Opinion Poll by Opinium for The Observer, 11–13 September 2018

Voting Intentions | Seats | Coalitions | Technical Information

Voting Intentions

Graph with voting intentions not yet produced

Confidence Intervals

Party Last Result Poll Result 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Conservative Party 42.4% 39.4% 38.0–40.8% 37.6–41.2% 37.3–41.5% 36.6–42.2%
Labour Party 40.0% 38.4% 37.0–39.8% 36.6–40.2% 36.3–40.5% 35.6–41.2%
Liberal Democrats 7.4% 7.1% 6.4–7.8% 6.2–8.1% 6.0–8.3% 5.7–8.7%
UK Independence Party 1.8% 6.1% 5.4–6.8% 5.2–7.0% 5.1–7.2% 4.8–7.6%
Scottish National Party 3.0% 4.0% 3.5–4.6% 3.4–4.8% 3.2–5.0% 3.0–5.3%
Green Party 1.6% 3.0% 2.6–3.6% 2.5–3.7% 2.4–3.9% 2.2–4.2%
Plaid Cymru 0.5% 1.0% 0.8–1.4% 0.7–1.4% 0.6–1.5% 0.5–1.7%

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

Graph with seats not yet produced

Confidence Intervals

Party Last Result Median 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Conservative Party 317 297 273–320 268–324 265–328 260–335
Labour Party 262 265 243–286 239–291 237–294 231–299
Liberal Democrats 12 11 5–15 4–16 4–17 2–19
UK Independence Party 0 1 1 1 1 1
Scottish National Party 35 54 47–57 45–58 41–58 39–58
Green Party 1 1 1 1 1 1
Plaid Cymru 4 5 5 4–6 4–8 4–8

Conservative Party

For a full overview of the results for this party, see the Conservative Party page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
252 0% 100%  
253 0% 99.9%  
254 0% 99.9%  
255 0% 99.9%  
256 0% 99.9%  
257 0.1% 99.8%  
258 0.1% 99.8%  
259 0.1% 99.6%  
260 0.1% 99.5%  
261 0.2% 99.4%  
262 0.5% 99.2%  
263 0.4% 98.7%  
264 0.6% 98%  
265 0.7% 98%  
266 0.8% 97%  
267 0.8% 96%  
268 0.5% 95%  
269 0.9% 95%  
270 1.0% 94%  
271 1.1% 93%  
272 1.1% 92%  
273 1.0% 91%  
274 1.4% 90%  
275 1.4% 88%  
276 2% 87%  
277 2% 85%  
278 1.5% 83%  
279 2% 82%  
280 1.4% 80%  
281 2% 78%  
282 1.3% 77%  
283 2% 75%  
284 2% 73%  
285 1.4% 72%  
286 2% 70%  
287 2% 69%  
288 2% 66%  
289 1.3% 65%  
290 3% 63%  
291 2% 60%  
292 0.7% 58%  
293 2% 57%  
294 2% 56%  
295 2% 54%  
296 1.1% 52%  
297 4% 51% Median
298 0.7% 46%  
299 1.0% 45%  
300 3% 44%  
301 3% 41%  
302 1.0% 39%  
303 4% 38%  
304 2% 33%  
305 2% 32%  
306 2% 30%  
307 1.5% 28%  
308 3% 27%  
309 0.6% 24%  
310 0.9% 24%  
311 1.2% 23%  
312 2% 21%  
313 0.9% 19%  
314 2% 19%  
315 1.1% 17%  
316 0.7% 16%  
317 0.9% 15% Last Result
318 3% 14%  
319 0.9% 12%  
320 1.2% 11%  
321 2% 10%  
322 0.9% 8%  
323 1.1% 7%  
324 0.9% 6%  
325 1.3% 5%  
326 0.3% 4% Majority
327 0.4% 3%  
328 0.4% 3%  
329 0.7% 2%  
330 0.4% 2%  
331 0.2% 1.4%  
332 0.3% 1.2%  
333 0.1% 0.9%  
334 0.2% 0.8%  
335 0.2% 0.6%  
336 0.1% 0.4%  
337 0% 0.3%  
338 0.1% 0.2%  
339 0% 0.2%  
340 0% 0.1%  
341 0% 0.1%  
342 0% 0.1%  
343 0% 0%  

