Opinion Poll by Opinium for The Observer, 14–17 August 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% 39.0% 37.6–40.4% 37.2–40.8% 36.9–41.2% 36.2–41.8%
Labour Party 40.0% 38.0% 36.6–39.4% 36.2–39.8% 35.9–40.1% 35.2–40.8%
Liberal Democrats 7.4% 7.0% 6.3–7.8% 6.1–8.0% 5.9–8.2% 5.6–8.6%
UK Independence Party 1.8% 7.0% 6.3–7.8% 6.1–8.0% 5.9–8.2% 5.6–8.6%
Scottish National Party 3.0% 4.0% 3.5–4.6% 3.3–4.8% 3.2–5.0% 3.0–5.3%
Green Party 1.6% 3.0% 2.6–3.6% 2.4–3.7% 2.3–3.8% 2.1–4.1%
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 317 300 274–320 269–325 266–328 259–335
Labour Party 262 261 242–286 239–292 237–293 232–299
Liberal Democrats 12 11 5–15 4–16 4–17 2–19
UK Independence Party 0 1 1 1–2 1–2 1–2
Scottish National Party 35 54 47–56 45–58 42–58 38–58
Green Party 1 1 1 1 1 1
Plaid Cymru 4 5 5–6 4–8 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
251 0% 100%  
252 0% 99.9%  
253 0% 99.9%  
254 0% 99.9%  
255 0% 99.9%  
256 0% 99.8%  
257 0.1% 99.8%  
258 0.2% 99.7%  
259 0.1% 99.6%  
260 0.1% 99.5%  
261 0.2% 99.4%  
262 0.1% 99.1%  
263 0.4% 99.0%  
264 0.4% 98.6%  
265 0.2% 98%  
266 0.7% 98%  
267 0.9% 97%  
268 0.5% 96%  
269 2% 96%  
270 1.4% 93%  
271 0.2% 92%  
272 0.5% 92%  
273 0.6% 91%  
274 2% 91%  
275 0.8% 89%  
276 0.9% 88%  
277 2% 88%  
278 1.4% 86%  
279 0.6% 84%  
280 0.9% 84%  
281 1.3% 83%  
282 4% 81%  
283 3% 77%  
284 0.1% 75%  
285 0.5% 75%  
286 0.8% 74%  
287 2% 73%  
288 3% 72%  
289 2% 69%  
290 4% 67%  
291 0.7% 64%  
292 1.0% 63%  
293 4% 62%  
294 0.5% 58%  
295 2% 58%  
296 0.5% 55%  
297 1.0% 55%  
298 0.7% 54%  
299 0.4% 53%  
300 5% 53% Median
301 7% 48%  
302 1.2% 41%  
303 4% 39%  
304 1.4% 36%  
305 3% 34%  
306 1.0% 32%  
307 5% 31%  
308 0.6% 25%  
309 0.3% 25%  
310 0.6% 25%  
311 2% 24%  
312 1.2% 22%  
313 1.1% 20%  
314 0.4% 19%  
315 2% 19%  
316 3% 17%  
317 0.4% 14% Last Result
318 2% 14%  
319 2% 12%  
320 2% 10%  
321 1.2% 8%  
322 0.7% 7%  
323 0.3% 7%  
324 0.6% 6%  
325 2% 6%  
326 0.2% 4% Majority
327 0.8% 4%  
328 0.7% 3%  
329 0.4% 2%  
330 0.4% 2%  
331 0.1% 1.3%  
332 0.1% 1.2%  
333 0.4% 1.1%  
334 0.2% 0.7%  
335 0.1% 0.6%  
336 0.1% 0.4%  
337 0% 0.3%  
338 0.1% 0.2%  
339 0% 0.2%  
340 0% 0.2%  
341 0% 0.1%  
342 0% 0.1%  
343 0% 0.1%  
344 0% 0.1%  
345 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 0.1% 100%  
226 0% 99.9%  
227 0% 99.9%  
228 0% 99.8%  
229 0.1% 99.8%  
230 0.1% 99.7%  
231 0.1% 99.6%  
232 0.1% 99.6%  
233 0.6% 99.5%  
234 0.1% 98.9%  
235 0.3% 98.7%  
236 0.6% 98%  
237 1.2% 98%  
238 0.8% 97%  
239 2% 96%  
240 4% 94%  
241 0.4% 91%  
242 0.2% 90%  
243 1.5% 90%  
244 2% 88%  
245 0.6% 86%  
246 0.4% 86%  
247 2% 85%  
248 4% 84%  
249 1.1% 80%  
250 0.5% 79%  
251 2% 78%  
252 0.2% 77%  
253 0.6% 76%  
254 0.6% 76%  
255 5% 75%  
256 6% 71%  
257 1.1% 64%  
258 0.4% 63%  
259 5% 63%  
260 7% 57%  
261 2% 51% Median
262 1.5% 49% Last Result
263 2% 48%  
264 0.1% 45%  
265 1.4% 45%  
