Opinion Poll by YouGov, 29–30 April 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 | 42.4% | 28.7% | 27.3–30.2% | 26.9–30.6% | 26.6–31.0% | 25.9–31.7% | 
| Labour Party | 40.0% | 28.7% | 27.3–30.2% | 26.9–30.6% | 26.6–31.0% | 25.9–31.7% | 
| Brexit Party | 0.0% | 14.8% | 13.8–16.0% | 13.5–16.4% | 13.2–16.7% | 12.7–17.2% | 
| Liberal Democrats | 7.4% | 12.9% | 11.9–14.0% | 11.6–14.3% | 11.3–14.6% | 10.9–15.2% | 
| Green Party | 1.6% | 5.0% | 4.3–5.7% | 4.2–5.9% | 4.0–6.1% | 3.7–6.5% | 
| Scottish National Party | 3.0% | 3.4% | 2.9–4.0% | 2.7–4.2% | 2.6–4.4% | 2.4–4.7% | 
| Change UK | 0.0% | 2.9% | 2.5–3.6% | 2.3–3.7% | 2.2–3.9% | 2.0–4.2% | 
| UK Independence Party | 1.8% | 2.0% | 1.6–2.5% | 1.5–2.6% | 1.4–2.8% | 1.2–3.0% | 
| Plaid Cymru | 0.5% | 0.6% | 0.4–0.9% | 0.3–1.0% | 0.3–1.1% | 0.2–1.2% | 
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 | 244 | 215–276 | 204–278 | 195–282 | 185–294 | 
| Labour Party | 262 | 232 | 210–263 | 202–271 | 198–275 | 185–283 | 
| Brexit Party | 0 | 45 | 32–66 | 31–76 | 29–83 | 25–89 | 
| Liberal Democrats | 12 | 51 | 40–56 | 39–57 | 38–58 | 36–60 | 
| Green Party | 1 | 2 | 2–3 | 2–3 | 2–4 | 2–4 | 
| Scottish National Party | 35 | 53 | 48–53 | 46–53 | 45–53 | 36–53 | 
| Change UK | 0 | 0 | 0 | 0 | 0 | 0 | 
| UK Independence Party | 0 | 0 | 0 | 0 | 0 | 0 | 
| Plaid Cymru | 4 | 4 | 3–4 | 2–5 | 2–6 | 1–8 | 
Conservative Party
For a full overview of the results for this party, see the Conservative Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 175 | 0% | 100% | |
| 176 | 0.1% | 99.9% | |
| 177 | 0% | 99.9% | |
| 178 | 0% | 99.9% | |
| 179 | 0% | 99.8% | |
| 180 | 0.1% | 99.8% | |
| 181 | 0% | 99.7% | |
| 182 | 0.2% | 99.7% | |
| 183 | 0% | 99.6% | |
| 184 | 0% | 99.5% | |
| 185 | 0% | 99.5% | |
| 186 | 0.3% | 99.5% | |
| 187 | 0.3% | 99.1% | |
| 188 | 0.3% | 98.9% | |
| 189 | 0.1% | 98.5% | |
| 190 | 0.1% | 98% | |
| 191 | 0% | 98% | |
| 192 | 0.1% | 98% | |
| 193 | 0.1% | 98% | |
| 194 | 0% | 98% | |
| 195 | 0.7% | 98% | |
| 196 | 0.2% | 97% | |
| 197 | 0.1% | 97% | |
| 198 | 0.2% | 97% | |
| 199 | 0.3% | 97% | |
| 200 | 0.4% | 97% | |
| 201 | 0.6% | 96% | |
| 202 | 0.1% | 96% | |
| 203 | 0.2% | 96% | |
| 204 | 0.9% | 95% | |
| 205 | 0.3% | 95% | |
| 206 | 0.2% | 94% | |
| 207 | 0.7% | 94% | |
| 208 | 0.9% | 93% | |
| 209 | 0.1% | 92% | |
| 210 | 0.2% | 92% | |
| 211 | 0.2% | 92% | |
| 212 | 0.5% | 92% | |
| 213 | 0.8% | 91% | |
| 214 | 0.3% | 91% | |
| 215 | 1.3% | 90% | |
| 216 | 0.6% | 89% | |
| 217 | 10% | 89% | |
| 218 | 1.3% | 78% | |
| 219 | 1.0% | 77% | |
| 220 | 0.6% | 76% | |
| 221 | 0.3% | 75% | |
| 222 | 1.4% | 75% | |
| 223 | 0.3% | 74% | |
| 224 | 0.8% | 73% | |
| 225 | 0.3% | 73% | |
| 226 | 0.7% | 72% | |
| 227 | 0.7% | 72% | |
| 228 | 1.2% | 71% | |
| 229 | 1.2% | 70% | |
| 230 | 0.7% | 68% | |
| 231 | 5% | 68% | |
| 232 | 2% | 63% | |
| 233 | 0.8% | 61% | |
| 234 | 0.8% | 60% | |
| 235 | 0.7% | 59% | |
| 236 | 2% | 59% | |
| 237 | 0.6% | 57% | |
| 238 | 0.6% | 57% | |
| 239 | 0.4% | 56% | |
| 240 | 1.4% | 56% | |
| 241 | 2% | 54% | |
| 242 | 0.4% | 53% | |
| 243 | 1.3% | 52% | |
| 244 | 2% | 51% | Median | 
| 245 | 0.1% | 48% | |
| 246 | 1.0% | 48% | |
| 247 | 4% | 47% | |
| 248 | 1.0% | 43% | |
| 249 | 0.7% | 42% | |
| 250 | 1.2% | 42% | |
| 251 | 0.8% | 40% | |
| 252 | 1.1% | 40% | |
| 253 | 2% | 38% | |
| 254 | 2% | 37% | |
| 255 | 1.0% | 34% | |
| 256 | 0.4% | 33% | |
| 257 | 5% | 33% | |
| 258 | 1.1% | 28% | |
| 259 | 1.0% | 27% | |
| 260 | 0.8% | 26% | |
| 261 | 0.3% | 25% | |
| 262 | 0.4% | 25% | |
| 263 | 0.6% | 24% | |
| 264 | 3% | 24% | |
| 265 | 1.1% | 21% | |
| 266 | 0.6% | 20% | |
| 267 | 1.5% | 19% | |
| 268 | 2% | 18% | |
| 269 | 0.6% | 16% | |
| 270 | 2% | 16% | |
| 271 | 0.9% | 14% | |
| 272 | 1.5% | 13% | |
| 273 | 0.2% | 11% | |
| 274 | 0.3% | 11% | |
| 275 | 0.4% | 11% | |
| 276 | 4% | 10% | |
| 277 | 1.3% | 7% | |
| 278 | 0.9% | 5% | |
| 279 | 0.6% | 4% | |
| 280 | 0.6% | 4% | |
| 281 | 0.4% | 3% | |
| 282 | 0.5% | 3% | |
| 283 | 0.1% | 2% | |
| 284 | 0.2% | 2% | |
| 285 | 0.4% | 2% | |
| 286 | 0.1% | 2% | |
| 287 | 0.2% | 1.4% | |
| 288 | 0.2% | 1.3% | |
| 289 | 0.2% | 1.1% | |
| 290 | 0.1% | 0.9% | |
| 291 | 0.1% | 0.8% | |
| 292 | 0.1% | 0.7% | |
| 293 | 0.1% | 0.7% | |
| 294 | 0.1% | 0.5% | |
| 295 | 0% | 0.4% | |
| 296 | 0.1% | 0.4% | |
| 297 | 0% | 0.2% | |
| 298 | 0% | 0.2% | |
| 299 | 0% | 0.2% | |
| 300 | 0% | 0.2% | |
| 301 | 0% | 0.1% | |
| 302 | 0% | 0.1% | |
| 303 | 0% | 0.1% | |
| 304 | 0% | 0.1% | |
| 305 | 0% | 0.1% | |
| 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% | Last Result | 
Labour Party
For a full overview of the results for this party, see the Labour Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 170 | 0% | 100% | |
| 171 | 0.1% | 99.9% | |
| 172 | 0% | 99.9% | |
| 173 | 0% | 99.9% | |
| 174 | 0% | 99.9% | |
| 175 | 0% | 99.9% | |
| 176 | 0% | 99.8% | |
| 177 | 0% | 99.8% | |
| 178 | 0% | 99.8% | |
| 179 | 0% | 99.8% | |
| 180 | 0% | 99.8% | |
| 181 | 0.1% | 99.8% | |
| 182 | 0% | 99.7% | |
| 183 | 0% | 99.7% | |
| 184 | 0.1% | 99.7% | |
| 185 | 0.3% | 99.6% | |
| 186 | 0.1% | 99.3% | |
| 187 | 0.1% | 99.3% | |
| 188 | 0.1% | 99.2% | |
| 189 | 0.1% | 99.1% | |
| 190 | 0.1% | 99.1% | |
| 191 | 0.5% | 99.0% | |
| 192 | 0.1% | 98% | |
| 193 | 0.2% | 98% | |
| 194 | 0.1% | 98% | |
| 195 | 0.1% | 98% | |
| 196 | 0.4% | 98% | |
| 197 | 0.2% | 98% | |
| 198 | 0.5% | 98% | |
| 199 | 0.6% | 97% | |
| 200 | 0.3% | 96% | |
| 201 | 0.8% | 96% | |
| 202 | 0.3% | 95% | |
| 203 | 0.2% | 95% | |
| 204 | 0.9% | 95% | |
| 205 | 0.4% | 94% | |
| 206 | 0.2% | 93% | |
| 207 | 0.7% | 93% | |
| 208 | 1.2% | 93% | |
| 209 | 0.5% | 91% | |
| 210 | 3% | 91% | |
| 211 | 3% | 87% | |
| 212 | 2% | 84% | |
| 213 | 0.6% | 82% | |
| 214 | 3% | 82% | |
| 215 | 0.7% | 79% | |
| 216 | 0.2% | 78% | |
| 217 | 0.6% | 78% | |
| 218 | 2% | 77% | |
| 219 | 0.8% | 75% | |
| 220 | 0.4% | 74% | |
| 221 | 0.4% | 74% | |
| 222 | 0.7% | 74% | |
| 223 | 3% | 73% | |
| 224 | 4% | 70% | |
| 225 | 0.7% | 66% | |
| 226 | 0.4% | 66% | |
| 227 | 1.5% | 65% | |
| 228 | 2% | 64% | |
| 229 | 0.4% | 62% | |
| 230 | 7% | 61% | |
| 231 | 0.7% | 54% | |
| 232 | 5% | 54% | Median | 
| 233 | 1.4% | 49% | |
| 234 | 2% | 47% | |
| 235 | 0.5% | 45% | |
| 236 | 0.4% | 45% | |
| 237 | 2% | 44% | |
| 238 | 2% | 42% | |
| 239 | 2% | 41% | |
| 240 | 1.3% | 39% | |
| 241 | 1.3% | 38% | |
| 242 | 0.3% | 37% | |
| 243 | 0.3% | 36% | |
| 244 | 10% | 36% | |
| 245 | 2% | 26% | |
| 246 | 0.6% | 24% | |
| 247 | 1.2% | 23% | |
| 248 | 0.8% | 22% | |
| 249 | 1.0% | 21% | |
| 250 | 0.8% | 21% | |
| 251 | 0.6% | 20% | |
| 252 | 1.2% | 19% | |
| 253 | 1.4% | 18% | |
| 254 | 0.3% | 17% | |
| 255 | 0.2% | 16% | |
| 256 | 0.4% | 16% | |
| 257 | 2% | 16% | |
| 258 | 0.8% | 14% | |
| 259 | 1.0% | 13% | |
| 260 | 0.4% | 12% | |
| 261 | 0.5% | 12% | |
| 262 | 1.0% | 11% | Last Result | 
| 263 | 0.7% | 10% | |
| 264 | 0.3% | 10% | |
| 265 | 1.3% | 9% | |
| 266 | 0.4% | 8% | |
| 267 | 0.3% | 8% | |
| 268 | 0.6% | 7% | |
| 269 | 1.0% | 7% | |
| 270 | 0.4% | 6% | |
| 271 | 0.5% | 5% | |
| 272 | 1.2% | 5% | |
| 273 | 0.2% | 4% | |
| 274 | 0.5% | 3% | |
| 275 | 0.4% | 3% | |
| 276 | 0.4% | 2% | |
| 277 | 0.2% | 2% | |
| 278 | 0.3% | 2% | |
| 279 | 0.2% | 2% | |
| 280 | 0.4% | 1.4% | |
| 281 | 0.1% | 1.0% | |
| 282 | 0.4% | 0.9% | |
| 283 | 0.1% | 0.5% | |
| 284 | 0.1% | 0.4% | |
| 285 | 0.1% | 0.3% | |
| 286 | 0.1% | 0.3% | |
| 287 | 0% | 0.1% | |
| 288 | 0% | 0.1% | |
| 289 | 0% | 0.1% | |
| 290 | 0% | 0.1% | |
| 291 | 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 | 0% | 100% | Last Result | 
| 1 | 0% | 100% | |
| 2 | 0% | 100% | |
| 3 | 0% | 100% | |
| 4 | 0% | 100% | |
| 5 | 0% | 100% | |
| 6 | 0% | 100% | |
| 7 | 0% | 100% | |
| 8 | 0% | 100% | |
| 9 | 0% | 100% | |
| 10 | 0% | 100% | |
| 11 | 0% | 100% | |
| 12 | 0% | 100% | |
| 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 | 0.1% | 100% | |
| 23 | 0% | 99.9% | |
| 24 | 0.1% | 99.9% | |
| 25 | 0.3% | 99.7% | |
| 26 | 0.2% | 99.5% | |
| 27 | 0.2% | 99.2% | |
| 28 | 0.6% | 99.0% | |
| 29 | 1.0% | 98% | |
| 30 | 2% | 97% | |
| 31 | 5% | 95% | |
| 32 | 3% | 91% | |
| 33 | 4% | 87% | |