Labour Party

For a full overview of the results for this party, see the Labour Party page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
225 0% 100%  
226 0.1% 99.9%  
227 0.1% 99.9%  
228 0.1% 99.8%  
229 0.1% 99.8%  
230 0.1% 99.7%  
231 0.2% 99.6%  
232 0.1% 99.4%  
233 0.1% 99.3%  
234 0.2% 99.2%  
235 0.2% 99.0%  
236 0.5% 98.8%  
237 2% 98%  
238 1.4% 97%  
239 2% 95%  
240 2% 94%  
241 0.5% 91%  
242 0.2% 91%  
243 0.8% 91%  
244 2% 90%  
245 1.0% 88%  
246 0.8% 87%  
247 0.8% 86%  
248 4% 85%  
249 0.4% 81%  
250 1.3% 81%  
251 3% 80%  
252 0.8% 77%  
253 0.3% 76%  
254 0.5% 76%  
255 2% 75%  
256 5% 73%  
257 2% 68%  
258 0.5% 66%  
259 3% 66%  
260 2% 63%  
261 1.1% 61%  
262 6% 60% Last Result
263 0.9% 54%  
264 0.9% 53%  
265 3% 52% Median
266 3% 49%  
267 0.4% 46%  
268 0.3% 46%  
269 0.7% 45%  
270 2% 45%  
271 7% 43%  
272 2% 36%  
273 2% 34%  
274 1.3% 32%  
275 0.8% 31%  
276 2% 30%  
277 2% 28%  
278 0.9% 26%  
279 3% 25%  
280 2% 22%  
281 0.8% 21%  
282 0.6% 20%  
283 4% 19%  
284 2% 16%  
285 2% 14%  
286 1.3% 11%  
287 0.8% 10%  
288 0.4% 9%  
289 0.8% 9%  
290 2% 8%  
291 0.8% 6%  
292 0.8% 5%  
293 1.2% 4%  
294 0.9% 3%  
295 0.5% 2%  
296 0.2% 1.5%  
297 0.5% 1.3%  
298 0.3% 0.8%  
299 0.1% 0.5%  
300 0% 0.5%  
301 0.1% 0.4%  
302 0.1% 0.3%  
303 0.1% 0.2%  
304 0% 0.1%  
305 0% 0.1%  
306 0% 0.1%  
307 0% 0.1%  
308 0% 0%  

Liberal Democrats

For a full overview of the results for this party, see the Liberal Democrats page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
2 1.0% 100%  
3 0.9% 98.9%  
4 3% 98%  
5 6% 95%  
6 3% 89%  
7 5% 86%  
8 3% 81%  
9 13% 78%  
10 8% 65%  
11 19% 57% Median
12 9% 38% Last Result
13 6% 29%  
14 10% 23%  
15 6% 13%  
16 3% 7%  
17 1.4% 4%  
18 1.0% 2%  
19 0.7% 1.1%  
20 0.2% 0.4%  
21 0.1% 0.2%  
22 0.1% 0.2%  
23 0% 0.1%  
24 0% 0.1%  
25 0% 0%  

UK Independence Party

For a full overview of the results for this party, see the UK Independence Party page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 99.9% 100% Median
2 0.1% 0.1%  
3 0% 0%  

Scottish National Party

For a full overview of the results for this party, see the Scottish National Party page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
26 0% 100%  
27 0% 99.9%  
28 0% 99.9%  
29 0% 99.9%  
30 0% 99.8%  
31 0% 99.8%  
32 0% 99.8%  
33 0% 99.8%  
34 0% 99.8%  
35 0% 99.7% Last Result
36 0% 99.7%  
37 0% 99.7%  
38 0.1% 99.6%  
39 0.1% 99.6%  
40 0.6% 99.4%  
41 2% 98.8%  
42 1.4% 97%  
43 0.6% 96%  
44 0.1% 95%  
45 3% 95%  
46 2% 92%  
47 1.5% 90%  
48 5% 89%  
49 4% 83%  
50 0.8% 79%  
51 6% 78%  
52 5% 72%  
53 1.1% 68%  
54 27% 67% Median
55 25% 40%  
56 3% 15%  
57 4% 12%  
58 7% 7%  
59 0% 0%  

Green Party

For a full overview of the results for this party, see the Green Party page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
1 99.9% 100% Last Result, Median
2 0.1% 0.1%  
3 0% 0%  

Plaid Cymru

For a full overview of the results for this party, see the Plaid Cymru page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
2 0.1% 100%  
3 0.2% 99.9%  
4 6% 99.7% Last Result
5 86% 93% Median
6 3% 8%  
7 0.7% 5%  
8 4% 4%  
9 0.2% 0.2%  
10 0% 0%  

Coalitions

Graph with coalitions seats not yet produced

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 356 354 96% 331–378 326–382 323–386 317–391
Conservative Party – Scottish National Party 352 349 91% 326–373 321–377 318–381 312–386
Labour Party – Liberal Democrats – Scottish National Party – Plaid Cymru 313 333 68% 310–357 306–362 302–365 295–370
Labour Party – Liberal Democrats – Scottish National Party 309 328 55% 305–352 300–357 296–360 290–365
Labour Party – Scottish National Party – Plaid Cymru 301 322 44% 300–346 297–350 294–353 285–357
Labour Party – Scottish National Party 297 317 36% 294–341 291–345 288–348 280–353
Conservative Party – Liberal Democrats 329 308 16% 284–330 280–333 277–336 273–345
Conservative Party – Plaid Cymru 321 302 10% 278–325 273–330 270–334 265–340
Conservative Party 317 297 4% 273–320 268–324 265–328 260–335
Labour Party – Liberal Democrats – Plaid Cymru 278 281 0.1% 257–304 253–309 249–312 244–318
Labour Party – Liberal Democrats 274 276 0% 252–299 248–304 244–307 239–313
Labour Party – Plaid Cymru 266 270 0% 248–291 244–296 242–299 236–304
Labour Party 262 265 0% 243–286 239–291 237–294 231–299