266 1.3% 44%  
267 1.0% 43%  
268 2% 42%  
269 0.9% 40%  
270 3% 39%  
271 4% 36%  
272 3% 32%  
273 0.8% 29%  
274 0.8% 28%  
275 1.4% 27%  
276 3% 26%  
277 0.3% 23%  
278 2% 23%  
279 0.2% 21%  
280 3% 21%  
281 1.0% 17%  
282 2% 16%  
283 1.4% 14%  
284 2% 13%  
285 0.7% 11%  
286 1.0% 10%  
287 0.2% 9%  
288 0.4% 9%  
289 1.0% 8%  
290 2% 7%  
291 0.5% 6%  
292 2% 5%  
293 1.3% 4%  
294 0.8% 2%  
295 0.3% 2%  
296 0.2% 1.3%  
297 0.3% 1.1%  
298 0.2% 0.8%  
299 0% 0.5%  
300 0% 0.5%  
301 0.1% 0.5%  
302 0.1% 0.4%  
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 0.9% 100%  
3 1.3% 99.1%  
4 3% 98%  
5 7% 95%  
6 3% 88%  
7 5% 85%  
8 2% 81%  
9 12% 79%  
10 4% 67%  
11 23% 63% Median
12 9% 40% Last Result
13 3% 31%  
14 13% 28%  
15 6% 15%  
16 5% 9%  
17 2% 4%  
18 1.2% 2%  
19 0.8% 1.2%  
20 0.1% 0.4%  
21 0.2% 0.3%  
22 0% 0.1%  
23 0% 0.1%  
24 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 93% 100% Median
2 7% 7%  
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% 99.9%  
31 0% 99.8%  
32 0% 99.8%  
33 0% 99.8%  
34 0.1% 99.7%  
35 0% 99.7% Last Result
36 0% 99.6%  
37 0.1% 99.6%  
38 0% 99.5%  
39 0.2% 99.5%  
40 0.8% 99.3%  
41 0.6% 98%  
42 0.9% 98%  
43 0.4% 97%  
44 0.4% 97%  
45 1.4% 96%  
46 0.6% 95%  
47 5% 94%  
48 10% 89%  
49 6% 80%  
50 1.0% 74%  
51 5% 73%  
52 3% 68%  
53 0.2% 65%  
54 17% 64% Median
55 36% 48%  
56 2% 12%  
57 2% 9%  
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 7% 99.7% Last Result
5 79% 93% Median
6 6% 14%  
7 2% 8%  
8 5% 6%  
9 0.2% 0.3%  
10 0.1% 0.1%  
11 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 356 359 97% 332–377 328–383 323–386 317–392
Conservative Party – Scottish National Party 352 353 91% 327–372 323–377 318–380 312–386
Labour Party – Liberal Democrats – Scottish National Party – Plaid Cymru 313 330 66% 310–356 305–361 302–364 295–371
Labour Party – Liberal Democrats – Scottish National Party 309 325 47% 305–350 300–356 297–359 290–366
Labour Party – Scottish National Party – Plaid Cymru 301 320 39% 300–344 296–350 293–353 285–359
Labour Party – Scottish National Party 297 315 32% 294–339 290–345 287–348 280–354
Conservative Party – Liberal Democrats 329 310 17% 285–330 280–334 277–337 271–345
Conservative Party – Plaid Cymru 321 305 9% 279–325 274–330 271–333 264–340
Conservative Party 317 300 4% 274–320 269–325 266–328 259–335
Labour Party – Liberal Democrats – Plaid Cymru 278 277 0.1% 258–303 253–307 250–312 244–318
Labour Party – Liberal Democrats 274 271 0% 253–298 247–302 244–307 238–313
Labour Party – Plaid Cymru 266 266 0% 248–290 244–297 242–298 238–304
Labour Party 262 261 0% 242–286 239–292 237–293 232–299

Conservative Party – Scottish National Party – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
309 0% 100%  
310 0% 99.9%  
311 0% 99.9%  
312 0% 99.9%  
313 0.1% 99.9%  
314 0% 99.8%  
315 0.1% 99.8%  
316 0.1% 99.7%  
317 0.2% 99.7%  
318 0.1% 99.4%  
319 0.1% 99.4%  
320 0.3% 99.3%  
