# Opinion polling for the 1966 United Kingdom general election

In the run-up to the 1966 general election, various polling organisations conducted opinion polling to gauge voting intention amongst the general public. Such polls, dating from the previous election in 1964 to polling day on 31 March 1966, are listed in this article.

## Polling results

All Data is from PollBase

### 1966

| Fieldwork | Polling Organisation | Lab | Con | Lib | Lead |
| 31 Mar | General Election Results | 48.0% | 41.9% | 8.5% | 6.1% |
| Mar | Harris/Daily Express | 54.1% | 37.4% | 7.7% | 16.7% |
| 27–29 Mar | NOP/Daily Mail | 50.6% | 41.6% | 7.4% | 9% |
| 24–28 Mar | Gallup/Daily Telegraph | 51% | 40% | 8% | 11% |
| Mar | Harris/Daily Express | 52.5% | 40% | 7.5% | 12.5% |
| 22–26 Mar | NOP/Daily Mail | 52.2% | 39.6% | 7.6% | 12.6% |
| Mar | Research Services | 49.7% | 41.6% | 8.3% | 8.1% |
| Mar | Gallup | 50.5% | 42% | 7% | 8.5% |
| Mar | Harris/Daily Express | 53.5% | 39% | 7.5% | 14.5% |
| Mar | Gallup | 50.5% | 42% | 7% | 8.5% |
| 16–21 Mar | NOP/Daily Mail | 52% | 39.5% | 7.8% | 12.5% |
| Mar | Research Services | 49.7% | 42.4% | 7.4% | 7.3% |
| Mar | Gallup | 52% | 41.5% | 6% | 10.5% |
| Mar | Gallup | 51% | 39% | 9.5% | 12% |
| Mar | Harris/Daily Express | 55% | 37.5% | 7.5% | 17.5% |
| 9–14 Mar | NOP/Daily Mail | 52.6% | 39.2% | 7.7% | 13.4% |
| 10 Mar | The 43rd Parliament is dissolved and campaigning officially begins | The 43rd Parliament is dissolved and campaigning officially begins | The 43rd Parliament is dissolved and campaigning officially begins | The 43rd Parliament is dissolved and campaigning officially begins | The 43rd Parliament is dissolved and campaigning officially begins |
| Mar | Research Services | 49.6% | 41.9% | 8.1% | 7.7% |
| Mar | Gallup | 52.5% | 40.5% | 6.5% | 12% |
| Mar | Gallup | 51% | 41% | 7.5% | 10% |
| Mar | Harris/Daily Express | 54.5% | 40% | 5.5% | 14.5% |
| 2–7 Mar | NOP/Daily Mail | 53.8% | 39.4% | 6.5% | 14.4% |
| Mar | Harris/Daily Express | 54% | 39% | 7% | 15% |
| Mar | Research Services | 49.4% | 44.9% | 5.2% | 4.5% |
| Mar | Gallup/Daily Telegraph | 51% | 40% | 7.5% | 11% |
| 23–28 Feb | NOP/Daily Mail | 53% | 40.1% | 6.7% | 12.9% |
| Feb | Gallup/Daily Telegraph | 51% | 42% | 6.5% | 9% |
| 10–14 Feb | NOP/Daily Mail | 53.8% | 39.8% | 6.3% | 14% |
| Feb | Gallup/Daily Telegraph | 50% | 42.5% | 7% | 7.5% |
| 27–31 Jan | NOP/Daily Mail | 54.3% | 39% | 6.4% | 15.3% |
| 6–10 Jan | NOP/Daily Mail | 53.3% | 39.2% | 7.3% | 14.1% |
| Jan | Gallup/Daily Telegraph | 47.5% | 42% | 9.5% | 5.5% |