Conservative Party – Scottish National Party – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
308 0% 100%  
309 0% 99.9%  
310 0% 99.9%  
311 0% 99.9%  
312 0% 99.9%  
313 0% 99.8%  
314 0.1% 99.8%  
315 0.1% 99.7%  
316 0.1% 99.7%  
317 0.2% 99.6%  
318 0.1% 99.4%  
319 0.3% 99.3%  
320 0.3% 99.0%  
321 0.3% 98.7%  
322 0.6% 98%  
323 0.5% 98%  
324 0.6% 97%  
325 1.3% 97%  
326 1.0% 96% Majority
327 0.5% 95%  
328 0.8% 94%  
329 0.8% 93%  
330 2% 92%  
331 1.2% 91%  
332 0.9% 89%  
333 1.1% 89%  
334 2% 88%  
335 1.4% 86%  
336 3% 84%  
337 0.7% 81%  
338 2% 80%  
339 1.0% 79%  
340 3% 78%  
341 2% 75%  
342 1.4% 73%  
343 1.0% 71%  
344 2% 70%  
345 2% 68%  
346 2% 66%  
347 2% 64%  
348 2% 62%  
349 1.4% 61%  
350 4% 59%  
351 1.3% 55%  
352 0.7% 54%  
353 3% 53%  
354 3% 51%  
355 1.5% 48%  
356 2% 46% Last Result, Median
357 2% 45%  
358 0.8% 43%  
359 3% 42%  
360 3% 38%  
361 0.7% 36%  
362 2% 35%  
363 4% 33%  
364 2% 30%  
365 2% 28%  
366 0.8% 26%  
367 2% 25%  
368 3% 24%  
369 0.8% 21%  
370 1.1% 20%  
371 2% 19%  
372 1.1% 17%  
373 1.3% 16%  
374 0.9% 15%  
375 0.9% 14%  
376 1.0% 13%  
377 2% 12%  
378 1.2% 10%  
379 1.0% 9%  
380 2% 8%  
381 0.8% 6%  
382 1.3% 6%  
383 0.5% 4%  
384 0.5% 4%  
385 0.4% 3%  
386 0.8% 3%  
387 0.4% 2%  
388 0.5% 1.5%  
389 0.2% 1.0%  
390 0.1% 0.7%  
391 0.1% 0.6%  
392 0.2% 0.5%  
393 0.1% 0.3%  
394 0% 0.3%  
395 0.1% 0.2%  
396 0% 0.1%  
397 0% 0.1%  
398 0% 0.1%  
399 0% 0.1%  
400 0% 0%  

Conservative Party – Scottish National Party

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
304 0% 100%  
305 0% 99.9%  
306 0% 99.9%  
307 0% 99.9%  
308 0% 99.8%  
309 0.1% 99.8%  
310 0.1% 99.8%  
311 0.1% 99.7%  
312 0.2% 99.6%  
313 0.2% 99.4%  
314 0.2% 99.3%  
315 0.3% 99.0%  
316 0.3% 98.8%  
317 0.6% 98%  
318 0.4% 98%  
319 0.7% 97%  
320 1.2% 97%  
321 1.0% 96%  
322 0.6% 95%  
323 0.8% 94%  
324 0.9% 93%  
325 2% 92%  
326 1.2% 91% Majority
327 0.8% 89%  
328 1.2% 89%  
329 2% 87%  
330 2% 86%  
331 3% 84%  
332 0.7% 81%  
333 2% 80%  
334 1.1% 79%  
335 3% 78%  
336 2% 75%  
337 2% 73%  
338 1.0% 71%  
339 2% 70%  
340 2% 68%  
341 1.2% 66%  
342 2% 65%  
343 2% 62%  
344 1.5% 61%  
345 4% 59%  
346 2% 55%  
347 0.6% 54%  
348 3% 53%  
349 3% 50%  
350 1.3% 48%  
351 2% 46% Median
352 2% 45% Last Result
353 1.0% 42%  
354 3% 41%  
355 3% 38%  
356 0.7% 36%  
357 2% 35%  
358 4% 33%  
359 2% 29%  
360 2% 27%  
361 0.7% 26%  
362 1.5% 25%  
363 3% 24%  
364 0.9% 21%  
365 1.2% 20%  
366 2% 19%  
367 1.1% 17%  
368 1.2% 16%  
369 0.8% 15%  
370 0.9% 14%  
371 1.0% 13%  
372 2% 12%  
373 1.3% 10%  
374 0.9% 9%  
375 2% 8%  
376 0.9% 6%  
377 1.2% 5%  
378 0.5% 4%  
379 0.5% 3%  
380 0.4% 3%  
381 1.0% 3%  
382 0.4% 2%  
383 0.5% 1.3%  
384 0.2% 0.8%  
385 0.1% 0.6%  
386 0.1% 0.5%  
387 0.2% 0.4%  
388 0% 0.3%  
389 0% 0.2%  
390 0.1% 0.2%  
391 0% 0.1%  
392 0% 0.1%  
393 0% 0.1%  
394 0% 0%  