321 0.2% 99.0%  
322 0.9% 98.7%  
323 0.5% 98%  
324 0.2% 97%  
325 0.4% 97%  
326 1.1% 97% Majority
327 0.5% 96%  
328 0.9% 95%  
329 2% 94%  
330 0.8% 92%  
331 0.8% 91%  
332 0.5% 90%  
333 0.5% 90%  
334 1.2% 89%  
335 3% 88%  
336 0.7% 85%  
337 2% 85%  
338 2% 83%  
339 1.2% 81%  
340 2% 80%  
341 2% 78%  
342 0.8% 77%  
343 2% 76%  
344 3% 74%  
345 2% 71%  
346 3% 70%  
347 1.3% 67%  
348 2% 65%  
349 0.6% 63%  
350 3% 63%  
351 1.4% 60%  
352 0.6% 58%  
353 2% 58%  
354 1.4% 56%  
355 1.4% 55%  
356 0.7% 53% Last Result
357 1.2% 52%  
358 0.9% 51%  
359 2% 50% Median
360 8% 48%  
361 6% 40%  
362 2% 34%  
363 3% 32%  
364 0.7% 29%  
365 1.0% 29%  
366 2% 28%  
367 2% 25%  
368 1.3% 23%  
369 2% 22%  
370 0.5% 20%  
371 2% 20%  
372 0.6% 17%  
373 0.6% 17%  
374 1.2% 16%  
375 1.5% 15%  
376 1.0% 14%  
377 3% 13%  
378 0.4% 9%  
379 3% 9%  
380 0.5% 6%  
381 0.4% 6%  
382 0.4% 6%  
383 0.7% 5%  
384 2% 4%  
385 0.2% 3%  
386 0.8% 3%  
387 0.3% 2%  
388 0.5% 1.5%  
389 0.2% 1.0%  
390 0.2% 0.8%  
391 0.1% 0.6%  
392 0.2% 0.5%  
393 0.1% 0.3%  
394 0% 0.2%  
395 0% 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 0.1% 99.9%  
309 0% 99.8%  
310 0% 99.8%  
311 0.1% 99.8%  
312 0.2% 99.7%  
313 0.1% 99.5%  
314 0.1% 99.4%  
315 0.3% 99.3%  
316 0.2% 99.0%  
317 1.0% 98.8%  
318 0.5% 98%  
319 0.3% 97%  
320 0.4% 97%  
321 1.0% 97%  
322 0.5% 96%  
323 0.6% 95%  
324 3% 94%  
325 0.5% 92%  
326 0.6% 91% Majority
327 0.7% 91%  
328 0.5% 90%  
329 2% 89%  
330 3% 88%  
331 0.8% 85%  
332 2% 84%  
333 2% 82%  
334 0.9% 80%  
335 0.9% 79%  
336 2% 78%  
337 2% 76%  
338 0.6% 75%  
339 3% 74%  
340 1.1% 71%  
341 3% 70%  
342 1.2% 66%  
343 2% 65%  
344 1.3% 63%  
345 2% 62%  
346 1.4% 60%  
347 0.6% 58%  
348 1.5% 58%  
349 2% 56%  
350 1.4% 54%  
351 0.7% 53%  
352 1.1% 52% Last Result
353 1.2% 51%  
354 2% 50% Median
355 8% 48%  
356 6% 39%  
357 1.1% 34%  
358 3% 32%  
359 0.6% 29%  
360 3% 28%  
361 0.8% 26%  
362 2% 25%  
363 2% 23%  
364 1.4% 21%  
365 0.5% 20%  
366 2% 19%  
367 0.9% 17%  
368 0.7% 16%  
369 1.4% 16%  
370 1.2% 14%  
371 1.1% 13%  
372 3% 12%  
373 0.4% 9%  
374 2% 9%  
375 0.7% 6%  
376 0.4% 6%  
377 0.3% 5%  
378 0.6% 5%  
379 2% 4%  
380 0.2% 3%  
381 0.8% 2%  
382 0.2% 2%  
383 0.5% 1.4%  
384 0.2% 0.8%  
385 0.1% 0.7%  
386 0.1% 0.6%  
387 0.2% 0.5%  
388 0.1% 0.3%  
389 0% 0.2%  
390 0% 0.1%  
391 0% 0.1%  
392 0% 0.1%  
393 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
286 0% 100%  
287 0% 99.9%  
288 0% 99.9%  
289 0% 99.9%  
290 0% 99.9%  
291 0% 99.8%  
292 0.1% 99.8%  
293 0.1% 99.8%  
294 0.1% 99.7%  
295 0.1% 99.6%  
296 0.2% 99.4%  
297 0.4% 99.2%  
298 0.1% 98.9%  
299 0.1% 98.7%  
300 0.3% 98.6%  
301 0.4% 98%  
302 0.7% 98%  
303 0.7% 97%  
304 0.3% 96%  
305 2% 96%  
306 0.6% 94%  
307 0.2% 94%  
308 0.7% 93%  
309 1.3% 93%  
310 2% 91%  
311 2% 89%  
312 2% 87%  
313 0.4% 86% Last Result
314 3% 85%  
315 2% 83%  
316 0.6% 81%  
317 1.1% 81%  
