| Similarity | Rank | |
|---|---|---|
| gallup | 0.835 | 15537 |
| icm | 0.777 | 29075 |
| shimbun | 0.768 | 74197 |
| hpi | 0.750 | 73305 |
| 43pc | 0.737 | 95489 |
| 78pc | 0.734 | 94781 |
| pebs | 0.732 | 84611 |
| swa | 0.731 | 53174 |
| non-election | 0.728 | 94601 |
| bbc-tv | 0.727 | 47114 |
| euromonitor | 0.727 | 79358 |
| better-than-expected | 0.726 | 66672 |
| 15pc | 0.716 | 56865 |
| peb | 0.716 | 84609 |
| 14pc | 0.715 | 71304 |
| mintel | 0.714 | 35738 |
| pieda | 0.714 | 69439 |
| abc1 | 0.713 | 74634 |
| mori | 0.711 | 19996 |
| pro-conservative | 0.710 | 62037 |
| unaudited | 0.709 | 59642 |
| poll | 0.708 | 2268 |
| ft-actuaries | 0.707 | 88529 |
| pre-campaign | 0.705 | 35130 |
| inbucon | 0.705 | 87932 |