| 34 | 2% | 83% | |
| 35 | 2% | 81% | |
| 36 | 0.2% | 79% | |
| 37 | 2% | 79% | |
| 38 | 1.4% | 77% | |
| 39 | 2% | 76% | |
| 40 | 4% | 74% | |
| 41 | 7% | 70% | |
| 42 | 6% | 63% | |
| 43 | 0.8% | 57% | |
| 44 | 0.8% | 56% | |
| 45 | 7% | 55% | Median | 
| 46 | 2% | 49% | |
| 47 | 3% | 46% | |
| 48 | 2% | 43% | |
| 49 | 0.9% | 41% | |
| 50 | 2% | 40% | |
| 51 | 2% | 39% | |
| 52 | 1.2% | 37% | |
| 53 | 0.8% | 36% | |
| 54 | 0.8% | 35% | |
| 55 | 0.7% | 34% | |
| 56 | 14% | 33% | |
| 57 | 0.6% | 19% | |
| 58 | 0.5% | 19% | |
| 59 | 2% | 18% | |
| 60 | 1.0% | 16% | |
| 61 | 0.8% | 15% | |
| 62 | 0.3% | 14% | |
| 63 | 0.7% | 13% | |
| 64 | 1.2% | 13% | |
| 65 | 0.9% | 12% | |
| 66 | 1.0% | 11% | |
| 67 | 0.7% | 10% | |
| 68 | 0.6% | 9% | |
| 69 | 0.9% | 8% | |
| 70 | 0.8% | 7% | |
| 71 | 0.4% | 7% | |
| 72 | 0.5% | 6% | |
| 73 | 0.3% | 6% | |
| 74 | 0.2% | 5% | |
| 75 | 0.1% | 5% | |
| 76 | 0.3% | 5% | |
| 77 | 1.1% | 5% | |
| 78 | 0.1% | 4% | |
| 79 | 0.1% | 4% | |
| 80 | 0.1% | 4% | |
| 81 | 0.7% | 4% | |
| 82 | 0.2% | 3% | |
| 83 | 0.3% | 3% | |
| 84 | 0% | 2% | |
| 85 | 0.1% | 2% | |
| 86 | 0.1% | 2% | |
| 87 | 1.3% | 2% | |
| 88 | 0% | 0.8% | |
| 89 | 0.4% | 0.8% | |
| 90 | 0% | 0.4% | |
| 91 | 0.1% | 0.4% | |
| 92 | 0% | 0.3% | |
| 93 | 0% | 0.3% | |
| 94 | 0% | 0.2% | |
| 95 | 0% | 0.2% | |
| 96 | 0% | 0.2% | |
| 97 | 0.1% | 0.2% | |
| 98 | 0% | 0.2% | |
| 99 | 0% | 0.1% | |
| 100 | 0% | 0.1% | |
| 101 | 0% | 0.1% | |
| 102 | 0% | 0.1% | |
| 103 | 0% | 0.1% | |
| 104 | 0% | 0.1% | |
| 105 | 0% | 0.1% | |
| 106 | 0% | 0.1% | |
| 107 | 0% | 0% | 
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% | 100% | |
| 32 | 0% | 100% | |
| 33 | 0% | 100% | |
| 34 | 0% | 100% | |
| 35 | 0.2% | 100% | |
| 36 | 0.7% | 99.8% | |
| 37 | 2% | 99.1% | |
| 38 | 0.6% | 98% | |
| 39 | 3% | 97% | |
| 40 | 5% | 94% | |
| 41 | 4% | 89% | |
| 42 | 0.7% | 85% | |
| 43 | 1.4% | 84% | |
| 44 | 3% | 83% | |
| 45 | 3% | 80% | |
| 46 | 19% | 77% | |
| 47 | 2% | 58% | |
| 48 | 0.2% | 55% | |
| 49 | 0.8% | 55% | |
| 50 | 2% | 54% | |
| 51 | 8% | 53% | Median | 
| 52 | 5% | 45% | |
| 53 | 9% | 40% | |
| 54 | 2% | 31% | |
| 55 | 19% | 29% | |
| 56 | 4% | 10% | |
| 57 | 2% | 6% | |
| 58 | 3% | 4% | |
| 59 | 0.8% | 2% | |
| 60 | 0.5% | 1.0% | |
| 61 | 0% | 0.5% | |
| 62 | 0.1% | 0.5% | |
| 63 | 0.4% | 0.4% | |
| 64 | 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 | 0% | 100% | Last Result | 
| 2 | 88% | 100% | Median | 
| 3 | 9% | 12% | |
| 4 | 3% | 3% | |
| 5 | 0.2% | 0.2% | |
| 6 | 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 | 
|---|---|---|---|
| 25 | 0% | 100% | |
| 26 | 0% | 99.9% | |
| 27 | 0% | 99.9% | |
| 28 | 0% | 99.9% | |
| 29 | 0% | 99.9% | |
| 30 | 0% | 99.9% | |
| 31 | 0% | 99.9% | |
| 32 | 0% | 99.9% | |
| 33 | 0% | 99.9% | |
| 34 | 0% | 99.9% | |
| 35 | 0.2% | 99.9% | Last Result | 
| 36 | 0.2% | 99.7% | |
| 37 | 0% | 99.5% | |
| 38 | 0.1% | 99.5% | |
| 39 | 0.1% | 99.4% | |
| 40 | 0.1% | 99.3% | |
| 41 | 0.3% | 99.2% | |
| 42 | 0.1% | 98.9% | |
| 43 | 0.2% | 98.8% | |
| 44 | 0.5% | 98.6% | |
| 45 | 2% | 98% | |
| 46 | 2% | 96% | |
| 47 | 1.0% | 94% | |
| 48 | 4% | 93% | |
| 49 | 1.3% | 90% | |
| 50 | 12% | 88% | |
| 51 | 16% | 77% | |
| 52 | 0.8% | 61% | |
| 53 | 60% | 60% | Median | 
| 54 | 0.1% | 0.1% | |
| 55 | 0.1% | 0.1% | |
| 56 | 0% | 0% | 
Change UK
For a full overview of the results for this party, see the Change UK page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 0 | 100% | 100% | Last Result, Median | 
UK Independence Party
For a full overview of the results for this party, see the UK Independence Party page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 0 | 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 | 
|---|---|---|---|
| 0 | 0.4% | 100% | |
| 1 | 2% | 99.6% | |
| 2 | 4% | 98% | |
| 3 | 30% | 94% | |
| 4 | 55% | 63% | Last Result, Median | 
| 5 | 4% | 8% | |
| 6 | 1.2% | 4% | |
| 7 | 0.8% | 2% | |
| 8 | 2% | 2% | |
| 9 | 0.1% | 0.1% | |
| 10 | 0% | 0.1% | |
| 11 | 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 – Scottish National Party – Plaid Cymru | 313 | 340 | 69% | 309–369 | 302–377 | 297–383 | 285–392 | 
| Labour Party – Liberal Democrats – Scottish National Party | 309 | 336 | 65% | 306–366 | 298–374 | 293–380 | 280–389 | 
| Conservative Party – Scottish National Party – Plaid Cymru | 356 | 299 | 15% | 270–329 | 259–332 | 251–337 | 238–348 | 
| Conservative Party – Scottish National Party | 352 | 295 | 10% | 267–326 | 255–330 | 248–333 | 236–343 | 
| Labour Party – Liberal Democrats – Plaid Cymru | 278 | 289 | 4% | 259–317 | 252–325 | 246–331 | 235–340 | 
| Labour Party – Scottish National Party – Plaid Cymru | 301 | 287 | 4% | 263–319 | 258–325 | 252–330 | 240–339 | 
| Labour Party – Liberal Democrats – Change UK | 274 | 285 | 3% | 256–314 | 247–321 | 242–328 | 230–337 | 
| Labour Party – Liberal Democrats | 274 | 285 | 3% | 256–314 | 247–321 | 242–328 | 230–337 | 
| Labour Party – Scottish National Party | 297 | 283 | 3% | 260–315 | 254–322 | 249–327 | 237–335 | 
| Conservative Party – Liberal Democrats – Change UK | 329 | 293 | 3% | 267–319 | 257–322 | 248–326 | 240–336 | 
| Conservative Party – Liberal Democrats | 329 | 293 | 3% | 267–319 | 257–322 | 248–326 | 240–336 | 
| Conservative Party – Plaid Cymru | 321 | 247 | 0% | 219–279 | 208–281 | 198–286 | 188–298 | 
| Conservative Party – Change UK | 317 | 244 | 0% | 215–276 | 204–278 | 195–282 | 185–294 | 
| Conservative Party | 317 | 244 | 0% | 215–276 | 204–278 | 195–282 | 185–294 | 
| Labour Party – Plaid Cymru | 266 | 236 | 0% | 213–267 | 206–274 | 201–278 | 189–287 | 
| Labour Party – Change UK | 262 | 232 | 0% | 210–263 | 202–271 | 198–275 | 185–283 | 
| Labour Party | 262 | 232 | 0% | 210–263 | 202–271 | 198–275 | 185–283 | 
Labour Party – Liberal Democrats – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 269 | 0% | 100% | |
| 270 | 0% | 99.9% | |
| 271 | 0% | 99.9% | |
| 272 | 0% | 99.9% | |
| 273 | 0% | 99.9% | |
| 274 | 0% | 99.9% | |
| 275 | 0.1% | 99.9% | |
| 276 | 0% | 99.8% | |
| 277 | 0% | 99.8% | |
| 278 | 0% | 99.8% | |
| 279 | 0% | 99.8% | |
| 280 | 0% | 99.8% | |
| 281 | 0% | 99.7% | |
| 282 | 0% | 99.7% | |
| 283 | 0.1% | 99.7% | |
| 284 | 0% | 99.6% | |
| 285 | 0.1% | 99.6% | |
| 286 | 0.1% | 99.5% | |
| 287 | 0.1% | 99.4% | |
| 288 | 0.1% | 99.3% | |
| 289 | 0% | 99.2% | |
| 290 | 0.3% | 99.2% | |
| 291 | 0.1% | 98.9% | |
| 292 | 0.2% | 98.8% | |
| 293 | 0.2% | 98.6% | |
| 294 | 0.6% | 98% | |
| 295 | 0.1% | 98% | |
| 296 | 0.1% | 98% | |
| 297 | 0.2% | 98% | |
| 298 | 0.4% | 97% | |
| 299 | 0.2% | 97% | |
| 300 | 0.5% | 97% | |
| 301 | 1.0% | 96% | |
| 302 | 0.4% | 95% | |
| 303 | 0.6% | 95% | |
| 304 | 0.4% | 94% | |
| 305 | 1.1% | 94% | |
| 306 | 0.1% | 93% | |
| 307 | 0.5% | 93% | |
| 308 | 0.4% | 92% | |
| 309 | 3% | 92% | |
| 310 | 0.4% | 88% | |
| 311 | 1.0% | 88% | |
| 312 | 0.5% | 87% | |
| 313 | 2% | 86% | Last Result | 
| 314 | 2% | 85% | |
| 315 | 1.0% | 82% | |
| 316 | 3% | 81% | |
| 317 | 1.3% | 78% | |
| 318 | 0.4% | 77% | |
| 319 | 0.9% | 76% | |
| 320 | 2% | 75% | |
| 321 | 0.2% | 74% | |
| 322 | 1.2% | 74% | |
| 323 | 0.4% | 72% | |
| 324 | 1.0% | 72% | |
| 325 | 2% | 71% | |
| 326 | 1.4% | 69% | Majority | 
| 327 | 0.9% | 67% | |
| 328 | 0.9% | 67% | |
| 329 | 0.6% | 66% | |
| 330 | 0.3% | 65% | |
| 331 | 3% | 65% | |
| 332 | 2% | 62% | |
| 333 | 0.5% | 60% | |
| 334 | 1.1% | 59% | |
| 335 | 2% | 58% | |
| 336 | 2% | 57% | |
| 337 | 2% | 55% | |
| 338 | 0.6% | 53% | |
| 339 | 0.5% | 52% | |
| 340 | 4% | 52% | Median | 
| 341 | 0.7% | 47% | |
| 342 | 5% | 47% | |
| 343 | 1.2% | 42% | |
| 344 | 2% | 41% | |
| 345 | 0.7% | 39% | |
| 346 | 2% | 38% | |
| 347 | 0.3% | 36% | |
| 348 | 0.6% | 36% | |
| 349 | 0.5% | 35% | |
| 350 | 1.4% | 35% | |
| 351 | 0.1% | 33% | |
| 352 | 2% | 33% | |
| 353 | 0.7% | 32% | |
| 354 | 1.3% | 31% | |
| 355 | 0.5% | 30% | |
| 356 | 10% | 29% | |
| 357 | 1.2% | 19% | |
| 358 | 0.1% | 18% | |
| 359 | 0.3% | 18% | |
| 360 | 0.3% | 17% | |
| 361 | 1.0% | 17% | |
| 362 | 0.4% | 16% | |
| 363 | 0.5% | 16% | |
| 364 | 2% | 15% | |
| 365 | 1.4% | 13% | |
| 366 | 0.4% | 12% | |
| 367 | 0.7% | 12% | |
| 368 | 0.5% | 11% | |