318 1.4% 80%  
319 2% 78%  
320 0.6% 76%  
321 0.3% 75%  
322 2% 75%  
323 4% 73%  
324 1.0% 69%  
325 3% 68%  
326 2% 66% Majority
327 4% 64%  
328 1.2% 60%  
329 7% 59%  
330 5% 52%  
331 0.6% 47% Median
332 0.6% 47%  
333 0.9% 46%  
334 0.5% 45%  
335 3% 45%  
336 0.6% 42%  
337 4% 41%  
338 0.9% 38%  
339 0.7% 37%  
340 4% 36%  
341 2% 33%  
342 2% 30%  
343 2% 28%  
344 0.8% 27%  
345 0.5% 26%  
346 0.1% 25%  
347 3% 25%  
348 4% 23%  
349 1.3% 18%  
350 1.0% 17%  
351 0.6% 16%  
352 1.4% 16%  
353 2% 14%  
354 0.9% 12%  
355 1.0% 12%  
356 1.4% 11%  
357 0.5% 9%  
358 0.6% 9%  
359 0.1% 8%  
360 1.4% 8%  
361 2% 7%  
362 0.6% 4%  
363 0.9% 4%  
364 0.7% 3%  
365 0.2% 2%  
366 0.4% 2%  
367 0.4% 1.3%  
368 0.1% 1.0%  
369 0.2% 0.9%  
370 0.1% 0.6%  
371 0.1% 0.5%  
372 0.2% 0.4%  
373 0.1% 0.3%  
374 0% 0.2%  
375 0% 0.2%  
376 0% 0.1%  
377 0% 0.1%  
378 0% 0.1%  
379 0% 0.1%  
380 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
280 0% 100%  
281 0% 99.9%  
282 0% 99.9%  
283 0% 99.9%  
284 0% 99.9%  
285 0% 99.8%  
286 0% 99.8%  
287 0.1% 99.8%  
288 0% 99.7%  
289 0.1% 99.7%  
290 0.1% 99.5%  
291 0.3% 99.4%  
292 0.4% 99.2%  
293 0.2% 98.8%  
294 0.1% 98.7%  
295 0.4% 98.5%  
296 0.5% 98%  
297 0.4% 98%  
298 1.0% 97%  
299 0.2% 96%  
300 2% 96%  
301 0.5% 94%  
302 0.6% 93%  
303 0.8% 93%  
304 1.2% 92%  
305 2% 91%  
306 2% 89%  
307 2% 87%  
308 1.4% 86%  
309 2% 84% Last Result
310 0.8% 82%  
311 1.3% 82%  
312 1.0% 80%  
313 1.2% 79%  
314 2% 78%  
315 0.7% 76%  
316 0.2% 75%  
317 2% 75%  
318 4% 73%  
319 3% 69%  
320 2% 66%  
321 1.0% 65%  
322 4% 64%  
323 1.5% 60%  
324 7% 59%  
325 5% 52%  
326 0.4% 47% Median, Majority
327 0.5% 46%  
328 1.0% 46%  
329 0.4% 45%  
330 2% 44%  
331 1.0% 42%  
332 4% 41%  
333 0.8% 37%  
334 1.3% 37%  
335 4% 35%  
336 0.8% 32%  
337 3% 31%  
338 1.2% 28%  
339 0.6% 27%  
340 0.9% 26%  
341 0.4% 25%  
342 4% 25%  
343 3% 21%  
344 1.0% 18%  
345 2% 17%  
346 0.5% 16%  
347 1.1% 15%  
348 2% 14%  
349 1.0% 12%  
350 1.0% 11%  
351 1.0% 10%  
352 0.3% 9%  
353 0.7% 9%  
354 0.2% 8%  
355 2% 8%  
356 2% 6%  
357 0.8% 4%  
358 0.8% 3%  
359 0.8% 3%  
360 0.2% 2%  
361 0.3% 2%  
362 0.3% 1.3%  
363 0.2% 1.0%  
364 0.2% 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% 0.2%  
371 0% 0.1%  
372 0% 0.1%  
373 0% 0.1%  
374 0% 0.1%  
375 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
277 0% 100%  
278 0% 99.9%  
279 0% 99.9%  
280 0% 99.9%  
281 0% 99.9%  
282 0.1% 99.8%  
283 0% 99.8%  
284 0.1% 99.8%  
285 0.2% 99.7%  
286 0.1% 99.4%  
287 0.2% 99.4%  
288 0.1% 99.2%  
289 0.3% 99.1%  
290 0.5% 98.8%  
291 0.3% 98%  
292 0.4% 98%  
293 1.3% 98%  
294 0.5% 96%  
295 0.4% 96%  
296 1.0% 95%  
297 0.4% 94%  
298 1.1% 94%  
299 2% 93%  
300 3% 91%  
301 0.3% 88% Last Result
302 1.1% 88%  
303 3% 87%  
304 1.4% 84%  
305 1.5% 82%  
306 0.6% 81%  
307 0.8% 80%  
308 2% 80%  
309 5% 77%  
310 1.3% 72%  
311 0.9% 71%  
312 0.6% 70%  
313 0.8% 69%  