Labour Party – Liberal Democrats – Scottish National Party – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
288 0% 100%  
289 0% 99.9%  
290 0% 99.9%  
291 0% 99.9%  
292 0.1% 99.8%  
293 0% 99.8%  
294 0.1% 99.7%  
295 0.2% 99.6%  
296 0.2% 99.4%  
297 0.1% 99.2%  
298 0.3% 99.1%  
299 0.2% 98.8%  
300 0.4% 98.6%  
301 0.7% 98%  
302 0.4% 98%  
303 0.4% 97%  
304 0.3% 97%  
305 1.3% 96%  
306 0.9% 95%  
307 1.1% 94%  
308 0.9% 93%  
309 2% 92%  
310 1.2% 90%  
311 0.9% 89%  
312 3% 88%  
313 0.9% 86% Last Result
314 0.6% 85%  
315 1.1% 84%  
316 2% 83%  
317 0.9% 81%  
318 2% 81%  
319 1.2% 79%  
320 0.9% 77%  
321 0.6% 76%  
322 3% 76%  
323 1.5% 73%  
324 2% 72%  
325 2% 70%  
326 2% 68% Majority
327 4% 67%  
328 1.0% 62%  
329 3% 61%  
330 3% 59%  
331 1.0% 56%  
332 0.7% 55%  
333 4% 54%  
334 1.1% 49%  
335 2% 48% Median
336 2% 46%  
337 2% 44%  
338 0.7% 43%  
339 2% 42%  
340 3% 40%  
341 1.3% 37%  
342 2% 35%  
343 2% 34%  
344 2% 31%  
345 1.4% 30%  
346 2% 28%  
347 2% 27%  
348 1.3% 25%  
349 2% 23%  
350 1.4% 22%  
351 2% 20%  
352 1.5% 18%  
353 2% 17%  
354 2% 15%  
355 1.4% 13%  
356 1.4% 12%  
357 1.0% 10%  
358 1.1% 9%  
359 1.1% 8%  
360 1.0% 7%  
361 0.9% 6%  
362 0.5% 5%  
363 0.8% 5%  
364 0.8% 4%  
365 0.7% 3%  
366 0.6% 2%  
367 0.4% 2%  
368 0.5% 1.3%  
369 0.2% 0.8%  
370 0.1% 0.6%  
371 0.1% 0.5%  
372 0.1% 0.4%  
373 0.1% 0.2%  
374 0% 0.2%  
375 0% 0.1%  
376 0% 0.1%  
377 0% 0.1%  
378 0% 0.1%  
379 0% 0%  

Labour Party – Liberal Democrats – Scottish National Party

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
282 0% 100%  
283 0% 99.9%  
284 0% 99.9%  
285 0% 99.9%  
286 0% 99.9%  
287 0.1% 99.8%  
288 0.1% 99.7%  
289 0.1% 99.7%  
290 0.2% 99.6%  
291 0.2% 99.4%  
292 0.2% 99.1%  
293 0.3% 99.0%  
294 0.2% 98.6%  
295 0.3% 98%  
296 0.6% 98%  
297 0.5% 97%  
298 0.5% 97%  
299 0.3% 96%  
300 1.2% 96%  
301 0.8% 95%  
302 1.2% 94%  
303 0.9% 93%  
304 2% 92%  
305 1.1% 90%  
306 0.9% 89%  
307 2% 88%  
308 1.1% 86%  
309 0.6% 85% Last Result
310 1.1% 84%  
311 2% 83%  
312 0.9% 81%  
313 2% 80%  
314 1.5% 79%  
315 1.0% 77%  
316 0.6% 76%  
317 2% 76%  
318 2% 73%  
319 2% 72%  
320 2% 70%  
321 2% 68%  
322 4% 66%  
323 1.0% 62%  
324 3% 61%  
325 3% 58%  
326 1.2% 55% Majority
327 0.7% 54%  
328 4% 54%  
329 1.3% 49%  
330 2% 48% Median
331 2% 46%  
332 2% 44%  
333 0.8% 42%  
334 2% 42%  
335 3% 40%  
336 1.4% 37%  
337 2% 35%  
338 2% 34%  
339 2% 32%  
340 1.3% 29%  
341 2% 28%  
342 2% 26%  
343 1.1% 25%  
344 2% 24%  
345 1.5% 22%  
346 2% 20%  
347 1.5% 18%  
348 2% 17%  
349 2% 14%  
350 1.1% 13%  
351 2% 12%  
352 1.0% 10%  
353 1.4% 9%  
354 0.9% 8%  
355 0.9% 7%  
356 1.0% 6%  
357 0.5% 5%  
358 0.7% 5%  
359 0.8% 4%  
360 0.6% 3%  
361 0.5% 2%  
362 0.5% 2%  
363 0.4% 1.3%  
364 0.3% 0.9%  
365 0.1% 0.6%  
366 0.1% 0.5%  
367 0.1% 0.4%  
368 0.1% 0.3%  
369 0% 0.2%  
370 0% 0.1%  
371 0% 0.1%  
372 0% 0.1%  
373 0% 0.1%  
374 0% 0%  