| 369 | 1.0% | 10% | |
| 370 | 0.9% | 9% | |
| 371 | 0.1% | 9% | |
| 372 | 0.9% | 8% | |
| 373 | 0.8% | 8% | |
| 374 | 0.4% | 7% | |
| 375 | 0.9% | 6% | |
| 376 | 0.3% | 5% | |
| 377 | 0.1% | 5% | |
| 378 | 0.8% | 5% | |
| 379 | 0.4% | 4% | |
| 380 | 0.6% | 4% | |
| 381 | 0.2% | 3% | |
| 382 | 0.1% | 3% | |
| 383 | 0.3% | 3% | |
| 384 | 1.0% | 2% | |
| 385 | 0.1% | 1.5% | |
| 386 | 0.1% | 1.4% | |
| 387 | 0.1% | 1.3% | |
| 388 | 0.1% | 1.2% | |
| 389 | 0% | 1.1% | |
| 390 | 0.2% | 1.1% | |
| 391 | 0.2% | 0.9% | |
| 392 | 0.2% | 0.7% | |
| 393 | 0.1% | 0.5% | |
| 394 | 0.1% | 0.3% | |
| 395 | 0% | 0.2% | |
| 396 | 0.1% | 0.2% | |
| 397 | 0% | 0.1% | |
| 398 | 0% | 0.1% | |
| 399 | 0% | 0.1% | |
| 400 | 0% | 0.1% | |
| 401 | 0% | 0% | 
Labour Party – Liberal Democrats – Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 265 | 0% | 100% | |
| 266 | 0% | 99.9% | |
| 267 | 0% | 99.9% | |
| 268 | 0% | 99.9% | |
| 269 | 0% | 99.9% | |
| 270 | 0% | 99.9% | |
| 271 | 0.1% | 99.9% | |
| 272 | 0% | 99.8% | |
| 273 | 0% | 99.8% | |
| 274 | 0% | 99.8% | |
| 275 | 0% | 99.8% | |
| 276 | 0% | 99.8% | |
| 277 | 0.1% | 99.7% | |
| 278 | 0.1% | 99.7% | |
| 279 | 0% | 99.6% | |
| 280 | 0% | 99.5% | |
| 281 | 0% | 99.5% | |
| 282 | 0.1% | 99.5% | |
| 283 | 0% | 99.4% | |
| 284 | 0.1% | 99.3% | |
| 285 | 0.1% | 99.3% | |
| 286 | 0% | 99.2% | |
| 287 | 0.3% | 99.2% | |
| 288 | 0.1% | 98.8% | |
| 289 | 0.1% | 98.7% | |
| 290 | 0.7% | 98.5% | |
| 291 | 0.1% | 98% | |
| 292 | 0.1% | 98% | |
| 293 | 0.2% | 98% | |
| 294 | 0.2% | 97% | |
| 295 | 0.3% | 97% | |
| 296 | 0.2% | 97% | |
| 297 | 0.6% | 97% | |
| 298 | 1.2% | 96% | |
| 299 | 0.5% | 95% | |
| 300 | 0.4% | 94% | |
| 301 | 0.5% | 94% | |
| 302 | 0.2% | 93% | |
| 303 | 0.7% | 93% | |
| 304 | 0.6% | 93% | |
| 305 | 0.4% | 92% | |
| 306 | 3% | 91% | |
| 307 | 1.1% | 88% | |
| 308 | 0.9% | 87% | |
| 309 | 0.2% | 86% | Last Result | 
| 310 | 3% | 86% | |
| 311 | 1.2% | 83% | |
| 312 | 0.7% | 82% | |
| 313 | 4% | 81% | |
| 314 | 0.3% | 77% | |
| 315 | 0.9% | 76% | |
| 316 | 1.1% | 75% | |
| 317 | 0.8% | 74% | |
| 318 | 1.0% | 74% | |
| 319 | 0.5% | 73% | |
| 320 | 0.2% | 72% | |
| 321 | 3% | 72% | |
| 322 | 1.4% | 69% | |
| 323 | 0.8% | 67% | |
| 324 | 0.7% | 67% | |
| 325 | 1.0% | 66% | |
| 326 | 0.1% | 65% | Majority | 
| 327 | 0.3% | 65% | |
| 328 | 3% | 65% | |
| 329 | 2% | 61% | |
| 330 | 2% | 60% | |
| 331 | 2% | 58% | |
| 332 | 2% | 56% | |
| 333 | 2% | 54% | |
| 334 | 0.6% | 53% | |
| 335 | 0.4% | 52% | |
| 336 | 4% | 52% | Median | 
| 337 | 1.0% | 48% | |
| 338 | 5% | 47% | |
| 339 | 0.5% | 42% | |
| 340 | 0.8% | 41% | |
| 341 | 2% | 40% | |
| 342 | 2% | 38% | |
| 343 | 0.7% | 37% | |
| 344 | 0.4% | 36% | |
| 345 | 0.8% | 35% | |
| 346 | 1.3% | 35% | |
| 347 | 0.2% | 33% | |
| 348 | 0.7% | 33% | |
| 349 | 1.5% | 32% | |
| 350 | 1.4% | 31% | |
| 351 | 0.2% | 30% | |
| 352 | 11% | 29% | |
| 353 | 1.1% | 19% | |
| 354 | 0.4% | 18% | |
| 355 | 0.1% | 17% | |
| 356 | 0.3% | 17% | |
| 357 | 0.7% | 17% | |
| 358 | 0.5% | 16% | |
| 359 | 0.6% | 16% | |
| 360 | 1.1% | 15% | |
| 361 | 2% | 14% | |
| 362 | 0.6% | 12% | |
| 363 | 0.6% | 12% | |
| 364 | 0.6% | 11% | |
| 365 | 0.5% | 11% | |
| 366 | 0.6% | 10% | |
| 367 | 1.1% | 9% | |
| 368 | 0.2% | 8% | |
| 369 | 0.8% | 8% | |
| 370 | 0.7% | 7% | |
| 371 | 0.3% | 7% | |
| 372 | 1.2% | 6% | |
| 373 | 0.2% | 5% | |
| 374 | 0.8% | 5% | |
| 375 | 0.3% | 4% | |
| 376 | 0.2% | 4% | |
| 377 | 0.3% | 4% | |
| 378 | 0.3% | 3% | |
| 379 | 0.5% | 3% | |
| 380 | 0.4% | 3% | |
| 381 | 0.7% | 2% | |
| 382 | 0.1% | 2% | |
| 383 | 0.1% | 1.4% | |
| 384 | 0.1% | 1.3% | |
| 385 | 0.1% | 1.2% | |
| 386 | 0.2% | 1.1% | |
| 387 | 0.1% | 0.9% | |
| 388 | 0.1% | 0.8% | |
| 389 | 0.2% | 0.7% | |
| 390 | 0.2% | 0.5% | |
| 391 | 0.1% | 0.3% | |
| 392 | 0% | 0.2% | |
| 393 | 0.1% | 0.2% | |
| 394 | 0% | 0.1% | |
| 395 | 0% | 0.1% | |
| 396 | 0% | 0.1% | |
| 397 | 0% | 0.1% | |
| 398 | 0% | 0% | 
Conservative Party – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 231 | 0% | 100% | |
| 232 | 0% | 99.9% | |
| 233 | 0% | 99.9% | |
| 234 | 0% | 99.9% | |
| 235 | 0% | 99.8% | |
| 236 | 0% | 99.8% | |
| 237 | 0% | 99.8% | |
| 238 | 0.2% | 99.7% | |
| 239 | 0% | 99.5% | |
| 240 | 0% | 99.5% | |
| 241 | 0.1% | 99.5% | |
| 242 | 0.2% | 99.4% | |
| 243 | 0.1% | 99.2% | |
| 244 | 0.6% | 99.0% | |
| 245 | 0.1% | 98% | |
| 246 | 0% | 98% | |
| 247 | 0.1% | 98% | |
| 248 | 0.1% | 98% | |
| 249 | 0.2% | 98% | |
| 250 | 0.1% | 98% | |
| 251 | 0.5% | 98% | |
| 252 | 0.2% | 97% | |
| 253 | 0.4% | 97% | |
| 254 | 0.2% | 97% | |
| 255 | 0.1% | 97% | |
| 256 | 0% | 97% | |
| 257 | 0.8% | 97% | |
| 258 | 0.3% | 96% | |
| 259 | 1.1% | 95% | |
| 260 | 0.5% | 94% | |
| 261 | 0.4% | 94% | |
| 262 | 0.6% | 93% | |
| 263 | 0.2% | 93% | |
| 264 | 0.4% | 93% | |
| 265 | 0.2% | 92% | |
| 266 | 0.2% | 92% | |
| 267 | 0.3% | 92% | |
| 268 | 0.4% | 92% | |
| 269 | 0.6% | 91% | |
| 270 | 0.8% | 91% | |
| 271 | 0.3% | 90% | |
| 272 | 2% | 90% | |
| 273 | 0.4% | 88% | |
| 274 | 10% | 87% | |
| 275 | 1.4% | 77% | |
| 276 | 0.4% | 76% | |
| 277 | 0.6% | 75% | |
| 278 | 0.4% | 75% | |
| 279 | 2% | 74% | |
| 280 | 0.2% | 72% | |
| 281 | 0.6% | 72% | |
| 282 | 0.6% | 71% | |
| 283 | 0.5% | 70% | |
| 284 | 0.7% | 70% | |
| 285 | 0.8% | 69% | |
| 286 | 1.0% | 68% | |
| 287 | 1.4% | 68% | |
| 288 | 6% | 66% | |
| 289 | 0.8% | 60% | |
| 290 | 1.2% | 60% | |
| 291 | 0.4% | 58% | |
| 292 | 1.0% | 58% | |
| 293 | 1.2% | 57% | |
| 294 | 0.6% | 56% | |
| 295 | 1.2% | 55% | |
| 296 | 0.5% | 54% | |
| 297 | 0.9% | 53% | |
| 298 | 2% | 53% | |
| 299 | 1.1% | 50% | |
| 300 | 0.6% | 49% | |
| 301 | 1.3% | 49% | Median | 
| 302 | 4% | 47% | |
| 303 | 2% | 43% | |
| 304 | 0.4% | 41% | |
| 305 | 2% | 40% | |
| 306 | 0.6% | 38% | |
| 307 | 0.4% | 38% | |
| 308 | 0.5% | 37% | |
| 309 | 0.8% | 37% | |
| 310 | 2% | 36% | |
| 311 | 0.8% | 34% | |
| 312 | 2% | 33% | |
| 313 | 4% | 31% | |
| 314 | 2% | 27% | |
| 315 | 0.8% | 26% | |
| 316 | 0.3% | 25% | |
| 317 | 0.9% | 25% | |
| 318 | 2% | 24% | |
| 319 | 2% | 22% | |
| 320 | 0.6% | 20% | |
| 321 | 0.4% | 19% | |
| 322 | 2% | 19% | |
| 323 | 0.8% | 17% | |
| 324 | 1.5% | 17% | |
| 325 | 0.5% | 15% | |
| 326 | 0.4% | 15% | Majority | 
| 327 | 3% | 14% | |
| 328 | 0.3% | 11% | |
| 329 | 4% | 11% | |
| 330 | 0.5% | 7% | |
| 331 | 1.0% | 7% | |
| 332 | 1.0% | 6% | |
| 333 | 0.4% | 5% | |
| 334 | 0.5% | 4% | |
| 335 | 0.6% | 4% | |
| 336 | 0.7% | 3% | |
| 337 | 0.7% | 3% | |
| 338 | 0.1% | 2% | |
| 339 | 0.1% | 2% | |
| 340 | 0.2% | 2% | |
| 341 | 0.1% | 1.5% | |
| 342 | 0.2% | 1.3% | |
| 343 | 0.2% | 1.2% | |
| 344 | 0.1% | 1.0% | |
| 345 | 0.1% | 0.9% | |
| 346 | 0.2% | 0.8% | |
| 347 | 0.1% | 0.6% | |
| 348 | 0.1% | 0.5% | |
| 349 | 0.1% | 0.4% | |
| 350 | 0% | 0.3% | |
| 351 | 0% | 0.3% | |
| 352 | 0.1% | 0.3% | |
| 353 | 0% | 0.2% | |
| 354 | 0% | 0.1% | |
| 355 | 0% | 0.1% | |
| 356 | 0% | 0.1% | Last Result | 
| 357 | 0% | 0.1% | |
| 358 | 0% | 0.1% | |
| 359 | 0% | 0.1% | |
| 360 | 0% | 0% | 
Conservative Party – Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 228 | 0% | 100% | |
| 229 | 0.1% | 99.9% | |
| 230 | 0% | 99.9% | |
| 231 | 0% | 99.9% | |
| 232 | 0% | 99.8% | |
| 233 | 0.1% | 99.8% | |
| 234 | 0% | 99.7% | |
| 235 | 0.2% | 99.7% | |
| 236 | 0.1% | 99.5% | |
| 237 | 0.1% | 99.5% | |
| 238 | 0% | 99.4% | |
| 239 | 0.3% | 99.4% | |
| 240 | 0.2% | 99.1% | |
| 241 | 0.4% | 98.8% | |
| 242 | 0.1% | 98% | |
| 243 | 0.1% | 98% | |
| 244 | 0% | 98% | |
| 245 | 0.1% | 98% | |
| 246 | 0.2% | 98% | |
| 247 | 0% | 98% | |
| 248 | 0.6% | 98% | |
| 249 | 0.3% | 97% | |
| 250 | 0.1% | 97% | |
| 251 | 0.2% | 97% | |
| 252 | 0.3% | 97% | |
| 253 | 0.7% | 96% | |
| 254 | 0.6% | 96% | |
| 255 | 0.3% | 95% | |
| 256 | 0.9% | 95% | |
| 257 | 0.5% | 94% | |
| 258 | 0.5% | 94% | |
| 259 | 0.2% | 93% | |
| 260 | 0.4% | 93% | |
| 261 | 0.5% | 93% | |
| 262 | 0.1% | 92% | |
| 263 | 0.1% | 92% | |
| 264 | 0.3% | 92% | |
| 265 | 0.6% | 91% | |
| 266 | 0.7% | 91% | |
| 267 | 0.2% | 90% | |
| 268 | 2% | 90% | |
| 269 | 0.6% | 88% | |
| 270 | 10% | 87% | |
| 271 | 0.5% | 77% | |
| 272 | 0.9% | 77% | |
| 273 | 0.7% | 76% | |
| 274 | 0.5% | 75% | |