314 0.8% 68%  
315 3% 68%  
316 4% 65%  
317 0.6% 61%  
318 0.5% 61%  
319 5% 60%  
320 6% 55% Median
321 1.1% 49%  
322 3% 48%  
323 3% 45%  
324 0.9% 41%  
325 1.1% 41%  
326 3% 39% Majority
327 0.9% 36%  
328 2% 36%  
329 0.4% 34%  
330 2% 33%  
331 3% 31%  
332 3% 28%  
333 1.1% 25%  
334 0.6% 24%  
335 0.5% 23%  
336 1.2% 22%  
337 2% 21%  
338 1.1% 19%  
339 1.1% 18%  
340 0.7% 17%  
341 0.4% 16%  
342 2% 15%  
343 1.0% 13%  
344 2% 12%  
345 1.0% 10%  
346 1.1% 9%  
347 0.5% 8%  
348 0.8% 7%  
349 0.6% 7%  
350 1.2% 6%  
351 1.3% 5%  
352 0.8% 3%  
353 0.8% 3%  
354 0.3% 2%  
355 0.2% 2%  
356 0.6% 1.4%  
357 0.3% 0.8%  
358 0.1% 0.6%  
359 0.1% 0.5%  
360 0.1% 0.4%  
361 0.1% 0.3%  
362 0% 0.2%  
363 0% 0.1%  
364 0% 0.1%  
365 0.1% 0.1%  
366 0% 0.1%  
367 0% 0%  

Labour Party – Scottish National Party

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
271 0% 100%  
272 0% 99.9%  
273 0% 99.9%  
274 0% 99.9%  
275 0% 99.9%  
276 0% 99.9%  
277 0.1% 99.8%  
278 0% 99.7%  
279 0.1% 99.7%  
280 0.2% 99.6%  
281 0.1% 99.4%  
282 0.2% 99.3%  
283 0.3% 99.1%  
284 0.1% 98.8%  
285 0.4% 98.7%  
286 0.5% 98%  
287 0.4% 98%  
288 2% 97%  
289 0.4% 96%  
290 0.5% 95%  
291 0.8% 95%  
292 0.5% 94%  
293 1.0% 94%  
294 3% 93%  
295 2% 90%  
296 0.3% 88%  
297 0.4% 88% Last Result
298 4% 87%  
299 1.2% 83%  
300 1.3% 82%  
301 0.6% 81%  
302 0.7% 80%  
303 2% 79%  
304 5% 77%  
305 1.4% 72%  
306 0.9% 70%  
307 1.0% 69%  
308 0.7% 68%  
309 0.8% 68%  
310 4% 67%  
311 2% 63%  
312 0.9% 61%  
313 0.2% 60%  
314 5% 60%  
315 6% 55% Median
316 0.6% 49%  
317 4% 48%  
318 4% 45%  
319 0.7% 41%  
320 0.7% 40%  
321 3% 39%  
322 0.9% 36%  
323 3% 35%  
324 0.3% 33%  
325 0.8% 32%  
326 4% 32% Majority
327 3% 27%  
328 1.4% 25%  
329 0.3% 23%  
330 0.9% 23%  
331 2% 22%  
332 1.3% 20%  
333 1.2% 19%  
334 1.4% 17%  
335 0.4% 16%  
336 0.7% 16%  
337 2% 15%  
338 1.0% 13%  
339 2% 12%  
340 1.1% 10%  
341 1.0% 9%  
342 0.5% 8%  
343 0.5% 7%  
344 0.8% 7%  
345 1.1% 6%  
346 1.3% 5%  
347 0.9% 4%  
348 0.8% 3%  
349 0.3% 2%  
350 0.2% 2%  
351 0.5% 1.4%  
352 0.3% 0.9%  
353 0.1% 0.6%  
354 0% 0.5%  
355 0.2% 0.5%  
356 0.1% 0.3%  
357 0% 0.2%  
358 0% 0.2%  
359 0% 0.1%  
360 0.1% 0.1%  
361 0% 0.1%  
362 0% 0%  

Conservative Party – Liberal Democrats

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
264 0% 100%  
265 0.1% 99.9%  
266 0% 99.9%  
267 0% 99.9%  
268 0.1% 99.8%  
269 0.1% 99.8%  
270 0.1% 99.7%  
271 0.1% 99.6%  
272 0.1% 99.5%  
273 0.2% 99.4%  
274 0.6% 99.2%  
275 0.2% 98.6%  
276 0.3% 98%  
277 0.8% 98%  
278 0.8% 97%  
279 1.3% 96%  
280 1.2% 95%  
281 0.6% 94%  
282 0.9% 93%  
283 0.4% 93%  
284 1.1% 92%  
285 1.2% 91%  
286 2% 90%  
287 1.1% 88%  
288 2% 87%  
289 0.3% 84%  
290 0.8% 84%  
291 1.1% 83%  
292 1.1% 82%  
293 2% 81%  
294 1.2% 79%  
295 0.5% 78%  
296 0.6% 77%  
297 1.1% 76%  
298 3% 75%  
299 3% 72%  
300 2% 69%  
301 0.4% 67%  
302 2% 66%  
303 0.9% 64%  