### 1965

| Fieldwork | Polling Organisation | Lab | Con | Lib | Lead |
| Dec | Gallup/Daily Telegraph | 48.5% | 40.5% | 10% | 8% |
| 9–13 Dec | NOP/Daily Mail | 55.5% | 36.3% | 8% | 19.2% |
| 25–30 Nov | NOP/Daily Mail | 50.4% | 41.6% | 7.7% | 8.8% |
| Nov | Gallup/Daily Telegraph | 48.5% | 42% | 8.5% | 6.5% |
| 11–15 Nov | NOP/Daily Mail | 56% | 37.2% | 6.5% | 18.8% |
| 21–25 Oct | NOP/Daily Mail | 51% | 40.6% | 8% | 10.4% |
| Oct | Gallup/Daily Telegraph | 49% | 41.5% | 9% | 7.5% |
| Sep | Gallup/Daily Telegraph | 48.5% | 42% | 8.5% | 6.5% |
| 23–27 Sep | NOP/Daily Mail | 46.4% | 42.4% | 10.9% | 4% |
| 9–13 Sep | NOP/Daily Mail | 46.1% | 43.5% | 10.1% | 2.6% |
| Aug | Gallup/Daily Telegraph | 41.5% | 49% | 8.5% | 7.5% |
| 5–9 Aug | NOP/Daily Mail | 43.1% | 46.9% | 9.5% | 3.8% |
| 27 Jul | Edward Heath elected Conservative Party leader | Edward Heath elected Conservative Party leader | Edward Heath elected Conservative Party leader | Edward Heath elected Conservative Party leader | Edward Heath elected Conservative Party leader |
| 22–26 Jul | NOP/Daily Mail | 47.7% | 42.4% | 9.5% | 5.3% |
| Jul | Gallup/Daily Telegraph | 45% | 46.5% | 8% | 1.5% |
| 8–12 Jul | NOP/Daily Mail | 47.3% | 42.5% | 9.9% | 4.8% |
| 24–29 Jun | NOP/Daily Mail | 45.8% | 43.7% | 9.9% | 2.1% |
| 10–15 Jun | NOP/Daily Mail | 47% | 41.6% | 10.4% | 5.4% |
| Jun | Gallup/Daily Telegraph | 42.5% | 47% | 9.5% | 4.5% |
| 20–24 May | NOP/Daily Mail | 46.3% | 42.6% | 10.3% | 3.7% |
| May | Gallup/Daily Telegraph | 43% | 44% | 12.5% | 1% |
| 6–10 May | NOP/Daily Mail | 47.2% | 41.4% | 11% | 5.8% |
| Apr | Gallup/Daily Telegraph | 47.5% | 39.5% | 12.5% | 8% |
| 8–12 Apr | NOP/Daily Mail | 46.2% | 40.8% | 12.5% | 5.4% |
| 25–29 Mar | NOP/Daily Mail | 48.7% | 39.2% | 11.7% | 9.5% |
| Mar | Gallup/Daily Telegraph | 46% | 43.5% | 9.5% | 2.5% |
| 11–15 Mar | NOP/Daily Mail | 50.2% | 41.1% | 8.4% | 9.1% |
| Feb | Gallup/Daily Telegraph | 45% | 45.5% | 9% | 0.5% |
| 8–16 Feb | NOP/Daily Mail | 48.2% | 43.5% | 8.2% | 4.7% |
| 7–11 Jan | NOP/Daily Mail | 48.8% | 40.2% | 10.4% | 8.6% |
| Jan | Gallup/Daily Telegraph | 46.5% | 42.5% | 10.5% | 4% |

### 1964

| Fieldwork | Polling Organisation | Lab | Con | Lib | Lead |
| Dec | Gallup/Daily Telegraph | 50.5% | 40% | 9% | 10.5% |
| 3–7 Dec | NOP/Daily Mail | 48.7% | 38.8% | 12.2% | 9.9% |
| 19–22 Nov | NOP/Daily Mail | 51.7% | 37.9% | 10.4% | 13.8% |
| Nov | Gallup/Daily Telegraph | 50% | 38.5% | 11% | 11.5% |
| 5–8 Nov | NOP/Daily Mail | 50.3% | 39% | 10.5% | 11.3% |
| 22–26 Oct | NOP/Daily Mail | 50.7% | 36.6% | 12% | 14.1% |
| 15 Oct | General Election Results | 44.1% | 43.4% | 11.2% | 0.7% |