Labour Party – Scottish National Party – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
278 0% 100%  
279 0% 99.9%  
280 0% 99.9%  
281 0% 99.9%  
282 0% 99.9%  
283 0.1% 99.8%  
284 0.1% 99.8%  
285 0.2% 99.6%  
286 0.1% 99.5%  
287 0.2% 99.3%  
288 0.2% 99.1%  
289 0.2% 98.9%  
290 0.3% 98.7%  
291 0.3% 98%  
292 0.3% 98%  
293 0.3% 98%  
294 0.9% 98%  
295 0.6% 97%  
296 0.9% 96%  
297 2% 95%  
298 1.2% 93%  
299 2% 92%  
300 0.7% 90%  
301 0.9% 89% Last Result
302 0.6% 88%  
303 2% 88%  
304 1.1% 86%  
305 1.2% 84%  
306 0.3% 83%  
307 3% 83%  
308 1.4% 80%  
309 2% 78%  
310 0.7% 77%  
311 2% 76%  
312 0.7% 74%  
313 1.5% 73%  
314 2% 71%  
315 3% 70%  
316 4% 67%  
317 0.7% 63%  
318 2% 62%  
319 3% 60%  
320 1.2% 57%  
321 3% 56%  
322 4% 53%  
323 0.7% 49%  
324 2% 49% Median
325 3% 47%  
326 2% 44% Majority
327 0.8% 42%  
328 0.6% 41%  
329 2% 41%  
330 3% 39%  
331 3% 36%  
332 1.4% 33%  
333 2% 31%  
334 2% 29%  
335 2% 28%  
336 1.2% 26%  
337 2% 25%  
338 2% 23%  
339 2% 21%  
340 0.9% 19%  
341 0.6% 18%  
342 3% 18%  
343 2% 15%  
344 2% 13%  
345 0.8% 11%  
346 2% 10%  
347 1.1% 9%  
348 0.6% 7%  
349 0.7% 7%  
350 1.4% 6%  
351 0.7% 5%  
352 1.0% 4%  
353 0.7% 3%  
354 0.8% 2%  
355 0.4% 2%  
356 0.4% 1.2%  
357 0.4% 0.9%  
358 0.1% 0.5%  
359 0.1% 0.4%  
360 0.1% 0.3%  
361 0.1% 0.2%  
362 0% 0.1%  
363 0% 0.1%  
364 0% 0.1%  
365 0% 0.1%  
366 0% 0%  

Labour Party – Scottish National Party

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
272 0% 100%  
273 0% 99.9%  
274 0% 99.9%  
275 0% 99.9%  
276 0% 99.9%  
277 0.1% 99.8%  
278 0.1% 99.8%  
279 0.1% 99.7%  
280 0.2% 99.6%  
281 0.2% 99.4%  
282 0.2% 99.2%  
283 0.2% 99.0%  
284 0.2% 98.8%  
285 0.4% 98.6%  
286 0.3% 98%  
287 0.4% 98%  
288 0.4% 98%  
289 1.0% 97%  
290 0.6% 96%  
291 0.8% 96%  
292 2% 95%  
293 1.2% 93%  
294 2% 92%  
295 0.6% 90%  
296 1.0% 89%  
297 0.7% 88% Last Result
298 2% 88%  
299 1.4% 85%  
300 1.1% 84%  
301 0.4% 83%  
302 3% 83%  
303 1.5% 80%  
304 2% 78%  
305 0.8% 77%  
306 2% 76%  
307 0.8% 73%  
308 1.4% 73%  
309 2% 71%  
310 2% 69%  
311 4% 67%  
312 0.6% 63%  
313 2% 62%  
314 3% 60%  
315 1.2% 57%  
316 3% 56%  
317 4% 53%  
318 0.9% 49%  
319 2% 48% Median
320 3% 47%  
321 2% 44%  
322 0.9% 42%  
323 0.7% 41%  
324 2% 40%  
325 3% 39%  
326 3% 36% Majority
327 2% 33%  
328 2% 31%  
329 2% 29%  
330 2% 28%  
331 1.0% 26%  
332 2% 25%  
333 1.4% 23%  
334 2% 21%  
335 1.0% 19%  
336 0.6% 18%  
337 2% 17%  
338 2% 15%  
339 2% 13%  
340 0.8% 11%  
341 2% 10%  
342 0.9% 8%  
343 0.7% 7%  
344 0.6% 7%  
345 1.4% 6%  
346 0.6% 5%  
347 0.9% 4%  
348 0.8% 3%  
349 0.6% 2%  
350 0.5% 2%  
351 0.3% 1.3%  
352 0.4% 0.9%  
353 0.1% 0.6%  
354 0.1% 0.4%  
355 0.1% 0.4%  
356 0.1% 0.2%  
357 0% 0.2%  
358 0% 0.1%  
359 0% 0.1%  
360 0% 0.1%  
361 0% 0%  

