 6% | 15% | |
| 413 | 3% | 9% | |
| 414 | 3% | 6% | |
| 415 | 1.1% | 3% | |
| 416 | 0.7% | 2% | |
| 417 | 0.4% | 1.2% | |
| 418 | 0.3% | 0.8% | |
| 419 | 0.3% | 0.5% | |
| 420 | 0% | 0.2% | |
| 421 | 0.2% | 0.2% | |
| 422 | 0% | 0% | 
Conservative Party – Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 329 | 0% | 100% | Last Result | 
| 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% | 100% | |
| 377 | 0% | 100% | |
| 378 | 0% | 100% | |
| 379 | 0% | 100% | |
| 380 | 0% | 100% | |
| 381 | 0% | 100% | |
| 382 | 0% | 100% | |
| 383 | 0% | 99.9% | |
| 384 | 0% | 99.9% | |
| 385 | 0.1% | 99.9% | |
| 386 | 0.3% | 99.8% | |
| 387 | 0.3% | 99.5% | |
| 388 | 0.2% | 99.2% | |
| 389 | 0.4% | 99.0% | |
| 390 | 1.4% | 98.7% | |
| 391 | 3% | 97% | |
| 392 | 6% | 95% | |
| 393 | 7% | 89% | |
| 394 | 9% | 82% | |
| 395 | 14% | 72% | |
| 396 | 12% | 58% | Median | 
| 397 | 7% | 46% | |
| 398 | 8% | 40% | |
| 399 | 12% | 32% | |
| 400 | 6% | 20% | |
| 401 | 5% | 14% | |
| 402 | 4% | 9% | |
| 403 | 1.3% | 5% | |
| 404 | 2% | 4% | |
| 405 | 0.6% | 2% | |
| 406 | 0.5% | 2% | |
| 407 | 0.4% | 1.0% | |
| 408 | 0.3% | 0.6% | |
| 409 | 0.1% | 0.3% | |
| 410 | 0.1% | 0.2% | |
| 411 | 0% | 0.1% | |
| 412 | 0% | 0.1% | |
| 413 | 0% | 0% | 
Conservative Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 321 | 0% | 100% | Last Result | 
| 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% | 99.9% | |
| 351 | 0% | 99.9% | |
| 352 | 0% | 99.9% | |
| 353 | 0.2% | 99.8% | |
| 354 | 0.1% | 99.7% | |
| 355 | 0.1% | 99.5% | |
| 356 | 0.2% | 99.4% | |
| 357 | 0.5% | 99.2% | |
| 358 | 0.7% | 98.6% | |
| 359 | 2% | 98% | |
| 360 | 6% | 96% | |
| 361 | 4% | 89% | |
| 362 | 6% | 85% | |
| 363 | 9% | 79% | |
| 364 | 8% | 70% | |
| 365 | 7% | 62% | Median | 
| 366 | 9% | 55% | |
| 367 | 14% | 46% | |
| 368 | 7% | 32% | |
| 369 | 8% | 25% | |
| 370 | 4% | 17% | |
| 371 | 3% | 13% | |
| 372 | 3% | 9% | |
| 373 | 2% | 6% | |
| 374 | 1.2% | 4% | |
| 375 | 1.1% | 3% | |
| 376 | 0.5% | 2% | |
| 377 | 0.5% | 1.3% | |
| 378 | 0.3% | 0.8% | |
| 379 | 0.2% | 0.5% | |
| 380 | 0.1% | 0.3% | |
| 381 | 0.1% | 0.2% | |
| 382 | 0.1% | 0.1% | |
| 383 | 0% | 0.1% | |
| 384 | 0% | 0% | 
Conservative Party – Brexit Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 317 | 0% | 100% | Last Result | 
| 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 | 0.1% | 100% | |
| 346 | 0% | 99.9% | |
| 347 | 0.1% | 99.9% | |
| 348 | 0% | 99.8% | |
| 349 | 0.2% | 99.8% | |
| 350 | 0.2% | 99.6% | |
| 351 | 0.3% | 99.3% | |
| 352 | 0.4% | 99.1% | |
| 353 | 0.6% | 98.7% | |