| 275 | 2% | 74% | |
| 276 | 0.4% | 73% | |
| 277 | 0.7% | 72% | |
| 278 | 0.9% | 71% | |
| 279 | 0.4% | 71% | |
| 280 | 0.7% | 70% | |
| 281 | 1.0% | 70% | |
| 282 | 1.2% | 69% | |
| 283 | 1.2% | 67% | |
| 284 | 5% | 66% | |
| 285 | 1.4% | 61% | |
| 286 | 1.2% | 60% | |
| 287 | 0.6% | 59% | |
| 288 | 0.9% | 58% | |
| 289 | 1.1% | 57% | |
| 290 | 0.8% | 56% | |
| 291 | 0.5% | 55% | |
| 292 | 1.4% | 55% | |
| 293 | 1.0% | 53% | |
| 294 | 1.1% | 52% | |
| 295 | 1.4% | 51% | |
| 296 | 0.9% | 50% | |
| 297 | 1.4% | 49% | Median | 
| 298 | 4% | 47% | |
| 299 | 2% | 43% | |
| 300 | 0.4% | 41% | |
| 301 | 2% | 40% | |
| 302 | 0.6% | 38% | |
| 303 | 0.3% | 38% | |
| 304 | 0.9% | 38% | |
| 305 | 0.9% | 37% | |
| 306 | 0.2% | 36% | |
| 307 | 2% | 36% | |
| 308 | 1.3% | 33% | |
| 309 | 2% | 32% | |
| 310 | 4% | 30% | |
| 311 | 0.6% | 26% | |
| 312 | 0.7% | 25% | |
| 313 | 0.9% | 25% | |
| 314 | 3% | 24% | |
| 315 | 0.4% | 21% | |
| 316 | 0.8% | 21% | |
| 317 | 0.4% | 20% | |
| 318 | 1.1% | 19% | |
| 319 | 0.9% | 18% | |
| 320 | 1.2% | 17% | |
| 321 | 1.5% | 16% | |
| 322 | 0.5% | 15% | |
| 323 | 3% | 14% | |
| 324 | 0.5% | 11% | |
| 325 | 0.6% | 11% | |
| 326 | 4% | 10% | Majority | 
| 327 | 0.7% | 7% | |
| 328 | 0.6% | 6% | |
| 329 | 0.1% | 5% | |
| 330 | 0.9% | 5% | |
| 331 | 0.8% | 4% | |
| 332 | 0.6% | 3% | |
| 333 | 0.7% | 3% | |
| 334 | 0.5% | 2% | |
| 335 | 0.1% | 2% | |
| 336 | 0.2% | 2% | |
| 337 | 0.1% | 1.4% | |
| 338 | 0.2% | 1.3% | |
| 339 | 0.3% | 1.1% | |
| 340 | 0.1% | 0.9% | |
| 341 | 0.1% | 0.8% | |
| 342 | 0.1% | 0.7% | |
| 343 | 0.1% | 0.6% | |
| 344 | 0.2% | 0.5% | |
| 345 | 0.1% | 0.3% | |
| 346 | 0% | 0.2% | |
| 347 | 0% | 0.2% | |
| 348 | 0% | 0.2% | |
| 349 | 0% | 0.2% | |
| 350 | 0% | 0.1% | |
| 351 | 0% | 0.1% | |
| 352 | 0% | 0.1% | Last Result | 
| 353 | 0% | 0.1% | |
| 354 | 0% | 0.1% | |
| 355 | 0% | 0% | 
Labour Party – Liberal Democrats – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 219 | 0% | 100% | |
| 220 | 0% | 99.9% | |
| 221 | 0% | 99.9% | |
| 222 | 0.1% | 99.9% | |
| 223 | 0% | 99.9% | |
| 224 | 0% | 99.9% | |
| 225 | 0% | 99.9% | |
| 226 | 0% | 99.8% | |
| 227 | 0% | 99.8% | |
| 228 | 0% | 99.8% | |
| 229 | 0% | 99.8% | |
| 230 | 0% | 99.8% | |
| 231 | 0% | 99.7% | |
| 232 | 0.1% | 99.7% | |
| 233 | 0% | 99.6% | |
| 234 | 0.1% | 99.6% | |
| 235 | 0.1% | 99.6% | |
| 236 | 0% | 99.5% | |
| 237 | 0.1% | 99.4% | |
| 238 | 0.1% | 99.3% | |
| 239 | 0.3% | 99.2% | |
| 240 | 0% | 98.9% | |
| 241 | 0.5% | 98.9% | |
| 242 | 0.2% | 98% | |
| 243 | 0.2% | 98% | |
| 244 | 0.1% | 98% | |
| 245 | 0.3% | 98% | |
| 246 | 0.2% | 98% | |
| 247 | 0.6% | 97% | |
| 248 | 0.6% | 97% | |
| 249 | 0.4% | 96% | |
| 250 | 0.4% | 96% | |
| 251 | 0.4% | 95% | |
| 252 | 0.9% | 95% | |
| 253 | 0.7% | 94% | |
| 254 | 0.4% | 93% | |
| 255 | 0.7% | 93% | |
| 256 | 0% | 92% | |
| 257 | 0.1% | 92% | |
| 258 | 0.9% | 92% | |
| 259 | 4% | 91% | |
| 260 | 2% | 87% | |
| 261 | 2% | 86% | |
| 262 | 1.1% | 84% | |
| 263 | 3% | 83% | |
| 264 | 0.3% | 79% | |
| 265 | 0.6% | 79% | |
| 266 | 2% | 78% | |
| 267 | 2% | 77% | |
| 268 | 0.3% | 75% | |
| 269 | 0.5% | 75% | |
| 270 | 0.2% | 74% | |
| 271 | 0.9% | 74% | |
| 272 | 0.6% | 73% | |
| 273 | 1.1% | 72% | |
| 274 | 0.8% | 71% | |
| 275 | 3% | 70% | |
| 276 | 0.3% | 68% | |
| 277 | 0.5% | 68% | |
| 278 | 4% | 67% | Last Result | 
| 279 | 2% | 64% | |
| 280 | 0.5% | 62% | |
| 281 | 0.6% | 61% | |
| 282 | 1.1% | 60% | |
| 283 | 1.0% | 59% | |
| 284 | 3% | 58% | |
| 285 | 0.6% | 55% | |
| 286 | 0.4% | 55% | |
| 287 | 0.3% | 54% | Median | 
| 288 | 0.9% | 54% | |
| 289 | 9% | 53% | |
| 290 | 2% | 44% | |
| 291 | 0.5% | 42% | |
| 292 | 0.9% | 41% | |
| 293 | 2% | 41% | |
| 294 | 0.4% | 38% | |
| 295 | 1.3% | 38% | |
| 296 | 0.4% | 36% | |
| 297 | 1.2% | 36% | |
| 298 | 0.2% | 35% | |
| 299 | 1.0% | 35% | |
| 300 | 1.0% | 34% | |
| 301 | 1.2% | 33% | |
| 302 | 0.7% | 31% | |
| 303 | 11% | 31% | |
| 304 | 0.8% | 20% | |
| 305 | 0.2% | 19% | |
| 306 | 0.5% | 19% | |
| 307 | 0.7% | 19% | |
| 308 | 1.0% | 18% | |
| 309 | 0.7% | 17% | |
| 310 | 0.5% | 16% | |
| 311 | 1.4% | 16% | |
| 312 | 1.1% | 14% | |
| 313 | 0.2% | 13% | |
| 314 | 0.7% | 13% | |
| 315 | 0.7% | 12% | |
| 316 | 2% | 12% | |
| 317 | 0.2% | 10% | |
| 318 | 0.2% | 10% | |
| 319 | 0.9% | 10% | |
| 320 | 0.5% | 9% | |
| 321 | 0.4% | 8% | |
| 322 | 1.5% | 8% | |
| 323 | 0.5% | 6% | |
| 324 | 0.5% | 6% | |
| 325 | 0.8% | 5% | |
| 326 | 0.4% | 4% | Majority | 
| 327 | 0.7% | 4% | |
| 328 | 0.3% | 3% | |
| 329 | 0.1% | 3% | |
| 330 | 0.4% | 3% | |
| 331 | 0.7% | 3% | |
| 332 | 0.2% | 2% | |
| 333 | 0.2% | 2% | |
| 334 | 0.1% | 2% | |
| 335 | 0.1% | 2% | |
| 336 | 0.3% | 1.4% | |
| 337 | 0.2% | 1.2% | |
| 338 | 0.2% | 1.0% | |
| 339 | 0.2% | 0.8% | |
| 340 | 0.1% | 0.5% | |
| 341 | 0.1% | 0.4% | |
| 342 | 0% | 0.3% | |
| 343 | 0.1% | 0.2% | |
| 344 | 0% | 0.2% | |
| 345 | 0% | 0.1% | |
| 346 | 0% | 0.1% | |
| 347 | 0% | 0.1% | |
| 348 | 0% | 0.1% | |
| 349 | 0% | 0% | 
Labour Party – Scottish National Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 224 | 0% | 100% | |
| 225 | 0% | 99.9% | |
| 226 | 0% | 99.9% | |
| 227 | 0% | 99.9% | |
| 228 | 0.1% | 99.9% | |
| 229 | 0% | 99.9% | |
| 230 | 0% | 99.8% | |
| 231 | 0% | 99.8% | |
| 232 | 0% | 99.8% | |
| 233 | 0% | 99.8% | |
| 234 | 0% | 99.8% | |
| 235 | 0% | 99.8% | |
| 236 | 0% | 99.7% | |
| 237 | 0% | 99.7% | |
| 238 | 0.1% | 99.7% | |
| 239 | 0% | 99.6% | |
| 240 | 0.1% | 99.6% | |
| 241 | 0% | 99.5% | |
| 242 | 0.3% | 99.4% | |
| 243 | 0.1% | 99.1% | |
| 244 | 0.1% | 99.0% | |
| 245 | 0.3% | 99.0% | |
| 246 | 0.2% | 98.7% | |
| 247 | 0.2% | 98.5% | |
| 248 | 0.2% | 98% | |
| 249 | 0.1% | 98% | |
| 250 | 0.1% | 98% | |
| 251 | 0.1% | 98% | |
| 252 | 0.4% | 98% | |
| 253 | 0.1% | 97% | |
| 254 | 0.8% | 97% | |
| 255 | 0.8% | 97% | |
| 256 | 0.4% | 96% | |
| 257 | 0.1% | 95% | |
| 258 | 0.6% | 95% | |
| 259 | 0.9% | 95% | |
| 260 | 0.3% | 94% | |
| 261 | 0.7% | 93% | |
| 262 | 0.2% | 93% | |
| 263 | 4% | 92% | |
| 264 | 0.2% | 88% | |
| 265 | 0.7% | 88% | |
| 266 | 0.6% | 87% | |
| 267 | 2% | 87% | |
| 268 | 2% | 85% | |
| 269 | 2% | 83% | |
| 270 | 3% | 81% | |
| 271 | 1.4% | 78% | |
| 272 | 0.6% | 76% | |
| 273 | 0.5% | 76% | |
| 274 | 1.1% | 75% | |
| 275 | 0.8% | 74% | |
| 276 | 0.8% | 73% | |
| 277 | 0.2% | 72% | |
| 278 | 4% | 72% | |
| 279 | 0.7% | 69% | |
| 280 | 4% | 68% | |
| 281 | 0.5% | 64% | |
| 282 | 0.9% | 63% | |
| 283 | 0.7% | 63% | |
| 284 | 2% | 62% | |
| 285 | 1.0% | 60% | |
| 286 | 0.8% | 59% | |
| 287 | 9% | 58% | |
| 288 | 1.1% | 48% | |
| 289 | 0.9% | 47% | Median | 
| 290 | 1.0% | 47% | |
| 291 | 4% | 46% | |
| 292 | 0.3% | 42% | |
| 293 | 0.7% | 42% | |
| 294 | 1.0% | 41% | |
| 295 | 1.2% | 40% | |
| 296 | 0.9% | 39% | |
| 297 | 0.7% | 38% | |
| 298 | 2% | 37% | |
| 299 | 0.3% | 35% | |
| 300 | 0.4% | 35% | |
| 301 | 10% | 35% | Last Result | 
| 302 | 3% | 24% | |
| 303 | 0.4% | 22% | |
| 304 | 0.4% | 21% | |
| 305 | 1.3% | 21% | |
| 306 | 1.1% | 20% | |
| 307 | 0.2% | 19% | |
| 308 | 0.3% | 18% | |
| 309 | 1.0% | 18% | |
| 310 | 0.8% | 17% | |
| 311 | 0.4% | 16% | |
| 312 | 0.9% | 16% | |
| 313 | 2% | 15% | |
| 314 | 0.8% | 13% | |
| 315 | 0.5% | 12% | |
| 316 | 0.3% | 11% | |
| 317 | 0.5% | 11% | |
| 318 | 0.4% | 11% | |
| 319 | 0.3% | 10% | |
| 320 | 1.1% | 10% | |
| 321 | 0.4% | 9% | |
| 322 | 1.2% | 8% | |
| 323 | 0.5% | 7% | |
| 324 | 0.4% | 7% | |
| 325 | 2% | 6% | |
| 326 | 0.3% | 4% | Majority | 
| 327 | 0.5% | 4% | |
| 328 | 0.3% | 4% | |
| 329 | 0.6% | 3% | |
| 330 | 0.2% | 3% | |
| 331 | 0.4% | 2% | |
| 332 | 0.2% | 2% | |
| 333 | 0.1% | 2% | |
| 334 | 0.1% | 2% | |
| 335 | 0.3% | 2% | |
| 336 | 0.2% | 1.2% | |
| 337 | 0.1% | 1.0% | |
| 338 | 0.2% | 0.8% | |
| 339 | 0.2% | 0.6% | |
| 340 | 0.2% | 0.4% | |
| 341 | 0% | 0.2% | |
| 342 | 0.1% | 0.2% | |
| 343 | 0% | 0.1% | |
| 344 | 0% | 0.1% | |
| 345 | 0% | 0% | 
Labour Party – Liberal Democrats – Change UK

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 216 | 0% | 100% | |
| 217 | 0% | 99.9% | |
| 218 | 0.1% | 99.9% | |
| 219 | 0% | 99.9% | |
| 220 | 0% | 99.9% | |
| 221 | 0% | 99.9% | |
| 222 | 0% | 99.8% | |
| 223 | 0% | 99.8% | |
| 224 | 0% | 99.8% | |