Conservative Party – Liberal Democrats

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
265 0% 100%  
266 0% 99.9%  
267 0% 99.9%  
268 0% 99.9%  
269 0.1% 99.9%  
270 0.1% 99.8%  
271 0.1% 99.7%  
272 0.1% 99.6%  
273 0.4% 99.5%  
274 0.4% 99.1%  
275 0.4% 98.8%  
276 0.8% 98%  
277 0.7% 98%  
278 1.0% 97%  
279 0.7% 96%  
280 1.4% 95%  
281 0.7% 94%  
282 0.6% 93%  
283 1.1% 93%  
284 2% 91%  
285 0.8% 90%  
286 2% 89%  
287 2% 87%  
288 3% 85%  
289 0.6% 82%  
290 0.9% 82%  
291 2% 81%  
292 2% 79%  
293 2% 77%  
294 1.2% 75%  
295 2% 74%  
296 2% 72%  
297 2% 71%  
298 1.4% 69%  
299 3% 67%  
300 3% 64%  
301 2% 61%  
302 0.6% 59%  
303 0.8% 59%  
304 2% 58%  
305 3% 56%  
306 2% 53%  
307 0.7% 51%  
308 4% 51% Median
309 3% 47%  
310 1.2% 44%  
311 3% 43%  
312 2% 40%  
313 0.7% 38%  
314 4% 37%  
315 3% 33%  
316 2% 30%  
317 1.5% 29%  
318 0.7% 27%  
319 2% 26%  
320 0.7% 24%  
321 2% 23%  
322 1.4% 22%  
323 3% 20%  
324 0.3% 17%  
325 1.2% 17%  
326 1.1% 16% Majority
327 2% 14%  
328 0.6% 12%  
329 0.9% 12% Last Result
330 0.7% 11%  
331 2% 10%  
332 1.2% 8%  
333 2% 7%  
334 0.9% 5%  
335 0.6% 4%  
336 0.9% 3%  
337 0.3% 2%  
338 0.3% 2%  
339 0.3% 2%  
340 0.3% 2%  
341 0.2% 1.3%  
342 0.2% 1.1%  
343 0.2% 0.9%  
344 0.1% 0.7%  
345 0.2% 0.5%  
346 0.1% 0.4%  
347 0.1% 0.2%  
348 0% 0.2%  
349 0% 0.1%  
350 0% 0.1%  
351 0% 0.1%  
352 0% 0.1%  
353 0% 0%  

Conservative Party – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
257 0% 100%  
258 0% 99.9%  
259 0% 99.9%  
260 0% 99.9%  
261 0% 99.9%  
262 0.1% 99.8%  
263 0.1% 99.7%  
264 0.1% 99.6%  
265 0.1% 99.5%  
266 0.3% 99.4%  
267 0.4% 99.1%  
268 0.5% 98.7%  
269 0.5% 98%  
270 0.6% 98%  
271 0.8% 97%  
272 0.7% 96%  
273 0.5% 95%  
274 1.0% 95%  
275 0.9% 94%  
276 0.9% 93%  
277 1.4% 92%  
278 1.0% 91%  
279 2% 90%  
280 1.1% 88%  
281 2% 87%  
282 2% 86%  
283 1.5% 83%  
284 2% 82%  
285 1.5% 80%  
286 2% 78%  
287 1.1% 76%  
288 2% 75%  
289 2% 74%  
290 1.3% 72%  
291 2% 71%  
292 2% 68%  
293 2% 66%  
294 1.3% 65%  
295 3% 63%  
296 2% 60%  
297 0.8% 58%  
298 2% 58%  
299 2% 56%  
300 2% 54%  
301 1.3% 52%  
302 4% 51% Median
303 0.7% 46%  
304 1.2% 46%  
305 3% 45%  
306 3% 42%  
307 1.0% 39%  
308 4% 38%  
309 2% 34%  
310 2% 32%  
311 2% 30%  
312 2% 28%  
313 2% 27%  
314 0.6% 24%  
315 1.0% 24%  
316 1.4% 23%  
317 2% 21%  
318 0.9% 20%  
319 2% 19%  
320 1.1% 17%  
321 0.6% 16% Last Result
322 1.0% 15%  
323 2% 14%  
324 0.9% 12%  
325 1.1% 11%  
326 2% 10% Majority
327 0.9% 8%  
328 1.2% 7%  
329 0.8% 6%  
330 1.2% 5%  
331 0.3% 4%  
332 0.5% 4%  
333 0.5% 3%  
334 0.6% 3%  
335 0.3% 2%  
336 0.2% 2%  
337 0.3% 1.4%  
338 0.2% 1.0%  
339 0.2% 0.9%  
340 0.2% 0.6%  
341 0.1% 0.4%  
342 0.1% 0.3%  
343 0.1% 0.3%  
344 0% 0.2%  
345 0% 0.1%  
346 0% 0.1%  
347 0% 0.1%  
348 0% 0.1%  
349 0% 0%  

Conservative Party

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
252 0% 100%  
253 0% 99.9%  
254 0% 99.9%  
255 0% 99.9%  
256 0% 99.9%  
257 0.1% 99.8%  
258 0.1% 99.8%  
259 0.1% 99.6%  
260 0.1% 99.5%  
261 0.2% 99.4%  
262 0.5% 99.2%  
263 0.4% 98.7%  
264 0.6% 98%  
265 0.7% 98%  
266 0.8% 97%  
267 0.8% 96%  
268 0.5% 95%  
269 0.9% 95%  
270 1.0% 94%  
271 1.1% 93%  
272 1.1% 92%  
273 1.0% 91%  
274 1.4% 90%  
275 1.4% 88%  
276 2% 87%  
277 2% 85%  
278 1.5% 83%  
279 2% 82%  
280 1.4% 80%  
281 2% 78%  
282 1.3% 77%  
283 2% 75%  
284 2% 73%  
285 1.4% 72%  
286 2% 70%  
287 2% 69%  
288 2% 66%  
289 1.3% 65%  
290 3% 63%  
291 2% 60%  
292 0.7% 58%  
293 2% 57%  
294 2% 56%  
295 2% 54%  
296 1.1% 52%  
297 4% 51% Median
298 0.7% 46%  
299 1.0% 45%  
300 3% 44%  
301 3% 41%  
302 1.0% 39%  
303 4% 38%  
304 2% 33%  
305 2% 32%  
306 2% 30%  
307 1.5% 28%  
308 3% 27%  
309 0.6% 24%  
310 0.9% 24%  
311 1.2% 23%  
312 2% 21%  
313 0.9% 19%  
314 2% 19%  
315 1.1% 17%  
316 0.7% 16%  
317 0.9% 15% Last Result
318 3% 14%  
319 0.9% 12%  
320 1.2% 11%  
321 2% 10%  
322 0.9% 8%  
323 1.1% 7%  
324 0.9% 6%  
325 1.3% 5%  
326 0.3% 4% Majority
327 0.4% 3%  
328 0.4% 3%  
329 0.7% 2%  
330 0.4% 2%  
331 0.2% 1.4%  
332 0.3% 1.2%  
333 0.1% 0.9%  
334 0.2% 0.8%  
335 0.2% 0.6%  
336 0.1% 0.4%  
337 0% 0.3%  
338 0.1% 0.2%  
339 0% 0.2%  
340 0% 0.1%  
341 0% 0.1%  
342 0% 0.1%  
343 0% 0%  