| 354 | 1.2% | 98% | |
| 355 | 4% | 97% | |
| 356 | 8% | 93% | |
| 357 | 6% | 85% | |
| 358 | 8% | 79% | |
| 359 | 14% | 71% | |
| 360 | 10% | 56% | Median | 
| 361 | 7% | 46% | |
| 362 | 11% | 40% | |
| 363 | 9% | 29% | |
| 364 | 5% | 19% | |
| 365 | 5% | 15% | |
| 366 | 3% | 10% | |
| 367 | 3% | 6% | |
| 368 | 0.8% | 4% | |
| 369 | 1.0% | 3% | |
| 370 | 0.6% | 2% | |
| 371 | 0.5% | 1.2% | |
| 372 | 0.3% | 0.7% | |
| 373 | 0.1% | 0.4% | |
| 374 | 0.1% | 0.3% | |
| 375 | 0.1% | 0.2% | |
| 376 | 0% | 0.1% | |
| 377 | 0% | 0% | 
Conservative Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 317 | 0% | 100% | Last Result | 
| 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 | 0.1% | 100% | |
| 346 | 0% | 99.9% | |
| 347 | 0.1% | 99.9% | |
| 348 | 0% | 99.8% | |
| 349 | 0.2% | 99.8% | |
| 350 | 0.2% | 99.6% | |
| 351 | 0.3% | 99.3% | |
| 352 | 0.4% | 99.1% | |
| 353 | 0.6% | 98.7% | |
| 354 | 1.2% | 98% | |
| 355 | 4% | 97% | |
| 356 | 8% | 93% | |
| 357 | 6% | 85% | |
| 358 | 8% | 79% | |
| 359 | 14% | 71% | |
| 360 | 10% | 56% | Median | 
| 361 | 7% | 46% | |
| 362 | 11% | 40% | |
| 363 | 9% | 29% | |
| 364 | 5% | 19% | |
| 365 | 5% | 15% | |
| 366 | 3% | 10% | |
| 367 | 3% | 6% | |
| 368 | 0.8% | 4% | |
| 369 | 1.0% | 3% | |
| 370 | 0.6% | 2% | |
| 371 | 0.5% | 1.2% | |
| 372 | 0.3% | 0.7% | |
| 373 | 0.1% | 0.4% | |
| 374 | 0.1% | 0.3% | |
| 375 | 0.1% | 0.2% | |
| 376 | 0% | 0.1% | |
| 377 | 0% | 0% | 
Labour Party – Liberal Democrats – Scottish National Party – Green Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 256 | 0% | 100% | |
| 257 | 0.1% | 99.9% | |
| 258 | 0.1% | 99.8% | |
| 259 | 0.1% | 99.7% | |
| 260 | 0.3% | 99.6% | |
| 261 | 0.5% | 99.3% | |
| 262 | 0.6% | 98.8% | |
| 263 | 1.0% | 98% | |
| 264 | 0.8% | 97% | |
| 265 | 3% | 96% | |
| 266 | 3% | 94% | |
| 267 | 5% | 90% | |
| 268 | 5% | 85% | |
| 269 | 9% | 81% | |
| 270 | 11% | 71% | |
| 271 | 7% | 60% | Median | 
| 272 | 10% | 54% | |
| 273 | 14% | 44% | |
| 274 | 8% | 29% | |
| 275 | 6% | 21% | |
| 276 | 8% | 15% | |
| 277 | 4% | 7% | |
| 278 | 1.2% | 3% | |
| 279 | 0.6% | 2% | |
| 280 | 0.4% | 1.3% | |
| 281 | 0.3% | 0.9% | |
| 282 | 0.2% | 0.7% | |
| 283 | 0.2% | 0.4% | |
| 284 | 0% | 0.2% | |
| 285 | 0.1% | 0.2% | |
| 286 | 0% | 0.1% | |
| 287 | 0.1% | 0.1% | |
| 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% | Last Result | 
Labour Party – Liberal Democrats – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 255 | 0% | 100% | |
| 256 | 0.1% | 99.9% | |
| 257 | 0.1% | 99.8% | |
| 258 | 0.1% | 99.7% | |
| 259 | 0.3% | 99.6% | |