| 225 | 0% | 99.8% | |
| 226 | 0% | 99.8% | |
| 227 | 0% | 99.8% | |
| 228 | 0% | 99.7% | |
| 229 | 0.1% | 99.7% | |
| 230 | 0.1% | 99.6% | |
| 231 | 0.1% | 99.5% | |
| 232 | 0.1% | 99.4% | |
| 233 | 0.1% | 99.4% | |
| 234 | 0.1% | 99.3% | |
| 235 | 0.1% | 99.3% | |
| 236 | 0.3% | 99.2% | |
| 237 | 0.5% | 98.9% | |
| 238 | 0.1% | 98% | |
| 239 | 0.2% | 98% | |
| 240 | 0.1% | 98% | |
| 241 | 0.1% | 98% | |
| 242 | 0.3% | 98% | |
| 243 | 0.3% | 97% | |
| 244 | 0.5% | 97% | |
| 245 | 0.8% | 97% | |
| 246 | 0.2% | 96% | |
| 247 | 0.7% | 96% | |
| 248 | 0.3% | 95% | |
| 249 | 0.7% | 95% | |
| 250 | 0.8% | 94% | |
| 251 | 0.8% | 93% | |
| 252 | 0.2% | 92% | |
| 253 | 0.1% | 92% | |
| 254 | 0.9% | 92% | |
| 255 | 0.3% | 91% | |
| 256 | 3% | 91% | |
| 257 | 3% | 87% | |
| 258 | 2% | 84% | |
| 259 | 0.2% | 82% | |
| 260 | 3% | 82% | |
| 261 | 0.8% | 79% | |
| 262 | 1.2% | 78% | |
| 263 | 1.2% | 77% | |
| 264 | 1.1% | 76% | |
| 265 | 0.6% | 75% | |
| 266 | 0.3% | 74% | |
| 267 | 0.8% | 74% | |
| 268 | 0.6% | 73% | |
| 269 | 1.2% | 73% | |
| 270 | 1.2% | 71% | |
| 271 | 3% | 70% | |
| 272 | 0.3% | 68% | |
| 273 | 0.9% | 67% | |
| 274 | 0.2% | 66% | Last Result | 
| 275 | 3% | 66% | |
| 276 | 2% | 63% | |
| 277 | 1.0% | 61% | |
| 278 | 0.9% | 60% | |
| 279 | 0.5% | 59% | |
| 280 | 4% | 59% | |
| 281 | 0.5% | 55% | |
| 282 | 0.5% | 55% | |
| 283 | 0.2% | 54% | Median | 
| 284 | 0.9% | 54% | |
| 285 | 9% | 53% | |
| 286 | 2% | 44% | |
| 287 | 0.7% | 42% | |
| 288 | 0.4% | 41% | |
| 289 | 1.0% | 41% | |
| 290 | 2% | 40% | |
| 291 | 1.3% | 38% | |
| 292 | 0.5% | 37% | |
| 293 | 1.2% | 36% | |
| 294 | 0.4% | 35% | |
| 295 | 0.7% | 34% | |
| 296 | 1.0% | 34% | |
| 297 | 2% | 33% | |
| 298 | 0.3% | 31% | |
| 299 | 11% | 31% | |
| 300 | 0.6% | 20% | |
| 301 | 0.5% | 19% | |
| 302 | 0.5% | 19% | |
| 303 | 0.5% | 19% | |
| 304 | 0.9% | 18% | |
| 305 | 0.7% | 17% | |
| 306 | 0.7% | 16% | |
| 307 | 0.7% | 16% | |
| 308 | 2% | 15% | |
| 309 | 0.1% | 13% | |
| 310 | 0.5% | 13% | |
| 311 | 0.5% | 12% | |
| 312 | 1.1% | 12% | |
| 313 | 0.7% | 11% | |
| 314 | 0.4% | 10% | |
| 315 | 0.1% | 10% | |
| 316 | 0.5% | 9% | |
| 317 | 0.8% | 9% | |
| 318 | 0.4% | 8% | |
| 319 | 2% | 8% | |
| 320 | 0.5% | 6% | |
| 321 | 0.9% | 6% | |
| 322 | 0.3% | 5% | |
| 323 | 0.3% | 4% | |
| 324 | 0.4% | 4% | |
| 325 | 0.3% | 4% | |
| 326 | 0.5% | 3% | Majority | 
| 327 | 0.4% | 3% | |
| 328 | 0.5% | 3% | |
| 329 | 0.2% | 2% | |
| 330 | 0.1% | 2% | |
| 331 | 0.1% | 2% | |
| 332 | 0.2% | 2% | |
| 333 | 0.5% | 1.4% | |
| 334 | 0.1% | 1.0% | |
| 335 | 0.1% | 0.9% | |
| 336 | 0.2% | 0.8% | |
| 337 | 0.2% | 0.5% | |
| 338 | 0.1% | 0.4% | |
| 339 | 0% | 0.3% | |
| 340 | 0.1% | 0.2% | |
| 341 | 0% | 0.1% | |
| 342 | 0% | 0.1% | |
| 343 | 0% | 0.1% | |
| 344 | 0% | 0.1% | |
| 345 | 0% | 0% | 
Labour Party – Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 216 | 0% | 100% | |
| 217 | 0% | 99.9% | |
| 218 | 0.1% | 99.9% | |
| 219 | 0% | 99.9% | |
| 220 | 0% | 99.9% | |
| 221 | 0% | 99.9% | |
| 222 | 0% | 99.8% | |
| 223 | 0% | 99.8% | |
| 224 | 0% | 99.8% | |
| 225 | 0% | 99.8% | |
| 226 | 0% | 99.8% | |
| 227 | 0% | 99.8% | |
| 228 | 0% | 99.7% | |
| 229 | 0.1% | 99.7% | |
| 230 | 0.1% | 99.6% | |
| 231 | 0.1% | 99.5% | |
| 232 | 0.1% | 99.4% | |
| 233 | 0.1% | 99.4% | |
| 234 | 0.1% | 99.3% | |
| 235 | 0.1% | 99.3% | |
| 236 | 0.3% | 99.2% | |
| 237 | 0.5% | 98.9% | |
| 238 | 0.1% | 98% | |
| 239 | 0.2% | 98% | |
| 240 | 0.1% | 98% | |
| 241 | 0.1% | 98% | |
| 242 | 0.3% | 98% | |
| 243 | 0.3% | 97% | |
| 244 | 0.5% | 97% | |
| 245 | 0.8% | 97% | |
| 246 | 0.2% | 96% | |
| 247 | 0.7% | 96% | |
| 248 | 0.3% | 95% | |
| 249 | 0.7% | 95% | |
| 250 | 0.8% | 94% | |
| 251 | 0.8% | 93% | |
| 252 | 0.2% | 92% | |
| 253 | 0.1% | 92% | |
| 254 | 0.9% | 92% | |
| 255 | 0.3% | 91% | |
| 256 | 3% | 91% | |
| 257 | 3% | 87% | |
| 258 | 2% | 84% | |
| 259 | 0.2% | 82% | |
| 260 | 3% | 82% | |
| 261 | 0.8% | 79% | |
| 262 | 1.2% | 78% | |
| 263 | 1.2% | 77% | |
| 264 | 1.1% | 76% | |
| 265 | 0.6% | 75% | |
| 266 | 0.3% | 74% | |
| 267 | 0.8% | 74% | |
| 268 | 0.6% | 73% | |
| 269 | 1.2% | 73% | |
| 270 | 1.2% | 71% | |
| 271 | 3% | 70% | |
| 272 | 0.3% | 68% | |
| 273 | 0.9% | 67% | |
| 274 | 0.2% | 66% | Last Result | 
| 275 | 3% | 66% | |
| 276 | 2% | 63% | |
| 277 | 1.0% | 61% | |
| 278 | 0.9% | 60% | |
| 279 | 0.5% | 59% | |
| 280 | 4% | 59% | |
| 281 | 0.5% | 55% | |
| 282 | 0.5% | 55% | |
| 283 | 0.2% | 54% | Median | 
| 284 | 0.9% | 54% | |
| 285 | 9% | 53% | |
| 286 | 2% | 44% | |
| 287 | 0.7% | 42% | |
| 288 | 0.4% | 41% | |
| 289 | 1.0% | 41% | |
| 290 | 2% | 40% | |
| 291 | 1.3% | 38% | |
| 292 | 0.5% | 37% | |
| 293 | 1.2% | 36% | |
| 294 | 0.4% | 35% | |
| 295 | 0.7% | 34% | |
| 296 | 1.0% | 34% | |
| 297 | 2% | 33% | |
| 298 | 0.3% | 31% | |
| 299 | 11% | 31% | |
| 300 | 0.6% | 20% | |
| 301 | 0.5% | 19% | |
| 302 | 0.5% | 19% | |
| 303 | 0.5% | 19% | |
| 304 | 0.9% | 18% | |
| 305 | 0.7% | 17% | |
| 306 | 0.7% | 16% | |
| 307 | 0.7% | 16% | |
| 308 | 2% | 15% | |
| 309 | 0.1% | 13% | |
| 310 | 0.5% | 13% | |
| 311 | 0.5% | 12% | |
| 312 | 1.1% | 12% | |
| 313 | 0.7% | 11% | |
| 314 | 0.4% | 10% | |
| 315 | 0.1% | 10% | |
| 316 | 0.5% | 9% | |
| 317 | 0.8% | 9% | |
| 318 | 0.4% | 8% | |
| 319 | 2% | 8% | |
| 320 | 0.5% | 6% | |
| 321 | 0.9% | 6% | |
| 322 | 0.3% | 5% | |
| 323 | 0.3% | 4% | |
| 324 | 0.4% | 4% | |
| 325 | 0.3% | 4% | |
| 326 | 0.5% | 3% | Majority | 
| 327 | 0.4% | 3% | |
| 328 | 0.5% | 3% | |
| 329 | 0.2% | 2% | |
| 330 | 0.1% | 2% | |
| 331 | 0.1% | 2% | |
| 332 | 0.2% | 2% | |
| 333 | 0.5% | 1.4% | |
| 334 | 0.1% | 1.0% | |
| 335 | 0.1% | 0.9% | |
| 336 | 0.2% | 0.8% | |
| 337 | 0.2% | 0.5% | |
| 338 | 0.1% | 0.4% | |
| 339 | 0% | 0.3% | |
| 340 | 0.1% | 0.2% | |
| 341 | 0% | 0.1% | |
| 342 | 0% | 0.1% | |
| 343 | 0% | 0.1% | |
| 344 | 0% | 0.1% | |
| 345 | 0% | 0% | 
Labour Party – Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 220 | 0% | 100% | |
| 221 | 0% | 99.9% | |
| 222 | 0% | 99.9% | |
| 223 | 0% | 99.9% | |
| 224 | 0.1% | 99.9% | |
| 225 | 0% | 99.9% | |
| 226 | 0% | 99.8% | |
| 227 | 0% | 99.8% | |
| 228 | 0% | 99.8% | |
| 229 | 0% | 99.8% | |
| 230 | 0% | 99.8% | |
| 231 | 0% | 99.8% | |
| 232 | 0% | 99.7% | |
| 233 | 0% | 99.7% | |
| 234 | 0% | 99.7% | |
| 235 | 0% | 99.6% | |
| 236 | 0.1% | 99.6% | |
| 237 | 0.1% | 99.5% | |
| 238 | 0.4% | 99.5% | |
| 239 | 0.1% | 99.0% | |
| 240 | 0% | 99.0% | |
| 241 | 0.1% | 98.9% | |
| 242 | 0.3% | 98.9% | |
| 243 | 0.2% | 98.6% | |
| 244 | 0.3% | 98% | |
| 245 | 0% | 98% | |
| 246 | 0.2% | 98% | |
| 247 | 0.1% | 98% | |
| 248 | 0.2% | 98% | |
| 249 | 0.4% | 98% | |
| 250 | 0.2% | 97% | |
| 251 | 0.7% | 97% | |
| 252 | 1.1% | 96% | |
| 253 | 0.2% | 95% | |
| 254 | 0.5% | 95% | |
| 255 | 0.4% | 95% | |
| 256 | 0.1% | 94% | |
| 257 | 1.1% | 94% | |
| 258 | 0.5% | 93% | |
| 259 | 0.6% | 92% | |
| 260 | 4% | 92% | |
| 261 | 0.7% | 88% | |
| 262 | 0.6% | 87% | |
| 263 | 0.2% | 87% | |
| 264 | 3% | 86% | |
| 265 | 2% | 83% | |
| 266 | 0.6% | 81% | |
| 267 | 3% | 80% | |
| 268 | 2% | 77% | |
| 269 | 0.6% | 76% | |
| 270 | 0.3% | 75% | |
| 271 | 1.5% | 75% | |
| 272 | 0.7% | 73% | |
| 273 | 0.3% | 73% | |
| 274 | 4% | 72% | |
| 275 | 1.3% | 69% | |
| 276 | 1.1% | 68% | |
| 277 | 3% | 67% | |
| 278 | 0.5% | 63% | |
| 279 | 0.4% | 63% | |
| 280 | 3% | 62% | |
| 281 | 0.4% | 60% | |
| 282 | 0.7% | 59% | |
| 283 | 9% | 58% | |
| 284 | 2% | 49% | |
| 285 | 0.2% | 47% | Median | 
| 286 | 1.0% | 47% | |
| 287 | 3% | 46% | |
| 288 | 2% | 43% | |
| 289 | 0.5% | 41% | |
| 290 | 0.6% | 41% | |
| 291 | 2% | 40% | |
| 292 | 0.8% | 38% | |
| 293 | 0.6% | 37% | |
| 294 | 2% | 37% | |
| 295 | 0.1% | 35% | |
| 296 | 0.5% | 35% | |
| 297 | 10% | 35% | Last Result | 
| 298 | 3% | 24% | |
| 299 | 0.3% | 22% | |
| 300 | 0.7% | 22% | |
| 301 | 1.1% | 21% | |
| 302 | 1.0% | 20% | |
| 303 | 0.2% | 19% | |
| 304 | 0.4% | 19% | |
| 305 | 1.3% | 18% | |
| 306 | 0.9% | 17% | |
| 307 | 0.2% | 16% | |
| 308 | 0.3% | 16% | |
| 309 | 2% | 15% | |
| 310 | 2% | 14% | |
| 311 | 0.5% | 12% | |
| 312 | 0.4% | 11% | |
| 313 | 0.4% | 11% | |
| 314 | 0.5% | 11% | |
| 315 | 0.4% | 10% | |
| 316 | 0.7% | 10% | |