Labour Party – Liberal Democrats – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
237 0% 100%  
238 0% 99.9%  
239 0% 99.9%  
240 0.1% 99.9%  
241 0% 99.8%  
242 0% 99.8%  
243 0.2% 99.7%  
244 0.1% 99.6%  
245 0.1% 99.5%  
246 0.2% 99.4%  
247 0.5% 99.2%  
248 0.4% 98.7%  
249 1.0% 98%  
250 0.4% 97%  
251 0.5% 97%  
252 0.5% 97%  
253 1.2% 96%  
254 0.9% 95%  
255 2% 94%  
256 0.9% 92%  
257 1.3% 91%  
258 2% 90%  
259 1.0% 88%  
260 0.9% 87%  
261 0.8% 86%  
262 1.2% 85%  
263 1.1% 84%  
264 2% 83%  
265 1.2% 81%  
266 0.9% 80%  
267 3% 79%  
268 1.5% 76%  
269 0.7% 75%  
270 2% 74%  
271 2% 73%  
272 4% 71%  
273 2% 67%  
274 0.7% 65%  
275 3% 64%  
276 3% 62%  
277 1.0% 59%  
278 2% 58% Last Result
279 2% 55%  
280 1.3% 54%  
281 3% 52% Median
282 3% 50%  
283 0.6% 47%  
284 2% 46%  
285 4% 45%  
286 1.5% 41%  
287 2% 39%  
288 2% 38%  
289 1.2% 35%  
290 2% 34%  
291 2% 32%  
292 1.0% 30%  
293 2% 29%  
294 2% 27%  
295 3% 25%  
296 1.1% 22%  
297 2% 21%  
298 0.7% 20%  
299 3% 19%  
300 2% 16%  
301 2% 14%  
302 1.2% 13%  
303 0.8% 11%  
304 1.2% 11%  
305 2% 9%  
306 0.9% 8%  
307 0.8% 7%  
308 0.6% 6%  
309 1.0% 5%  
310 1.2% 4%  
311 0.7% 3%  
312 0.4% 3%  
313 0.6% 2%  
314 0.3% 2%  
315 0.3% 1.2%  
316 0.2% 1.0%  
317 0.2% 0.7%  
318 0.2% 0.6%  
319 0.1% 0.4%  
320 0.1% 0.3%  
321 0.1% 0.2%  
322 0% 0.2%  
323 0% 0.2%  
324 0% 0.1%  
325 0% 0.1%  
326 0% 0.1% Majority
327 0% 0%  

Labour Party – Liberal Democrats

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
231 0% 100%  
232 0% 99.9%  
233 0% 99.9%  
234 0% 99.9%  
235 0.1% 99.9%  
236 0% 99.8%  
237 0.1% 99.7%  
238 0.2% 99.7%  
239 0.1% 99.5%  
240 0.1% 99.4%  
241 0.2% 99.3%  
242 0.5% 99.0%  
243 0.4% 98.5%  
244 0.8% 98%  
245 0.4% 97%  
246 0.5% 97%  
247 0.5% 96%  
248 1.3% 96%  
249 0.8% 94%  
250 2% 94%  
251 1.0% 92%  
252 1.2% 91%  
253 2% 90%  
254 1.0% 88%  
255 0.9% 87%  
256 0.9% 86%  
257 1.3% 85%  
258 1.1% 84%  
259 2% 83%  
260 1.1% 81%  
261 0.8% 80%  
262 3% 79%  
263 2% 76%  
264 0.8% 75%  
265 2% 74%  
266 2% 72%  
267 4% 70%  
268 2% 67%  
269 0.7% 65%  
270 3% 64%  
271 3% 62%  
272 0.8% 58%  
273 2% 57%  
274 2% 55% Last Result
275 1.5% 54%  
276 3% 52% Median
277 3% 49%  
278 0.7% 47%  
279 1.3% 46%  
280 4% 45%  
281 1.4% 41%  
282 2% 39%  
283 2% 38%  
284 2% 36%  
285 2% 34%  
286 2% 32%  
287 1.0% 30%  
288 1.5% 29%  
289 2% 27%  
290 3% 25%  
291 1.0% 22%  
292 2% 21%  
293 0.7% 20%  
294 3% 19%  
295 1.4% 16%  
296 2% 14%  
297 1.1% 12%  
298 0.9% 11%  
299 1.2% 11%  
300 2% 9%  
301 0.8% 8%  
302 0.8% 7%  
303 0.5% 6%  
304 1.0% 5%  
305 1.3% 4%  
306 0.6% 3%  
307 0.5% 3%  
308 0.6% 2%  
309 0.3% 2%  
310 0.3% 1.3%  
311 0.3% 1.0%  
312 0.1% 0.7%  
313 0.2% 0.6%  
314 0.1% 0.4%  
315 0.1% 0.3%  
316 0.1% 0.3%  
317 0% 0.2%  
318 0% 0.2%  
319 0% 0.1%  
320 0% 0.1%  
321 0% 0.1%  
322 0% 0.1%  
323 0% 0%  