| 260 | 0.5% | 99.3% | |
| 261 | 0.6% | 98.8% | |
| 262 | 1.0% | 98% | |
| 263 | 0.8% | 97% | |
| 264 | 3% | 96% | |
| 265 | 3% | 94% | |
| 266 | 5% | 90% | |
| 267 | 5% | 85% | |
| 268 | 9% | 81% | |
| 269 | 11% | 71% | |
| 270 | 7% | 60% | Median | 
| 271 | 10% | 54% | |
| 272 | 14% | 44% | |
| 273 | 8% | 29% | |
| 274 | 6% | 21% | |
| 275 | 8% | 15% | |
| 276 | 4% | 7% | |
| 277 | 1.2% | 3% | |
| 278 | 0.6% | 2% | |
| 279 | 0.4% | 1.3% | |
| 280 | 0.3% | 0.9% | |
| 281 | 0.2% | 0.7% | |
| 282 | 0.2% | 0.4% | |
| 283 | 0% | 0.2% | |
| 284 | 0.1% | 0.2% | |
| 285 | 0% | 0.1% | |
| 286 | 0.1% | 0.1% | |
| 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% | Last Result | 
Labour Party – Liberal Democrats – Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 248 | 0% | 100% | |
| 249 | 0.1% | 99.9% | |
| 250 | 0.1% | 99.9% | |
| 251 | 0.1% | 99.8% | |
| 252 | 0.2% | 99.7% | |
| 253 | 0.3% | 99.5% | |
| 254 | 0.5% | 99.2% | |
| 255 | 0.5% | 98.7% | |
| 256 | 1.1% | 98% | |
| 257 | 1.2% | 97% | |
| 258 | 2% | 96% | |
| 259 | 3% | 94% | |
| 260 | 3% | 91% | |
| 261 | 4% | 87% | |
| 262 | 8% | 83% | |
| 263 | 7% | 75% | |
| 264 | 14% | 68% | |
| 265 | 9% | 54% | Median | 
| 266 | 7% | 45% | |
| 267 | 8% | 38% | |
| 268 | 9% | 30% | |
| 269 | 6% | 21% | |
| 270 | 4% | 15% | |
| 271 | 6% | 11% | |
| 272 | 2% | 4% | |
| 273 | 0.7% | 2% | |
| 274 | 0.5% | 1.4% | |
| 275 | 0.2% | 0.8% | |
| 276 | 0.1% | 0.6% | |
| 277 | 0.1% | 0.5% | |
| 278 | 0.2% | 0.3% | |
| 279 | 0% | 0.2% | |
| 280 | 0% | 0.1% | |
| 281 | 0% | 0.1% | |
| 282 | 0% | 0.1% | |
| 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% | Last Result | 
Labour Party – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 219 | 0% | 100% | |
| 220 | 0% | 99.9% | |
| 221 | 0.1% | 99.9% | |
| 222 | 0.1% | 99.8% | |
| 223 | 0.3% | 99.7% | |
| 224 | 0.4% | 99.4% | |
| 225 | 0.5% | 99.0% | |
| 226 | 0.6% | 98% | |
| 227 | 2% | 98% | |
| 228 | 1.3% | 96% | |
| 229 | 4% | 95% | |
| 230 | 5% | 91% | |
| 231 | 6% | 86% | |
| 232 | 12% | 80% | |
| 233 | 8% | 68% | |
| 234 | 7% | 60% | Median | 
| 235 | 12% | 54% | |
| 236 | 14% | 42% | |
| 237 | 9% | 28% | |
| 238 | 7% | 18% | |
| 239 | 6% | 11% | |
| 240 | 3% | 5% | |
| 241 | 1.4% | 3% | |
| 242 | 0.4% | 1.3% | |
| 243 | 0.2% | 1.0% | |
| 244 | 0.3% | 0.8% | |
| 245 | 0.3% | 0.5% | |
| 246 | 0.1% | 0.2% | |
| 247 | 0% | 0.1% | |
| 248 | 0% | 0.1% | |
| 249 | 0% | 0.1% | |
| 250 | 0% | 0% | |
| 251 | 0% | 0% | |
| 252 | 0% | 0% | |
| 253 | 0% | 0% | |
| 254 | 0% | 0% | |
| 255 | 0% | 0% | |