| 317 | 0.2% | 9% | |
| 318 | 2% | 9% | |
| 319 | 0.4% | 7% | |
| 320 | 0.1% | 7% | |
| 321 | 0.8% | 7% | |
| 322 | 1.3% | 6% | |
| 323 | 0.3% | 5% | |
| 324 | 0.8% | 4% | |
| 325 | 0.7% | 4% | |
| 326 | 0.3% | 3% | Majority | 
| 327 | 0.2% | 3% | |
| 328 | 0.5% | 2% | |
| 329 | 0.1% | 2% | |
| 330 | 0.2% | 2% | |
| 331 | 0.3% | 2% | |
| 332 | 0.1% | 1.4% | |
| 333 | 0.3% | 1.2% | |
| 334 | 0.1% | 0.9% | |
| 335 | 0.3% | 0.8% | |
| 336 | 0.1% | 0.4% | |
| 337 | 0.1% | 0.3% | |
| 338 | 0% | 0.2% | |
| 339 | 0.1% | 0.2% | |
| 340 | 0% | 0.1% | |
| 341 | 0% | 0.1% | |
| 342 | 0% | 0% | 
Conservative Party – Liberal Democrats – Change UK

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 231 | 0% | 100% | |
| 232 | 0% | 99.9% | |
| 233 | 0% | 99.9% | |
| 234 | 0.1% | 99.9% | |
| 235 | 0% | 99.8% | |
| 236 | 0.1% | 99.8% | |
| 237 | 0.2% | 99.7% | |
| 238 | 0% | 99.5% | |
| 239 | 0% | 99.5% | |
| 240 | 0.2% | 99.5% | |
| 241 | 0.3% | 99.3% | |
| 242 | 0.2% | 99.1% | |
| 243 | 0.5% | 98.9% | |
| 244 | 0% | 98% | |
| 245 | 0.2% | 98% | |
| 246 | 0.2% | 98% | |
| 247 | 0.1% | 98% | |
| 248 | 0.4% | 98% | |
| 249 | 0.2% | 97% | |
| 250 | 0.3% | 97% | |
| 251 | 0.4% | 97% | |
| 252 | 0.3% | 97% | |
| 253 | 0.2% | 96% | |
| 254 | 0.1% | 96% | |
| 255 | 0.2% | 96% | |
| 256 | 0.8% | 96% | |
| 257 | 0.3% | 95% | |
| 258 | 0.3% | 95% | |
| 259 | 0.5% | 94% | |
| 260 | 0.3% | 94% | |
| 261 | 0.6% | 94% | |
| 262 | 0.3% | 93% | |
| 263 | 0.3% | 93% | |
| 264 | 0.4% | 92% | |
| 265 | 1.1% | 92% | |
| 266 | 0.1% | 91% | |
| 267 | 2% | 91% | |
| 268 | 0.6% | 89% | |
| 269 | 1.0% | 88% | |
| 270 | 1.2% | 87% | |
| 271 | 1.0% | 86% | |
| 272 | 10% | 85% | |
| 273 | 2% | 75% | |
| 274 | 1.1% | 73% | |
| 275 | 0.3% | 72% | |
| 276 | 1.3% | 71% | |
| 277 | 0.8% | 70% | |
| 278 | 0.3% | 69% | |
| 279 | 0.5% | 69% | |
| 280 | 1.0% | 68% | |
| 281 | 0.6% | 67% | |
| 282 | 0.6% | 67% | |
| 283 | 2% | 66% | |
| 284 | 0.8% | 65% | |
| 285 | 1.3% | 64% | |
| 286 | 6% | 62% | |
| 287 | 0.4% | 56% | |
| 288 | 0.2% | 56% | |
| 289 | 2% | 56% | |
| 290 | 1.1% | 54% | |
| 291 | 1.2% | 53% | |
| 292 | 0.6% | 52% | |
| 293 | 1.1% | 51% | |
| 294 | 2% | 50% | |
| 295 | 1.0% | 48% | Median | 
| 296 | 1.2% | 47% | |
| 297 | 0.9% | 45% | |
| 298 | 1.5% | 45% | |
| 299 | 0.3% | 43% | |
| 300 | 7% | 43% | |
| 301 | 1.3% | 36% | |
| 302 | 0.6% | 35% | |
| 303 | 2% | 34% | |
| 304 | 2% | 33% | |
| 305 | 3% | 31% | |
| 306 | 0.4% | 28% | |
| 307 | 1.1% | 28% | |
| 308 | 3% | 27% | |
| 309 | 0.4% | 24% | |
| 310 | 0.3% | 23% | |
| 311 | 4% | 23% | |
| 312 | 1.3% | 19% | |
| 313 | 0.6% | 18% | |
| 314 | 2% | 17% | |
| 315 | 0.6% | 15% | |
| 316 | 2% | 14% | |
| 317 | 1.3% | 12% | |
| 318 | 0.3% | 11% | |
| 319 | 0.9% | 10% | |
| 320 | 0.3% | 9% | |
| 321 | 0.6% | 9% | |
| 322 | 4% | 9% | |
| 323 | 1.5% | 5% | |
| 324 | 0.7% | 3% | |
| 325 | 0.1% | 3% | |
| 326 | 0.6% | 3% | Majority | 
| 327 | 0.1% | 2% | |
| 328 | 0.3% | 2% | |
| 329 | 0.3% | 2% | Last Result | 
| 330 | 0.1% | 1.3% | |
| 331 | 0.1% | 1.1% | |
| 332 | 0.1% | 1.0% | |
| 333 | 0.2% | 0.9% | |
| 334 | 0.1% | 0.7% | |
| 335 | 0% | 0.7% | |
| 336 | 0.2% | 0.6% | |
| 337 | 0% | 0.5% | |
| 338 | 0% | 0.4% | |
| 339 | 0.1% | 0.4% | |
| 340 | 0% | 0.3% | |
| 341 | 0.1% | 0.3% | |
| 342 | 0% | 0.2% | |
| 343 | 0% | 0.1% | |
| 344 | 0% | 0.1% | |
| 345 | 0% | 0.1% | |
| 346 | 0% | 0.1% | |
| 347 | 0% | 0.1% | |
| 348 | 0% | 0% | 
Conservative Party – Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 231 | 0% | 100% | |
| 232 | 0% | 99.9% | |
| 233 | 0% | 99.9% | |
| 234 | 0.1% | 99.9% | |
| 235 | 0% | 99.8% | |
| 236 | 0.1% | 99.8% | |
| 237 | 0.2% | 99.7% | |
| 238 | 0% | 99.5% | |
| 239 | 0% | 99.5% | |
| 240 | 0.2% | 99.5% | |
| 241 | 0.3% | 99.3% | |
| 242 | 0.2% | 99.1% | |
| 243 | 0.5% | 98.9% | |
| 244 | 0% | 98% | |
| 245 | 0.2% | 98% | |
| 246 | 0.2% | 98% | |
| 247 | 0.1% | 98% | |
| 248 | 0.4% | 98% | |
| 249 | 0.2% | 97% | |
| 250 | 0.3% | 97% | |
| 251 | 0.4% | 97% | |
| 252 | 0.3% | 97% | |
| 253 | 0.2% | 96% | |
| 254 | 0.1% | 96% | |
| 255 | 0.2% | 96% | |
| 256 | 0.8% | 96% | |
| 257 | 0.3% | 95% | |
| 258 | 0.3% | 95% | |
| 259 | 0.5% | 94% | |
| 260 | 0.3% | 94% | |
| 261 | 0.6% | 94% | |
| 262 | 0.3% | 93% | |
| 263 | 0.3% | 93% | |
| 264 | 0.4% | 92% | |
| 265 | 1.1% | 92% | |
| 266 | 0.1% | 91% | |
| 267 | 2% | 91% | |
| 268 | 0.6% | 89% | |
| 269 | 1.0% | 88% | |
| 270 | 1.2% | 87% | |
| 271 | 1.0% | 86% | |
| 272 | 10% | 85% | |
| 273 | 2% | 75% | |
| 274 | 1.1% | 73% | |
| 275 | 0.3% | 72% | |
| 276 | 1.3% | 71% | |
| 277 | 0.8% | 70% | |
| 278 | 0.3% | 69% | |
| 279 | 0.5% | 69% | |
| 280 | 1.0% | 68% | |
| 281 | 0.6% | 67% | |
| 282 | 0.6% | 67% | |
| 283 | 2% | 66% | |
| 284 | 0.8% | 65% | |
| 285 | 1.3% | 64% | |
| 286 | 6% | 62% | |
| 287 | 0.4% | 56% | |
| 288 | 0.2% | 56% | |
| 289 | 2% | 56% | |
| 290 | 1.1% | 54% | |
| 291 | 1.2% | 53% | |
| 292 | 0.6% | 52% | |
| 293 | 1.1% | 51% | |
| 294 | 2% | 50% | |
| 295 | 1.0% | 48% | Median | 
| 296 | 1.2% | 47% | |
| 297 | 0.9% | 45% | |
| 298 | 1.5% | 45% | |
| 299 | 0.3% | 43% | |
| 300 | 7% | 43% | |
| 301 | 1.3% | 36% | |
| 302 | 0.6% | 35% | |
| 303 | 2% | 34% | |
| 304 | 2% | 33% | |
| 305 | 3% | 31% | |
| 306 | 0.4% | 28% | |
| 307 | 1.1% | 28% | |
| 308 | 3% | 27% | |
| 309 | 0.4% | 24% | |
| 310 | 0.3% | 23% | |
| 311 | 4% | 23% | |
| 312 | 1.3% | 19% | |
| 313 | 0.6% | 18% | |
| 314 | 2% | 17% | |
| 315 | 0.6% | 15% | |
| 316 | 2% | 14% | |
| 317 | 1.3% | 12% | |
| 318 | 0.3% | 11% | |
| 319 | 0.9% | 10% | |
| 320 | 0.3% | 9% | |
| 321 | 0.6% | 9% | |
| 322 | 4% | 9% | |
| 323 | 1.5% | 5% | |
| 324 | 0.7% | 3% | |
| 325 | 0.1% | 3% | |
| 326 | 0.6% | 3% | Majority | 
| 327 | 0.1% | 2% | |
| 328 | 0.3% | 2% | |
| 329 | 0.3% | 2% | Last Result | 
| 330 | 0.1% | 1.3% | |
| 331 | 0.1% | 1.1% | |
| 332 | 0.1% | 1.0% | |
| 333 | 0.2% | 0.9% | |
| 334 | 0.1% | 0.7% | |
| 335 | 0% | 0.7% | |
| 336 | 0.2% | 0.6% | |
| 337 | 0% | 0.5% | |
| 338 | 0% | 0.4% | |
| 339 | 0.1% | 0.4% | |
| 340 | 0% | 0.3% | |
| 341 | 0.1% | 0.3% | |
| 342 | 0% | 0.2% | |
| 343 | 0% | 0.1% | |
| 344 | 0% | 0.1% | |
| 345 | 0% | 0.1% | |
| 346 | 0% | 0.1% | |
| 347 | 0% | 0.1% | |
| 348 | 0% | 0% | 
Conservative Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 179 | 0% | 100% | |
| 180 | 0% | 99.9% | |
| 181 | 0% | 99.9% | |
| 182 | 0% | 99.8% | |
| 183 | 0% | 99.8% | |
| 184 | 0% | 99.8% | |
| 185 | 0.2% | 99.7% | |
| 186 | 0% | 99.6% | |
| 187 | 0% | 99.6% | |
| 188 | 0% | 99.5% | |
| 189 | 0.3% | 99.5% | |
| 190 | 0.1% | 99.2% | |
| 191 | 0.6% | 99.0% | |
| 192 | 0.1% | 98% | |
| 193 | 0% | 98% | |
| 194 | 0% | 98% | |
| 195 | 0% | 98% | |
| 196 | 0.1% | 98% | |
| 197 | 0.1% | 98% | |
| 198 | 0.6% | 98% | |
| 199 | 0.2% | 97% | |
| 200 | 0.3% | 97% | |
| 201 | 0.1% | 97% | |
| 202 | 0.1% | 97% | |
| 203 | 0.1% | 97% | |
| 204 | 0.5% | 97% | |
| 205 | 0.2% | 96% | |
| 206 | 0.3% | 96% | |
| 207 | 0.5% | 96% | |
| 208 | 0.7% | 95% | |
| 209 | 0.5% | 94% | |
| 210 | 0.2% | 94% | |
| 211 | 1.1% | 94% | |
| 212 | 0.1% | 93% | |
| 213 | 0.1% | 93% | |
| 214 | 0.3% | 92% | |
| 215 | 0.3% | 92% | |
| 216 | 0.8% | 92% | |
| 217 | 0.7% | 91% | |
| 218 | 0.2% | 90% | |
| 219 | 1.3% | 90% | |
| 220 | 0.4% | 89% | |
| 221 | 10% | 88% | |
| 222 | 2% | 78% | |
| 223 | 0.3% | 76% | |
| 224 | 0.6% | 76% | |
| 225 | 0.5% | 75% | |
| 226 | 2% | 75% | |
| 227 | 0.2% | 73% | |
| 228 | 0.6% | 73% | |
| 229 | 0.3% | 72% | |
| 230 | 0.8% | 72% | |
| 231 | 1.0% | 71% | |
| 232 | 0.7% | 70% | |
| 233 | 0.6% | 70% | |
| 234 | 1.1% | 69% | |
| 235 | 6% | 68% | |
| 236 | 1.0% | 62% | |
| 237 | 0.6% | 61% | |
| 238 | 0.7% | 60% | |
| 239 | 1.2% | 59% | |
| 240 | 1.4% | 58% | |
| 241 | 0.1% | 57% | |
| 242 | 0.6% | 57% | |
| 243 | 0.5% | 56% | |
| 244 | 2% | 56% | |
| 245 | 0.9% | 54% | |
| 246 | 1.2% | 53% | |
| 247 | 2% | 52% | |
| 248 | 1.2% | 50% | Median | 
| 249 | 0.4% | 49% | |
| 250 | 0.5% | 48% | |
| 251 | 4% | 48% | |
| 252 | 1.1% | 43% | |
| 253 | 0.7% | 42% | |
| 254 | 1.1% | 42% | |
| 255 | 1.0% | 40% | |
| 256 | 0.6% | 39% | |
| 257 | 4% | 39% | |
| 258 | 0.9% | 35% | |
| 259 | 1.3% | 34% | |
| 260 | 3% | 33% | |
| 261 | 2% | 30% | |