304 3% 64%  
305 0.8% 60%  
306 1.0% 59%  
307 4% 58%  
308 3% 55%  
309 1.1% 52%  
310 6% 51%  
311 5% 45% Median
312 0.4% 40%  
313 0.4% 39%  
314 5% 39%  
315 1.3% 34%  
316 0.8% 32%  
317 0.8% 32%  
318 0.7% 31%  
319 1.0% 30%  
320 1.2% 29%  
321 5% 28%  
322 2% 23%  
323 0.7% 20%  
324 0.9% 20%  
325 1.2% 19%  
326 1.4% 17% Majority
327 3% 16%  
328 1.1% 13%  
329 0.3% 12% Last Result
330 3% 12%  
331 2% 9%  
332 1.2% 7%  
333 0.2% 6%  
334 1.2% 6%  
335 0.3% 4%  
336 0.6% 4%  
337 1.3% 4%  
338 0.3% 2%  
339 0.2% 2%  
340 0.5% 2%  
341 0.3% 1.2%  
342 0.1% 0.9%  
343 0.2% 0.8%  
344 0.1% 0.6%  
345 0.2% 0.5%  
346 0.1% 0.3%  
347 0% 0.2%  
348 0.1% 0.2%  
349 0% 0.1%  
350 0% 0.1%  
351 0% 0.1%  
352 0% 0.1%  
353 0% 0.1%  
354 0% 0%  

Conservative Party – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
256 0% 100%  
257 0% 99.9%  
258 0% 99.9%  
259 0% 99.9%  
260 0% 99.9%  
261 0% 99.8%  
262 0.1% 99.8%  
263 0.1% 99.7%  
264 0.1% 99.5%  
265 0.1% 99.5%  
266 0.2% 99.4%  
267 0.2% 99.1%  
268 0.3% 99.0%  
269 0.3% 98.7%  
270 0.2% 98%  
271 0.8% 98%  
272 0.8% 97%  
273 0.8% 96%  
274 2% 96%  
275 2% 94%  
276 0.3% 92%  
277 0.7% 92%  
278 0.4% 91%  
279 1.1% 91%  
280 0.8% 90%  
281 1.0% 89%  
282 2% 88%  
283 1.1% 86%  
284 0.6% 85%  
285 1.5% 84%  
286 1.1% 83%  
287 3% 82%  
288 4% 79%  
289 0.5% 75%  
290 0.9% 75%  
291 0.6% 74%  
292 1.1% 73%  
293 3% 72%  
294 0.7% 69%  
295 4% 68%  
296 1.1% 64%  
297 1.0% 63%  
298 4% 62%  
299 1.0% 59%  
300 2% 58%  
301 0.4% 56%  
302 1.0% 55%  
303 0.4% 54%  
304 0.7% 54%  
305 5% 53% Median
306 7% 48%  
307 1.2% 41%  
308 4% 40%  
309 0.8% 36%  
310 2% 35%  
311 3% 34%  
312 5% 31%  
313 0.7% 26%  
314 0.3% 25%  
315 0.6% 25%  
316 2% 24%  
317 1.3% 22%  
318 0.9% 20%  
319 1.1% 20%  
320 0.9% 18%  
321 2% 18% Last Result
322 1.5% 16%  
323 2% 14%  
324 2% 13%  
325 2% 11%  
326 1.2% 9% Majority
327 0.8% 8%  
328 0.6% 7%  
329 0.6% 6%  
330 2% 6%  
331 0.3% 4%  
332 1.0% 4%  
333 0.4% 3%  
334 0.5% 2%  
335 0.4% 2%  
336 0.1% 1.4%  
337 0.1% 1.3%  
338 0.4% 1.2%  
339 0.2% 0.8%  
340 0.1% 0.6%  
341 0.1% 0.4%  
342 0% 0.3%  
343 0.1% 0.3%  
344 0% 0.2%  
345 0% 0.2%  
346 0% 0.2%  
347 0% 0.1%  
348 0% 0.1%  
349 0% 0.1%  
350 0% 0.1%  
351 0% 0%  

Conservative Party

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
251 0% 100%  
252 0% 99.9%  
253 0% 99.9%  
254 0% 99.9%  
255 0% 99.9%  
256 0% 99.8%  
257 0.1% 99.8%  
258 0.2% 99.7%  
259 0.1% 99.6%  
260 0.1% 99.5%  
261 0.2% 99.4%  
262 0.1% 99.1%  
263 0.4% 99.0%  
264 0.4% 98.6%  
265 0.2% 98%  
266 0.7% 98%  
267 0.9% 97%  
268 0.5% 96%  
269 2% 96%  
270 1.4% 93%  
271 0.2% 92%  
272 0.5% 92%  
273 0.6% 91%  
274 2% 91%  
275 0.8% 89%  
276 0.9% 88%  
277 2% 88%  
278 1.4% 86%  
279 0.6% 84%  
280 0.9% 84%  
281 1.3% 83%  
282 4% 81%  
283 3% 77%  
284 0.1% 75%  
285 0.5% 75%  
286 0.8% 74%  
287 2% 73%  
288 3% 72%  
289 2% 69%  
290 4% 67%  
291 0.7% 64%  
292 1.0% 63%  