Labour Party – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
231 0.1% 100%  
232 0.1% 99.9%  
233 0.1% 99.9%  
234 0% 99.8%  
235 0.1% 99.8%  
236 0.2% 99.7%  
237 0.1% 99.5%  
238 0.1% 99.4%  
239 0.1% 99.2%  
240 0% 99.1%  
241 0.3% 99.1%  
242 2% 98.7%  
243 1.4% 97%  
244 2% 96%  
245 3% 94%  
246 0.3% 91%  
247 0.1% 91%  
248 0.9% 91%  
249 2% 90%  
250 0.8% 88%  
251 0.8% 87%  
252 0.8% 86%  
253 4% 86%  
254 0.4% 81%  
255 1.4% 81%  
256 3% 80%  
257 0.4% 77%  
258 0.1% 76%  
259 0.4% 76%  
260 2% 76%  
261 6% 73%  
262 1.2% 68%  
263 0.4% 67%  
264 3% 66%  
265 2% 63%  
266 1.1% 61% Last Result
267 7% 60%  
268 0.6% 54%  
269 0.9% 53%  
270 3% 52% Median
271 3% 49%  
272 0.3% 46%  
273 0.2% 46%  
274 0.6% 46%  
275 2% 45%  
276 7% 43%  
277 2% 36%  
278 1.4% 34%  
279 1.4% 32%  
280 0.8% 31%  
281 2% 30%  
282 2% 28%  
283 0.9% 26%  
284 3% 25%  
285 1.4% 22%  
286 0.7% 21%  
287 0.7% 20%  
288 4% 19%  
289 2% 16%  
290 3% 14%  
291 1.1% 11%  
292 0.7% 10%  
293 0.3% 9%  
294 0.9% 9%  
295 2% 8%  
296 0.7% 6%  
297 0.9% 5%  
298 1.1% 4%  
299 1.0% 3%  
300 0.4% 2%  
301 0.2% 1.4%  
302 0.5% 1.3%  
303 0.2% 0.7%  
304 0.1% 0.5%  
305 0% 0.5%  
306 0.1% 0.4%  
307 0.1% 0.3%  
308 0.1% 0.2%  
309 0% 0.1%  
310 0% 0.1%  
311 0% 0.1%  
312 0% 0.1%  
313 0% 0%  

Labour Party

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
225 0% 100%  
226 0.1% 99.9%  
227 0.1% 99.9%  
228 0.1% 99.8%  
229 0.1% 99.8%  
230 0.1% 99.7%  
231 0.2% 99.6%  
232 0.1% 99.4%  
233 0.1% 99.3%  
234 0.2% 99.2%  
235 0.2% 99.0%  
236 0.5% 98.8%  
237 2% 98%  
238 1.4% 97%  
239 2% 95%  
240 2% 94%  
241 0.5% 91%  
242 0.2% 91%  
243 0.8% 91%  
244 2% 90%  
245 1.0% 88%  
246 0.8% 87%  
247 0.8% 86%  
248 4% 85%  
249 0.4% 81%  
250 1.3% 81%  
251 3% 80%  
252 0.8% 77%  
253 0.3% 76%  
254 0.5% 76%  
255 2% 75%  
256 5% 73%  
257 2% 68%  
258 0.5% 66%  
259 3% 66%  
260 2% 63%  
261 1.1% 61%  
262 6% 60% Last Result
263 0.9% 54%  
264 0.9% 53%  
265 3% 52% Median
266 3% 49%  
267 0.4% 46%  
268 0.3% 46%  
269 0.7% 45%  
270 2% 45%  
271 7% 43%  
272 2% 36%  
273 2% 34%  
274 1.3% 32%  
275 0.8% 31%  
276 2% 30%  
277 2% 28%  
278 0.9% 26%  
279 3% 25%  
280 2% 22%  
281 0.8% 21%  
282 0.6% 20%  
283 4% 19%  
284 2% 16%  
285 2% 14%  
286 1.3% 11%  
287 0.8% 10%  
288 0.4% 9%  
289 0.8% 9%  
290 2% 8%  
291 0.8% 6%  
292 0.8% 5%  
293 1.2% 4%  
294 0.9% 3%  
295 0.5% 2%  
296 0.2% 1.5%  
297 0.5% 1.3%  
298 0.3% 0.8%  
299 0.1% 0.5%  
300 0% 0.5%  
301 0.1% 0.4%  
302 0.1% 0.3%  
303 0.1% 0.2%  
304 0% 0.1%  
305 0% 0.1%  
306 0% 0.1%  
307 0% 0.1%  
308 0% 0%  

Technical Information

Opinion Poll

Calculations