| 262 | 2% | 28% | |
| 263 | 0.4% | 27% | |
| 264 | 1.0% | 26% | |
| 265 | 0.3% | 25% | |
| 266 | 0.7% | 25% | |
| 267 | 0.7% | 24% | |
| 268 | 3% | 24% | |
| 269 | 1.5% | 21% | |
| 270 | 1.4% | 20% | |
| 271 | 2% | 18% | |
| 272 | 0.3% | 17% | |
| 273 | 0.4% | 16% | |
| 274 | 3% | 16% | |
| 275 | 0.2% | 13% | |
| 276 | 1.4% | 13% | |
| 277 | 0.1% | 11% | |
| 278 | 0.3% | 11% | |
| 279 | 4% | 11% | |
| 280 | 1.2% | 7% | |
| 281 | 0.6% | 5% | |
| 282 | 0.4% | 5% | |
| 283 | 0.8% | 4% | |
| 284 | 0.8% | 4% | |
| 285 | 0.1% | 3% | |
| 286 | 0.5% | 3% | |
| 287 | 0.3% | 2% | |
| 288 | 0.1% | 2% | |
| 289 | 0.2% | 2% | |
| 290 | 0.1% | 2% | |
| 291 | 0.1% | 1.5% | |
| 292 | 0.2% | 1.3% | |
| 293 | 0.1% | 1.1% | |
| 294 | 0.1% | 1.0% | |
| 295 | 0.1% | 0.9% | |
| 296 | 0.1% | 0.8% | |
| 297 | 0.1% | 0.6% | |
| 298 | 0.1% | 0.5% | |
| 299 | 0% | 0.4% | |
| 300 | 0% | 0.4% | |
| 301 | 0.1% | 0.3% | |
| 302 | 0% | 0.3% | |
| 303 | 0% | 0.3% | |
| 304 | 0.1% | 0.3% | |
| 305 | 0% | 0.1% | |
| 306 | 0% | 0.1% | |
| 307 | 0% | 0.1% | |
| 308 | 0% | 0.1% | |
| 309 | 0% | 0.1% | |
| 310 | 0% | 0.1% | |
| 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% | Last Result | 
Conservative Party – Change UK

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 175 | 0% | 100% | |
| 176 | 0.1% | 99.9% | |
| 177 | 0% | 99.9% | |
| 178 | 0% | 99.9% | |
| 179 | 0% | 99.8% | |
| 180 | 0.1% | 99.8% | |
| 181 | 0% | 99.7% | |
| 182 | 0.2% | 99.7% | |
| 183 | 0% | 99.6% | |
| 184 | 0% | 99.5% | |
| 185 | 0% | 99.5% | |
| 186 | 0.3% | 99.5% | |
| 187 | 0.3% | 99.1% | |
| 188 | 0.3% | 98.9% | |
| 189 | 0.1% | 98.5% | |
| 190 | 0.1% | 98% | |
| 191 | 0% | 98% | |
| 192 | 0.1% | 98% | |
| 193 | 0.1% | 98% | |
| 194 | 0% | 98% | |
| 195 | 0.7% | 98% | |
| 196 | 0.2% | 97% | |
| 197 | 0.1% | 97% | |
| 198 | 0.2% | 97% | |
| 199 | 0.3% | 97% | |
| 200 | 0.4% | 97% | |
| 201 | 0.6% | 96% | |
| 202 | 0.1% | 96% | |
| 203 | 0.2% | 96% | |
| 204 | 0.9% | 95% | |
| 205 | 0.3% | 95% | |
| 206 | 0.2% | 94% | |
| 207 | 0.7% | 94% | |
| 208 | 0.9% | 93% | |
| 209 | 0.1% | 92% | |
| 210 | 0.2% | 92% | |
| 211 | 0.2% | 92% | |
| 212 | 0.5% | 92% | |
| 213 | 0.8% | 91% | |
| 214 | 0.3% | 91% | |
| 215 | 1.3% | 90% | |
| 216 | 0.6% | 89% | |
| 217 | 10% | 89% | |
| 218 | 1.3% | 78% | |
| 219 | 1.0% | 77% | |
| 220 | 0.6% | 76% | |
| 221 | 0.3% | 75% | |
| 222 | 1.4% | 75% | |
| 223 | 0.3% | 74% | |
| 224 | 0.8% | 73% | |
| 225 | 0.3% | 73% | |
| 226 | 0.7% | 72% | |
| 227 | 0.7% | 72% | |
| 228 | 1.2% | 71% | |
| 229 | 1.2% | 70% | |
| 230 | 0.7% | 68% | |
| 231 | 5% | 68% | |
| 232 | 2% | 63% | |
| 233 | 0.8% | 61% | |
| 234 | 0.8% | 60% | |
| 235 | 0.7% | 59% | |
| 236 | 2% | 59% | |
| 237 | 0.6% | 57% | |
| 238 | 0.6% | 57% | |
| 239 | 0.4% | 56% | |
| 240 | 1.4% | 56% | |
| 241 | 2% | 54% | |
| 242 | 0.4% | 53% | |
| 243 | 1.3% | 52% | |
| 244 | 2% | 51% | Median | 
| 245 | 0.1% | 48% | |
| 246 | 1.0% | 48% | |
| 247 | 4% | 47% | |
| 248 | 1.0% | 43% | |
| 249 | 0.7% | 42% | |
| 250 | 1.2% | 42% | |
| 251 | 0.8% | 40% | |
| 252 | 1.1% | 40% | |
| 253 | 2% | 38% | |
| 254 | 2% | 37% | |
| 255 | 1.0% | 34% | |
| 256 | 0.4% | 33% | |
| 257 | 5% | 33% | |
| 258 | 1.1% | 28% | |
| 259 | 1.0% | 27% | |
| 260 | 0.8% | 26% | |
| 261 | 0.3% | 25% | |
| 262 | 0.4% | 25% | |
| 263 | 0.6% | 24% | |
| 264 | 3% | 24% | |
| 265 | 1.1% | 21% | |
| 266 | 0.6% | 20% | |
| 267 | 1.5% | 19% | |
| 268 | 2% | 18% | |
| 269 | 0.6% | 16% | |
| 270 | 2% | 16% | |
| 271 | 0.9% | 14% | |
| 272 | 1.5% | 13% | |
| 273 | 0.2% | 11% | |
| 274 | 0.3% | 11% | |
| 275 | 0.4% | 11% | |
| 276 | 4% | 10% | |
| 277 | 1.3% | 7% | |
| 278 | 0.9% | 5% | |
| 279 | 0.6% | 4% | |
| 280 | 0.6% | 4% | |
| 281 | 0.4% | 3% | |
| 282 | 0.5% | 3% | |
| 283 | 0.1% | 2% | |
| 284 | 0.2% | 2% | |
| 285 | 0.4% | 2% | |
| 286 | 0.1% | 2% | |
| 287 | 0.2% | 1.4% | |
| 288 | 0.2% | 1.3% | |
| 289 | 0.2% | 1.1% | |
| 290 | 0.1% | 0.9% | |
| 291 | 0.1% | 0.8% | |
| 292 | 0.1% | 0.7% | |
| 293 | 0.1% | 0.7% | |
| 294 | 0.1% | 0.5% | |
| 295 | 0% | 0.4% | |
| 296 | 0.1% | 0.4% | |
| 297 | 0% | 0.2% | |
| 298 | 0% | 0.2% | |
| 299 | 0% | 0.2% | |
| 300 | 0% | 0.2% | |
| 301 | 0% | 0.1% | |
| 302 | 0% | 0.1% | |
| 303 | 0% | 0.1% | |
| 304 | 0% | 0.1% | |
| 305 | 0% | 0.1% | |
| 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% | Last Result | 
Conservative Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 175 | 0% | 100% | |
| 176 | 0.1% | 99.9% | |
| 177 | 0% | 99.9% | |
| 178 | 0% | 99.9% | |
| 179 | 0% | 99.8% | |
| 180 | 0.1% | 99.8% | |
| 181 | 0% | 99.7% | |
| 182 | 0.2% | 99.7% | |
| 183 | 0% | 99.6% | |
| 184 | 0% | 99.5% | |
| 185 | 0% | 99.5% | |
| 186 | 0.3% | 99.5% | |
| 187 | 0.3% | 99.1% | |
| 188 | 0.3% | 98.9% | |
| 189 | 0.1% | 98.5% | |
| 190 | 0.1% | 98% | |
| 191 | 0% | 98% | |
| 192 | 0.1% | 98% | |
| 193 | 0.1% | 98% | |
| 194 | 0% | 98% | |
| 195 | 0.7% | 98% | |
| 196 | 0.2% | 97% | |
| 197 | 0.1% | 97% | |
| 198 | 0.2% | 97% | |
| 199 | 0.3% | 97% | |
| 200 | 0.4% | 97% | |
| 201 | 0.6% | 96% | |
| 202 | 0.1% | 96% | |
| 203 | 0.2% | 96% | |
| 204 | 0.9% | 95% | |
| 205 | 0.3% | 95% | |
| 206 | 0.2% | 94% | |
| 207 | 0.7% | 94% | |
| 208 | 0.9% | 93% | |
| 209 | 0.1% | 92% | |
| 210 | 0.2% | 92% | |
| 211 | 0.2% | 92% | |
| 212 | 0.5% | 92% | |
| 213 | 0.8% | 91% | |
| 214 | 0.3% | 91% | |
| 215 | 1.3% | 90% | |
| 216 | 0.6% | 89% | |
| 217 | 10% | 89% | |
| 218 | 1.3% | 78% | |
| 219 | 1.0% | 77% | |
| 220 | 0.6% | 76% | |
| 221 | 0.3% | 75% | |
| 222 | 1.4% | 75% | |
| 223 | 0.3% | 74% | |
| 224 | 0.8% | 73% | |
| 225 | 0.3% | 73% | |
| 226 | 0.7% | 72% | |
| 227 | 0.7% | 72% | |
| 228 | 1.2% | 71% | |
| 229 | 1.2% | 70% | |
| 230 | 0.7% | 68% | |
| 231 | 5% | 68% | |
| 232 | 2% | 63% | |
| 233 | 0.8% | 61% | |
| 234 | 0.8% | 60% | |
| 235 | 0.7% | 59% | |
| 236 | 2% | 59% | |
| 237 | 0.6% | 57% | |
| 238 | 0.6% | 57% | |
| 239 | 0.4% | 56% | |
| 240 | 1.4% | 56% | |
| 241 | 2% | 54% | |
| 242 | 0.4% | 53% | |
| 243 | 1.3% | 52% | |
| 244 | 2% | 51% | Median | 
| 245 | 0.1% | 48% | |
| 246 | 1.0% | 48% | |
| 247 | 4% | 47% | |
| 248 | 1.0% | 43% | |
| 249 | 0.7% | 42% | |
| 250 | 1.2% | 42% | |
| 251 | 0.8% | 40% | |
| 252 | 1.1% | 40% | |
| 253 | 2% | 38% | |
| 254 | 2% | 37% | |
| 255 | 1.0% | 34% | |
| 256 | 0.4% | 33% | |
| 257 | 5% | 33% | |
| 258 | 1.1% | 28% | |
| 259 | 1.0% | 27% | |
| 260 | 0.8% | 26% | |
| 261 | 0.3% | 25% | |
| 262 | 0.4% | 25% | |
| 263 | 0.6% | 24% | |
| 264 | 3% | 24% | |
| 265 | 1.1% | 21% | |
| 266 | 0.6% | 20% | |
| 267 | 1.5% | 19% | |
| 268 | 2% | 18% | |
| 269 | 0.6% | 16% | |
| 270 | 2% | 16% | |
| 271 | 0.9% | 14% | |
| 272 | 1.5% | 13% | |
| 273 | 0.2% | 11% | |
| 274 | 0.3% | 11% | |
| 275 | 0.4% | 11% | |
| 276 | 4% | 10% | |
| 277 | 1.3% | 7% | |
| 278 | 0.9% | 5% | |
| 279 | 0.6% | 4% | |
| 280 | 0.6% | 4% | |
| 281 | 0.4% | 3% | |
| 282 | 0.5% | 3% | |
| 283 | 0.1% | 2% | |
| 284 | 0.2% | 2% | |
| 285 | 0.4% | 2% | |
| 286 | 0.1% | 2% | |
| 287 | 0.2% | 1.4% | |
| 288 | 0.2% | 1.3% | |
| 289 | 0.2% | 1.1% | |
| 290 | 0.1% | 0.9% | |
| 291 | 0.1% | 0.8% | |
| 292 | 0.1% | 0.7% | |
| 293 | 0.1% | 0.7% | |
| 294 | 0.1% | 0.5% | |
| 295 | 0% | 0.4% | |
| 296 | 0.1% | 0.4% | |
| 297 | 0% | 0.2% | |
| 298 | 0% | 0.2% | |
| 299 | 0% | 0.2% | |
| 300 | 0% | 0.2% | |
| 301 | 0% | 0.1% | |
| 302 | 0% | 0.1% | |
| 303 | 0% | 0.1% | |
| 304 | 0% | 0.1% | |
| 305 | 0% | 0.1% | |
| 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% | Last Result | 
Labour Party – Plaid Cymru

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 174 | 0% | 100% | |
| 175 | 0.1% | 99.9% | |
| 176 | 0% | 99.9% | |
| 177 | 0% | 99.9% | |
| 178 | 0% | 99.9% | |
| 179 | 0% | 99.9% | |
| 180 | 0% | 99.8% | |
| 181 | 0% | 99.8% | |
| 182 | 0% | 99.8% | |
| 183 | 0% | 99.8% | |
| 184 | 0% | 99.8% | |
| 185 | 0.1% | 99.8% | |
| 186 | 0% | 99.7% | |
| 187 | 0% | 99.7% | |
| 188 | 0.1% | 99.6% | |
| 189 | 0.3% | 99.6% | |
| 190 | 0% | 99.3% | |
| 191 | 0.1% | 99.2% | |
| 192 | 0.1% | 99.2% | |
| 193 | 0.1% | 99.1% | |
| 194 | 0.3% | 99.0% | |
| 195 | 0.2% | 98.7% | |
| 196 | 0.2% | 98.6% | |
| 197 | 0.1% | 98% | |
| 198 | 0.2% | 98% | |