293 4% 62%  
294 0.5% 58%  
295 2% 58%  
296 0.5% 55%  
297 1.0% 55%  
298 0.7% 54%  
299 0.4% 53%  
300 5% 53% Median
301 7% 48%  
302 1.2% 41%  
303 4% 39%  
304 1.4% 36%  
305 3% 34%  
306 1.0% 32%  
307 5% 31%  
308 0.6% 25%  
309 0.3% 25%  
310 0.6% 25%  
311 2% 24%  
312 1.2% 22%  
313 1.1% 20%  
314 0.4% 19%  
315 2% 19%  
316 3% 17%  
317 0.4% 14% Last Result
318 2% 14%  
319 2% 12%  
320 2% 10%  
321 1.2% 8%  
322 0.7% 7%  
323 0.3% 7%  
324 0.6% 6%  
325 2% 6%  
326 0.2% 4% Majority
327 0.8% 4%  
328 0.7% 3%  
329 0.4% 2%  
330 0.4% 2%  
331 0.1% 1.3%  
332 0.1% 1.2%  
333 0.4% 1.1%  
334 0.2% 0.7%  
335 0.1% 0.6%  
336 0.1% 0.4%  
337 0% 0.3%  
338 0.1% 0.2%  
339 0% 0.2%  
340 0% 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 – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
238 0% 100%  
239 0% 99.9%  
240 0% 99.9%  
241 0.1% 99.8%  
242 0.1% 99.8%  
243 0.2% 99.7%  
244 0.1% 99.5%  
245 0.2% 99.4%  
246 0.1% 99.3%  
247 0.5% 99.1%  
248 0.2% 98.6%  
249 0.7% 98%  
250 0.3% 98%  
251 2% 97%  
252 0.5% 96%  
253 0.3% 95%  
254 0.5% 95%  
255 0.6% 94%  
256 3% 94%  
257 0.4% 91%  
258 3% 91%  
259 1.2% 88%  
260 1.3% 87%  
261 1.3% 85%  
262 0.7% 84%  
263 1.0% 83%  
264 2% 82%  
265 0.5% 80%  
266 1.5% 80%  
267 3% 78%  
268 0.5% 75%  
269 0.8% 75%  
270 3% 74%  
271 0.7% 72%  
272 3% 71%  
273 1.1% 68%  
274 6% 66%  
275 8% 60%  
276 2% 52%  
277 1.0% 50% Median
278 1.2% 49% Last Result
279 0.8% 48%  
280 1.2% 47%  
281 2% 46%  
282 1.5% 44%  
283 0.6% 42%  
284 2% 42%  
285 2% 40%  
286 1.3% 38%  
287 2% 37%  
288 1.2% 35%  
289 3% 33%  
290 1.3% 30%  
291 3% 29%  
292 0.6% 26%  
293 2% 25%  
294 2% 23%  
295 0.9% 22%  
296 0.9% 21%  
297 2% 20%  
298 2% 18%  
299 0.8% 16%  
300 3% 15%  
301 1.5% 12%  
302 0.5% 11%  
303 0.8% 10%  
304 0.4% 9%  
305 0.5% 9%  
306 3% 8%  
307 0.7% 6%  
308 0.4% 5%  
309 0.9% 4%  
310 0.4% 3%  
311 0.3% 3%  
312 0.5% 3%  
313 1.0% 2%  
314 0.2% 1.2%  
315 0.3% 1.0%  
316 0.1% 0.7%  
317 0.1% 0.6%  
318 0.2% 0.5%  
319 0.1% 0.3%  
320 0% 0.2%  
321 0% 0.2%  
322 0.1% 0.2%  
323 0% 0.1%  
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% 99.9%  
236 0.1% 99.8%  
237 0.1% 99.8%  
238 0.2% 99.7%  
239 0.1% 99.5%  
240 0.2% 99.3%  
241 0.2% 99.2%  
242 0.5% 99.0%  
243 0.3% 98%  
244 0.7% 98%  
245 0.2% 97%  
246 2% 97%  
247 0.6% 95%  
248 0.4% 95%  
249 0.5% 94%  
250 0.5% 94%  
251 3% 94%  
252 0.6% 91%  
253 3% 90%  
254 1.1% 87%  
255 2% 86%  
256 1.0% 85%  
257 0.8% 84%  
258 0.6% 83%  
259 2% 82%  
260 0.5% 80%  
261 2% 80%  
262 3% 78%  
263 0.7% 75%  
264 2% 75%  
265 1.0% 72%  
266 0.7% 71%  
267 3% 71%  
268 2% 68%  
269 6% 66%  
270 8% 60%  
271 2% 51%  
272 1.0% 50% Median
273 1.2% 49%  
274 0.9% 47% Last Result
275 1.2% 47%  
276 1.4% 45%  
277 2% 44%  
278 0.6% 42%  
279 2% 41%  
280 3% 40%  
281 0.7% 37%  
282 2% 37%  
283 2% 35%  
284 3% 33%  
285 2% 30%  
286 3% 29%  
287 2% 26%  
288 0.9% 24%  
289 2% 23%  
290 2% 22%  