| 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% | Last Result | 
Labour Party – Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 213 | 0% | 100% | |
| 214 | 0% | 99.9% | |
| 215 | 0.1% | 99.9% | |
| 216 | 0.1% | 99.8% | |
| 217 | 0.3% | 99.7% | |
| 218 | 0.4% | 99.4% | |
| 219 | 0.5% | 99.0% | |
| 220 | 0.8% | 98% | |
| 221 | 0.9% | 98% | |
| 222 | 2% | 97% | |
| 223 | 2% | 94% | |
| 224 | 2% | 92% | |
| 225 | 7% | 90% | |
| 226 | 6% | 83% | |
| 227 | 10% | 77% | |
| 228 | 12% | 67% | |
| 229 | 10% | 55% | Median | 
| 230 | 8% | 45% | |
| 231 | 12% | 37% | |
| 232 | 7% | 25% | |
| 233 | 7% | 18% | |
| 234 | 4% | 11% | |
| 235 | 4% | 7% | |
| 236 | 2% | 3% | |
| 237 | 0.2% | 1.2% | |
| 238 | 0.3% | 0.9% | |
| 239 | 0.2% | 0.7% | |
| 240 | 0.2% | 0.4% | |
| 241 | 0.2% | 0.3% | |
| 242 | 0% | 0.1% | |
| 243 | 0% | 0.1% | |
| 244 | 0% | 0.1% | |
| 245 | 0% | 0% | |
| 246 | 0% | 0% | |
| 247 | 0% | 0% | |
| 248 | 0% | 0% | |
| 249 | 0% | 0% | |
| 250 | 0% | 0% | |
| 251 | 0% | 0% | |
| 252 | 0% | 0% | |
| 253 | 0% | 0% | |
| 254 | 0% | 0% | |
| 255 | 0% | 0% | |
| 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% | Last Result | 
Labour Party – Liberal Democrats – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 210 | 0.2% | 100% | |
| 211 | 0% | 99.8% | |
| 212 | 0.3% | 99.8% | |
| 213 | 0.3% | 99.5% | |
| 214 | 0.4% | 99.2% | |
| 215 | 0.7% | 98.8% | |
| 216 | 1.1% | 98% | |
| 217 | 3% | 97% | |
| 218 | 3% | 94% | |
| 219 | 6% | 91% | |
| 220 | 7% | 85% | |
| 221 | 18% | 78% | |
| 222 | 5% | 60% | Median | 
| 223 | 5% | 55% | |
| 224 | 19% | 50% | |
| 225 | 18% | 32% | |
| 226 | 8% | 14% | |
| 227 | 3% | 6% | |
| 228 | 0.8% | 3% | |
| 229 | 0.6% | 2% | |
| 230 | 0.6% | 2% | |
| 231 | 0.3% | 0.9% | |
| 232 | 0.3% | 0.6% | |
| 233 | 0.1% | 0.3% | |
| 234 | 0.1% | 0.2% | |
| 235 | 0% | 0.1% | |
| 236 | 0.1% | 0.1% | |
| 237 | 0% | 0% | |
| 238 | 0% | 0% | |
| 239 | 0% | 0% | |
| 240 | 0% | 0% | |
| 241 | 0% | 0% | |
| 242 | 0% | 0% | |
| 243 | 0% | 0% | |
| 244 | 0% | 0% | |
| 245 | 0% | 0% | |
| 246 | 0% | 0% | |
| 247 | 0% | 0% | |
| 248 | 0% | 0% | |
| 249 | 0% | 0% | |
| 250 | 0% | 0% | |
| 251 | 0% | 0% | |
| 252 | 0% | 0% | |
| 253 | 0% | 0% | |
| 254 | 0% | 0% | |
| 255 | 0% | 0% | |
| 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% | Last Result | 
Labour Party – Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 202 | 0.1% | 100% | |
| 203 | 0% | 99.9% | |
| 204 | 0.1% | 99.9% | |
| 205 | 0.2% | 99.8% | |
| 206 | 0.3% | 99.6% | |
| 207 | 0.5% | 99.3% | |
| 208 | 0.4% | 98.8% | |
| 209 | 1.2% | 98% | |
| 210 | 1.1% | 97% | |