| 199 | 0.2% | 98% | |
| 200 | 0.1% | 98% | |
| 201 | 0.5% | 98% | |
| 202 | 0.4% | 97% | |
| 203 | 0.4% | 97% | |
| 204 | 0.5% | 96% | |
| 205 | 0.5% | 96% | |
| 206 | 0.9% | 95% | |
| 207 | 0.3% | 95% | |
| 208 | 0.6% | 94% | |
| 209 | 0.1% | 94% | |
| 210 | 0.8% | 93% | |
| 211 | 0.2% | 93% | |
| 212 | 1.1% | 92% | |
| 213 | 4% | 91% | |
| 214 | 1.4% | 88% | |
| 215 | 2% | 86% | |
| 216 | 2% | 84% | |
| 217 | 3% | 82% | |
| 218 | 0.8% | 79% | |
| 219 | 0.2% | 78% | |
| 220 | 0.5% | 78% | |
| 221 | 2% | 78% | |
| 222 | 1.3% | 76% | |
| 223 | 0.7% | 75% | |
| 224 | 0.3% | 74% | |
| 225 | 0.4% | 74% | |
| 226 | 0.9% | 73% | |
| 227 | 5% | 72% | |
| 228 | 1.0% | 67% | |
| 229 | 0.8% | 66% | |
| 230 | 0.7% | 66% | |
| 231 | 1.1% | 65% | |
| 232 | 2% | 64% | |
| 233 | 0.5% | 62% | |
| 234 | 7% | 61% | |
| 235 | 1.2% | 54% | |
| 236 | 4% | 53% | Median | 
| 237 | 0.7% | 49% | |
| 238 | 3% | 48% | |
| 239 | 0.3% | 45% | |
| 240 | 2% | 45% | |
| 241 | 0.9% | 43% | |
| 242 | 1.2% | 42% | |
| 243 | 0.9% | 41% | |
| 244 | 2% | 40% | |
| 245 | 2% | 38% | |
| 246 | 0.1% | 36% | |
| 247 | 0.1% | 36% | |
| 248 | 10% | 36% | |
| 249 | 2% | 26% | |
| 250 | 0.3% | 24% | |
| 251 | 2% | 24% | |
| 252 | 0.7% | 22% | |
| 253 | 2% | 21% | |
| 254 | 0.2% | 20% | |
| 255 | 0.5% | 20% | |
| 256 | 1.1% | 19% | |
| 257 | 0.9% | 18% | |
| 258 | 0.5% | 17% | |
| 259 | 0.5% | 17% | |
| 260 | 1.3% | 16% | |
| 261 | 1.2% | 15% | |
| 262 | 0.8% | 14% | |
| 263 | 0.8% | 13% | |
| 264 | 0.5% | 12% | |
| 265 | 1.1% | 12% | |
| 266 | 0.3% | 11% | Last Result | 
| 267 | 1.0% | 10% | |
| 268 | 0.5% | 9% | |
| 269 | 1.0% | 9% | |
| 270 | 0.4% | 8% | |
| 271 | 0.2% | 7% | |
| 272 | 2% | 7% | |
| 273 | 0.3% | 5% | |
| 274 | 0.6% | 5% | |
| 275 | 0.6% | 5% | |
| 276 | 0.6% | 4% | |
| 277 | 0.4% | 3% | |
| 278 | 0.4% | 3% | |
| 279 | 0.4% | 2% | |
| 280 | 0.1% | 2% | |
| 281 | 0.1% | 2% | |
| 282 | 0.4% | 2% | |
| 283 | 0.3% | 1.4% | |
| 284 | 0.2% | 1.1% | |
| 285 | 0.2% | 0.9% | |
| 286 | 0.2% | 0.7% | |
| 287 | 0.2% | 0.5% | |
| 288 | 0.1% | 0.3% | |
| 289 | 0.1% | 0.3% | |
| 290 | 0.1% | 0.2% | |
| 291 | 0% | 0.1% | |
| 292 | 0% | 0.1% | |
| 293 | 0% | 0.1% | |
| 294 | 0% | 0.1% | |
| 295 | 0% | 0% | 
Labour Party – Change UK

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 170 | 0% | 100% | |
| 171 | 0.1% | 99.9% | |
| 172 | 0% | 99.9% | |
| 173 | 0% | 99.9% | |
| 174 | 0% | 99.9% | |
| 175 | 0% | 99.9% | |
| 176 | 0% | 99.8% | |
| 177 | 0% | 99.8% | |
| 178 | 0% | 99.8% | |
| 179 | 0% | 99.8% | |
| 180 | 0% | 99.8% | |
| 181 | 0.1% | 99.8% | |
| 182 | 0% | 99.7% | |
| 183 | 0% | 99.7% | |
| 184 | 0.1% | 99.7% | |
| 185 | 0.3% | 99.6% | |
| 186 | 0.1% | 99.3% | |
| 187 | 0.1% | 99.3% | |
| 188 | 0.1% | 99.2% | |
| 189 | 0.1% | 99.1% | |
| 190 | 0.1% | 99.1% | |
| 191 | 0.5% | 99.0% | |
| 192 | 0.1% | 98% | |
| 193 | 0.2% | 98% | |
| 194 | 0.1% | 98% | |
| 195 | 0.1% | 98% | |
| 196 | 0.4% | 98% | |
| 197 | 0.2% | 98% | |
| 198 | 0.5% | 98% | |
| 199 | 0.6% | 97% | |
| 200 | 0.3% | 96% | |
| 201 | 0.8% | 96% | |
| 202 | 0.3% | 95% | |
| 203 | 0.2% | 95% | |
| 204 | 0.9% | 95% | |
| 205 | 0.4% | 94% | |
| 206 | 0.2% | 93% | |
| 207 | 0.7% | 93% | |
| 208 | 1.2% | 93% | |
| 209 | 0.5% | 91% | |
| 210 | 3% | 91% | |
| 211 | 3% | 87% | |
| 212 | 2% | 84% | |
| 213 | 0.6% | 82% | |
| 214 | 3% | 82% | |
| 215 | 0.7% | 79% | |
| 216 | 0.2% | 78% | |
| 217 | 0.6% | 78% | |
| 218 | 2% | 77% | |
| 219 | 0.8% | 75% | |
| 220 | 0.4% | 74% | |
| 221 | 0.4% | 74% | |
| 222 | 0.7% | 74% | |
| 223 | 3% | 73% | |
| 224 | 4% | 70% | |
| 225 | 0.7% | 66% | |
| 226 | 0.4% | 66% | |
| 227 | 1.5% | 65% | |
| 228 | 2% | 64% | |
| 229 | 0.4% | 62% | |
| 230 | 7% | 61% | |
| 231 | 0.7% | 54% | |
| 232 | 5% | 54% | Median | 
| 233 | 1.4% | 49% | |
| 234 | 2% | 47% | |
| 235 | 0.5% | 45% | |
| 236 | 0.4% | 45% | |
| 237 | 2% | 44% | |
| 238 | 2% | 42% | |
| 239 | 2% | 41% | |
| 240 | 1.3% | 39% | |
| 241 | 1.3% | 38% | |
| 242 | 0.3% | 37% | |
| 243 | 0.3% | 36% | |
| 244 | 10% | 36% | |
| 245 | 2% | 26% | |
| 246 | 0.6% | 24% | |
| 247 | 1.2% | 23% | |
| 248 | 0.8% | 22% | |
| 249 | 1.0% | 21% | |
| 250 | 0.8% | 21% | |
| 251 | 0.6% | 20% | |
| 252 | 1.2% | 19% | |
| 253 | 1.4% | 18% | |
| 254 | 0.3% | 17% | |
| 255 | 0.2% | 16% | |
| 256 | 0.4% | 16% | |
| 257 | 2% | 16% | |
| 258 | 0.8% | 14% | |
| 259 | 1.0% | 13% | |
| 260 | 0.4% | 12% | |
| 261 | 0.5% | 12% | |
| 262 | 1.0% | 11% | Last Result | 
| 263 | 0.7% | 10% | |
| 264 | 0.3% | 10% | |
| 265 | 1.3% | 9% | |
| 266 | 0.4% | 8% | |
| 267 | 0.3% | 8% | |
| 268 | 0.6% | 7% | |
| 269 | 1.0% | 7% | |
| 270 | 0.4% | 6% | |
| 271 | 0.5% | 5% | |
| 272 | 1.2% | 5% | |
| 273 | 0.2% | 4% | |
| 274 | 0.5% | 3% | |
| 275 | 0.4% | 3% | |
| 276 | 0.4% | 2% | |
| 277 | 0.2% | 2% | |
| 278 | 0.3% | 2% | |
| 279 | 0.2% | 2% | |
| 280 | 0.4% | 1.4% | |
| 281 | 0.1% | 1.0% | |
| 282 | 0.4% | 0.9% | |
| 283 | 0.1% | 0.5% | |
| 284 | 0.1% | 0.4% | |
| 285 | 0.1% | 0.3% | |
| 286 | 0.1% | 0.3% | |
| 287 | 0% | 0.1% | |
| 288 | 0% | 0.1% | |
| 289 | 0% | 0.1% | |
| 290 | 0% | 0.1% | |
| 291 | 0% | 0% | 
Labour Party

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 170 | 0% | 100% | |
| 171 | 0.1% | 99.9% | |
| 172 | 0% | 99.9% | |
| 173 | 0% | 99.9% | |
| 174 | 0% | 99.9% | |
| 175 | 0% | 99.9% | |
| 176 | 0% | 99.8% | |
| 177 | 0% | 99.8% | |
| 178 | 0% | 99.8% | |
| 179 | 0% | 99.8% | |
| 180 | 0% | 99.8% | |
| 181 | 0.1% | 99.8% | |
| 182 | 0% | 99.7% | |
| 183 | 0% | 99.7% | |
| 184 | 0.1% | 99.7% | |
| 185 | 0.3% | 99.6% | |
| 186 | 0.1% | 99.3% | |
| 187 | 0.1% | 99.3% | |
| 188 | 0.1% | 99.2% | |
| 189 | 0.1% | 99.1% | |
| 190 | 0.1% | 99.1% | |
| 191 | 0.5% | 99.0% | |
| 192 | 0.1% | 98% | |
| 193 | 0.2% | 98% | |
| 194 | 0.1% | 98% | |
| 195 | 0.1% | 98% | |
| 196 | 0.4% | 98% | |
| 197 | 0.2% | 98% | |
| 198 | 0.5% | 98% | |
| 199 | 0.6% | 97% | |
| 200 | 0.3% | 96% | |
| 201 | 0.8% | 96% | |
| 202 | 0.3% | 95% | |
| 203 | 0.2% | 95% | |
| 204 | 0.9% | 95% | |
| 205 | 0.4% | 94% | |
| 206 | 0.2% | 93% | |
| 207 | 0.7% | 93% | |
| 208 | 1.2% | 93% | |
| 209 | 0.5% | 91% | |
| 210 | 3% | 91% | |
| 211 | 3% | 87% | |
| 212 | 2% | 84% | |
| 213 | 0.6% | 82% | |
| 214 | 3% | 82% | |
| 215 | 0.7% | 79% | |
| 216 | 0.2% | 78% | |
| 217 | 0.6% | 78% | |
| 218 | 2% | 77% | |
| 219 | 0.8% | 75% | |
| 220 | 0.4% | 74% | |
| 221 | 0.4% | 74% | |
| 222 | 0.7% | 74% | |
| 223 | 3% | 73% | |
| 224 | 4% | 70% | |
| 225 | 0.7% | 66% | |
| 226 | 0.4% | 66% | |
| 227 | 1.5% | 65% | |
| 228 | 2% | 64% | |
| 229 | 0.4% | 62% | |
| 230 | 7% | 61% | |
| 231 | 0.7% | 54% | |
| 232 | 5% | 54% | Median | 
| 233 | 1.4% | 49% | |
| 234 | 2% | 47% | |
| 235 | 0.5% | 45% | |
| 236 | 0.4% | 45% | |
| 237 | 2% | 44% | |
| 238 | 2% | 42% | |
| 239 | 2% | 41% | |
| 240 | 1.3% | 39% | |
| 241 | 1.3% | 38% | |
| 242 | 0.3% | 37% | |
| 243 | 0.3% | 36% | |
| 244 | 10% | 36% | |
| 245 | 2% | 26% | |
| 246 | 0.6% | 24% | |
| 247 | 1.2% | 23% | |
| 248 | 0.8% | 22% | |
| 249 | 1.0% | 21% | |
| 250 | 0.8% | 21% | |
| 251 | 0.6% | 20% | |
| 252 | 1.2% | 19% | |
| 253 | 1.4% | 18% | |
| 254 | 0.3% | 17% | |
| 255 | 0.2% | 16% | |
| 256 | 0.4% | 16% | |
| 257 | 2% | 16% | |
| 258 | 0.8% | 14% | |
| 259 | 1.0% | 13% | |
| 260 | 0.4% | 12% | |
| 261 | 0.5% | 12% | |
| 262 | 1.0% | 11% | Last Result | 
| 263 | 0.7% | 10% | |
| 264 | 0.3% | 10% | |
| 265 | 1.3% | 9% | |
| 266 | 0.4% | 8% | |
| 267 | 0.3% | 8% | |
| 268 | 0.6% | 7% | |
| 269 | 1.0% | 7% | |
| 270 | 0.4% | 6% | |
| 271 | 0.5% | 5% | |
| 272 | 1.2% | 5% | |
| 273 | 0.2% | 4% | |
| 274 | 0.5% | 3% | |
| 275 | 0.4% | 3% | |
| 276 | 0.4% | 2% | |
| 277 | 0.2% | 2% | |
| 278 | 0.3% | 2% | |
| 279 | 0.2% | 2% | |
| 280 | 0.4% | 1.4% | |
| 281 | 0.1% | 1.0% | |
| 282 | 0.4% | 0.9% | |
| 283 | 0.1% | 0.5% | |
| 284 | 0.1% | 0.4% | |
| 285 | 0.1% | 0.3% | |
| 286 | 0.1% | 0.3% | |
| 287 | 0% | 0.1% | |
| 288 | 0% | 0.1% | |
| 289 | 0% | 0.1% | |
| 290 | 0% | 0.1% | |
| 291 | 0% | 0% | 
Technical Information
Opinion Poll
- Polling firm: YouGov
 - Commissioner(s): —
 - Fieldwork period: 29–30 April 2019
 
Calculations
- Sample size: 1630
 - Simulations done: 1,048,576
 - Error estimate: 0.99%