291 1.2% 20%  
292 2% 19%  
293 2% 17%  
294 0.6% 15%  
295 3% 15%  
296 1.0% 12%  
297 0.5% 11%  
298 0.6% 10%  
299 0.7% 9%  
300 0.9% 9%  
301 2% 8%  
302 1.0% 6%  
303 0.4% 5%  
304 1.1% 4%  
305 0.4% 3%  
306 0.2% 3%  
307 0.5% 3%  
308 0.9% 2%  
309 0.2% 1.3%  
310 0.3% 1.0%  
311 0.1% 0.7%  
312 0.1% 0.6%  
313 0.2% 0.5%  
314 0.1% 0.3%  
315 0.1% 0.3%  
316 0% 0.2%  
317 0.1% 0.2%  
318 0% 0.1%  
319 0% 0.1%  
320 0% 0.1%  
321 0% 0.1%  
322 0% 0%  

Labour Party – Plaid Cymru

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
230 0% 100%  
231 0.1% 99.9%  
232 0% 99.9%  
233 0% 99.9%  
234 0% 99.8%  
235 0.1% 99.8%  
236 0.1% 99.7%  
237 0.1% 99.6%  
238 0.6% 99.5%  
239 0.1% 98.9%  
240 0.1% 98.9%  
241 0.5% 98.8%  
242 1.0% 98%  
243 1.1% 97%  
244 2% 96%  
245 4% 94%  
246 0.2% 91%  
247 0.2% 90%  
248 1.5% 90%  
249 2% 89%  
250 0.4% 87%  
251 0.5% 86%  
252 0.9% 86%  
253 5% 85%  
254 0.3% 79%  
255 0.6% 79%  
256 2% 79%  
257 0% 77%  
258 0.1% 76%  
259 0.5% 76%  
260 4% 76%  
261 8% 72%  
262 0.5% 64%  
263 0.5% 64%  
264 5% 63%  
265 7% 58%  
266 1.3% 51% Last Result, Median
267 3% 50%  
268 1.2% 47%  
269 0.1% 46%  
270 2% 46%  
271 2% 44%  
272 0.6% 43%  
273 2% 42%  
274 0.5% 40%  
275 4% 40%  
276 5% 36%  
277 3% 31%  
278 0.5% 28%  
279 1.0% 28%  
280 1.3% 27%  
281 1.4% 26%  
282 1.2% 24%  
283 1.5% 23%  
284 0.7% 22%  
285 3% 21%  
286 0.6% 18%  
287 2% 17%  
288 2% 15%  
289 2% 13%  
290 1.4% 11%  
291 0.6% 10%  
292 0.2% 9%  
293 0.4% 9%  
294 1.2% 9%  
295 2% 7%  
296 0.5% 6%  
297 2% 5%  
298 1.3% 4%  
299 0.9% 2%  
300 0.3% 2%  
301 0.2% 1.3%  
302 0.5% 1.1%  
303 0.1% 0.6%  
304 0% 0.5%  
305 0% 0.5%  
306 0.1% 0.5%  
307 0.1% 0.4%  
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 0.1% 100%  
226 0% 99.9%  
227 0% 99.9%  
228 0% 99.8%  
229 0.1% 99.8%  
230 0.1% 99.7%  
231 0.1% 99.6%  
232 0.1% 99.6%  
233 0.6% 99.5%  
234 0.1% 98.9%  
235 0.3% 98.7%  
236 0.6% 98%  
237 1.2% 98%  
238 0.8% 97%  
239 2% 96%  
240 4% 94%  
241 0.4% 91%  
242 0.2% 90%  
243 1.5% 90%  
244 2% 88%  
245 0.6% 86%  
246 0.4% 86%  
247 2% 85%  
248 4% 84%  
249 1.1% 80%  
250 0.5% 79%  
251 2% 78%  
252 0.2% 77%  
253 0.6% 76%  
254 0.6% 76%  
255 5% 75%  
256 6% 71%  
257 1.1% 64%  
258 0.4% 63%  
259 5% 63%  
260 7% 57%  
261 2% 51% Median
262 1.5% 49% Last Result
263 2% 48%  
264 0.1% 45%  
265 1.4% 45%  
266 1.3% 44%  
267 1.0% 43%  
268 2% 42%  
269 0.9% 40%  
270 3% 39%  
271 4% 36%  
272 3% 32%  
273 0.8% 29%  
274 0.8% 28%  
275 1.4% 27%  
276 3% 26%  
277 0.3% 23%  
278 2% 23%  
279 0.2% 21%  
280 3% 21%  
281 1.0% 17%  
282 2% 16%  
283 1.4% 14%  
284 2% 13%  
285 0.7% 11%  
286 1.0% 10%  
287 0.2% 9%  
288 0.4% 9%  
289 1.0% 8%  
290 2% 7%  
291 0.5% 6%  
292 2% 5%  
293 1.3% 4%  
294 0.8% 2%  
295 0.3% 2%  
296 0.2% 1.3%  
297 0.3% 1.1%  
298 0.2% 0.8%  
299 0% 0.5%  
300 0% 0.5%  
301 0.1% 0.5%  
302 0.1% 0.4%  
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