| 211 | 2% | 96% | |
| 212 | 3% | 94% | |
| 213 | 5% | 92% | |
| 214 | 7% | 87% | |
| 215 | 7% | 79% | |
| 216 | 14% | 72% | |
| 217 | 16% | 58% | Median | 
| 218 | 5% | 43% | |
| 219 | 5% | 38% | |
| 220 | 11% | 33% | |
| 221 | 14% | 22% | |
| 222 | 5% | 8% | |
| 223 | 2% | 4% | |
| 224 | 0.6% | 2% | |
| 225 | 0.4% | 1.4% | |
| 226 | 0.3% | 1.0% | |
| 227 | 0.1% | 0.6% | |
| 228 | 0.3% | 0.5% | |
| 229 | 0.1% | 0.2% | |
| 230 | 0.1% | 0.2% | |
| 231 | 0% | 0.1% | |
| 232 | 0.1% | 0.1% | |
| 233 | 0% | 0% | |
| 234 | 0% | 0% | |
| 235 | 0% | 0% | |
| 236 | 0% | 0% | |
| 237 | 0% | 0% | |
| 238 | 0% | 0% | |
| 239 | 0% | 0% | |
| 240 | 0% | 0% | |
| 241 | 0% | 0% | |
| 242 | 0% | 0% | |
| 243 | 0% | 0% | |
| 244 | 0% | 0% | |
| 245 | 0% | 0% | |
| 246 | 0% | 0% | |
| 247 | 0% | 0% | |
| 248 | 0% | 0% | |
| 249 | 0% | 0% | |
| 250 | 0% | 0% | |
| 251 | 0% | 0% | |
| 252 | 0% | 0% | |
| 253 | 0% | 0% | |
| 254 | 0% | 0% | |
| 255 | 0% | 0% | |
| 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% | Last Result | 
Labour Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 174 | 0% | 100% | |
| 175 | 0% | 99.9% | |
| 176 | 0.4% | 99.9% | |
| 177 | 0.3% | 99.5% | |
| 178 | 0.2% | 99.2% | |
| 179 | 0.3% | 99.0% | |
| 180 | 0.4% | 98.7% | |
| 181 | 2% | 98% | |
| 182 | 7% | 96% | |
| 183 | 3% | 89% | |
| 184 | 14% | 86% | |
| 185 | 12% | 72% | |
| 186 | 5% | 60% | Median | 
| 187 | 9% | 55% | |
| 188 | 17% | 46% | |
| 189 | 17% | 29% | |
| 190 | 7% | 12% | |
| 191 | 3% | 5% | |
| 192 | 0.3% | 2% | |
| 193 | 0.3% | 1.4% | |
| 194 | 0.4% | 1.2% | |
| 195 | 0.4% | 0.8% | |
| 196 | 0.1% | 0.4% | |
| 197 | 0.1% | 0.2% | |
| 198 | 0% | 0.1% | |
| 199 | 0% | 0.1% | |
| 200 | 0% | 0% | |
| 201 | 0% | 0% | |
| 202 | 0% | 0% | |
| 203 | 0% | 0% | |
| 204 | 0% | 0% | |
| 205 | 0% | 0% | |
| 206 | 0% | 0% | |
| 207 | 0% | 0% | |
| 208 | 0% | 0% | |
| 209 | 0% | 0% | |
| 210 | 0% | 0% | |
| 211 | 0% | 0% | |
| 212 | 0% | 0% | |
| 213 | 0% | 0% | |
| 214 | 0% | 0% | |
| 215 | 0% | 0% | |
| 216 | 0% | 0% | |
| 217 | 0% | 0% | |
| 218 | 0% | 0% | |
| 219 | 0% | 0% | |
| 220 | 0% | 0% | |
| 221 | 0% | 0% | |
| 222 | 0% | 0% | |
| 223 | 0% | 0% | |
| 224 | 0% | 0% | |
| 225 | 0% | 0% | |
| 226 | 0% | 0% | |
| 227 | 0% | 0% | |
| 228 | 0% | 0% | |
| 229 | 0% | 0% | |
| 230 | 0% | 0% | |
| 231 | 0% | 0% | |
| 232 | 0% | 0% | |
| 233 | 0% | 0% | |
| 234 | 0% | 0% | |
| 235 | 0% | 0% | |
| 236 | 0% | 0% | |
| 237 | 0% | 0% | |
| 238 | 0% | 0% | |
| 239 | 0% | 0% | |
| 240 | 0% | 0% | |
| 241 | 0% | 0% | |
| 242 | 0% | 0% | |
| 243 | 0% | 0% | |
| 244 | 0% | 0% | |
| 245 | 0% | 0% | |
| 246 | 0% | 0% | |
| 247 | 0% | 0% | |
| 248 | 0% | 0% | |
| 249 | 0% | 0% | |
| 250 | 0% | 0% | |
| 251 | 0% | 0% | |
| 252 | 0% | 0% | |
| 253 | 0% | 0% | |
| 254 | 0% | 0% | |
| 255 | 0% | 0% | |
| 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% | Last Result | 
Labour Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 169 | 0.2% | 100% | |
| 170 | 0.2% | 99.8% | |
| 171 | 0.5% | 99.6% | |
| 172 | 0.2% | 99.1% | |
| 173 | 0.7% | 98.8% | |
| 174 | 1.1% | 98% | |
| 175 | 2% | 97% | |
| 176 | 1.0% | 95% | |
| 177 | 7% | 94% | |
| 178 | 8% | 87% | |
| 179 | 9% | 79% | |
| 180 | 14% | 70% | |
| 181 | 11% | 57% | Median | 
| 182 | 6% | 45% | |
| 183 | 12% | 39% | |
| 184 | 12% | 27% | |
| 185 | 11% | 16% | |
| 186 | 3% | 5% | |
| 187 | 0.2% | 2% | |
| 188 | 0.4% | 1.3% | |
| 189 | 0.3% | 0.9% | |
| 190 | 0.2% | 0.7% | |
| 191 | 0.2% | 0.5% | |
| 192 | 0.1% | 0.2% | |
| 193 | 0.1% | 0.2% | |
| 194 | 0% | 0.1% | |
| 195 | 0% | 0.1% | |
| 196 | 0% | 0% | |
| 197 | 0% | 0% | |
| 198 | 0% | 0% | |
| 199 | 0% | 0% | |
| 200 | 0% | 0% | |
| 201 | 0% | 0% | |
| 202 | 0% | 0% | |
| 203 | 0% | 0% | |
| 204 | 0% | 0% | |
| 205 | 0% | 0% | |
| 206 | 0% | 0% | |
| 207 | 0% | 0% | |
| 208 | 0% | 0% | |
| 209 | 0% | 0% | |
| 210 | 0% | 0% | |
| 211 | 0% | 0% | |
| 212 | 0% | 0% | |
| 213 | 0% | 0% | |
| 214 | 0% | 0% | |
| 215 | 0% | 0% | |
| 216 | 0% | 0% | |
| 217 | 0% | 0% | |
| 218 | 0% | 0% | |
| 219 | 0% | 0% | |
| 220 | 0% | 0% | |
| 221 | 0% | 0% | |
| 222 | 0% | 0% | |
| 223 | 0% | 0% | |
| 224 | 0% | 0% | |
| 225 | 0% | 0% | |
| 226 | 0% | 0% | |
| 227 | 0% | 0% | |
| 228 | 0% | 0% | |
| 229 | 0% | 0% | |
| 230 | 0% | 0% | |
| 231 | 0% | 0% | |
| 232 | 0% | 0% | |
| 233 | 0% | 0% | |
| 234 | 0% | 0% | |
| 235 | 0% | 0% | |
| 236 | 0% | 0% | |
| 237 | 0% | 0% | |
| 238 | 0% | 0% | |
| 239 | 0% | 0% | |
| 240 | 0% | 0% | |
| 241 | 0% | 0% | |
| 242 | 0% | 0% | |
| 243 | 0% | 0% | |
| 244 | 0% | 0% | |
| 245 | 0% | 0% | |
| 246 | 0% | 0% | |
| 247 | 0% | 0% | |
| 248 | 0% | 0% | |
| 249 | 0% | 0% | |
| 250 | 0% | 0% | |
| 251 | 0% | 0% | |
| 252 | 0% | 0% | |
| 253 | 0% | 0% | |
| 254 | 0% | 0% | |
| 255 | 0% | 0% | |
| 256 | 0% | 0% | |
| 257 | 0% | 0% | |
| 258 | 0% | 0% | |
| 259 | 0% | 0% | |
| 260 | 0% | 0% | |
| 261 | 0% | 0% | |
| 262 | 0% | 0% | Last Result | 
Technical Information
Opinion Poll
- Polling firm: YouGov
 - Commissioner(s): —
 - Fieldwork period: 12–20 November 2019
 
Calculations
- Sample size: 11277
 - Simulations done: 1,048,576
 - Error estimate: 0.30%