Westminster Voting Intention: YouGov
| End Date | Company | Client | CON | LAB | LD | GRN | Lead |
| 12 May 2021 | YouGov Online | The Times | 45 | 30 | 7 | 8 | +15 |
| 05 May 2021 | YouGov Online | The Times | 43 | 33 | 7 | 6 | +10 |
| 28 Apr 2021 | YouGov Online | The Times | 44 | 33 | 7 | 7 | +11 |
| 22 Apr 2021 | YouGov Online | The Times | 44 | 34 | 5 | 7 | +10 |
| 14 Apr 2021 | YouGov Online | 43 | 29 | 8 | 8 | +14 | |
| 08 Apr 2021 | YouGov Online | The Times | 41 | 34 | 6 | 6 | +7 |
| 01 Apr 2021 | YouGov Online | The Times | 42 | 34 | 7 | 6 | +8 |
| 26 Mar 2021 | YouGov Online | The Times | 42 | 32 | 8 | 7 | +10 |
| 19 Mar 2021 | YouGov Online | The Times | 43 | 34 | 5 | 7 | +9 |
| 10 Mar 2021 | YouGov Online | The Times | 42 | 33 | 7 | 6 | +9 |
| 04 Mar 2021 | YouGov Online | The Times | 45 | 32 | 6 | 7 | +13 |
| 26 Feb 2021 | YouGov Online | The Times | 41 | 36 | 5 | 7 | +5 |
| 18 Feb 2021 | YouGov Online | The Times | 40 | 37 | 7 | 6 | +3 |
| 10 Feb 2021 | YouGov Online | The Times | 41 | 36 | 6 | 7 | +5 |
| 03 Feb 2021 | YouGov Online | The Times | 41 | 37 | 6 | 6 | +4 |
| 27 Jan 2021 | YouGov Online | The Times | 37 | 41 | 6 | 4 | +4 |
| 22 Jan 2021 | YouGov Online | The Times | 39 | 38 | 5 | 6 | +1 |
| 14 Jan 2021 | YouGov Online | The Times | 38 | 39 | 5 | 6 | +1 |
| 05 Jan 2021 | YouGov Online | The Times | 39 | 39 | 6 | 6 | Tie |
| 22 Dec 2020 | YouGov Online | The Times | 37 | 41 | 5 | 5 | +4 |
| 16 Dec 2020 | YouGov Online | The Times | 39 | 37 | 6 | 6 | +2 |
| 09 Dec 2020 | YouGov Online | The Times | 37 | 37 | 8 | 6 | Tie |
| 03 Dec 2020 | YouGov Online | The Times | 38 | 38 | 6 | 5 | Tie |
| 27 Nov 2020 | YouGov Online | The Times | 37 | 40 | 5 | 5 | +3 |
| 18 Nov 2020 | YouGov Online | The Times | 38 | 37 | 7 | 6 | +1 |
| 12 Nov 2020 | YouGov Online | The Times | 38 | 40 | 5 | 5 | +2 |
| 05 Nov 2020 | YouGov Online | The Times | 35 | 40 | 7 | 4 | +5 |
| 29 Oct 2020 | YouGov Online | The Times | 38 | 38 | 6 | 5 | Tie |
| 22 Oct 2020 | YouGov Online | The Times | 40 | 39 | 7 | 5 | +1 |
| 15 Oct 2020 | YouGov Online | The Times | 39 | 38 | 6 | 6 | +1 |
| 07 Oct 2020 | YouGov Online | The Times | 41 | 38 | 5 | 6 | +3 |
| 30 Sep 2020 | YouGov Online | The Times | 39 | 39 | 6 | 5 | Tie |
| 24 Sep 2020 | YouGov Online | The Times | 41 | 38 | 6 | 5 | +3 |
| 17 Sep 2020 | YouGov Online | The Times | 40 | 40 | 6 | 5 | Tie |
| 09 Sep 2020 | YouGov Online | The Times | 42 | 37 | 6 | 4 | +5 |
| 04 Sep 2020 | YouGov Online | The Times | 43 | 37 | 6 | 4 | +6 |
| 25 Aug 2020 | YouGov Online | The Times | 43 | 36 | 6 | 4 | +7 |
| 19 Aug 2020 | YouGov Online | The Times | 40 | 38 | 6 | 6 | +2 |
| 12 Aug 2020 | YouGov Online | The Times | 44 | 35 | 5 | 5 | +9 |
| 05 Aug 2020 | YouGov Online | The Times | 42 | 36 | 8 | 5 | +6 |
| 31 Jul 2020 | YouGov Online | The Times | 43 | 35 | 6 | 5 | +8 |
| 23 Jul 2020 | YouGov Online | The Times | 44 | 35 | 7 | 4 | +9 |
| 09 Jul 2020 | YouGov Online | The Times | 46 | 36 | 6 | 3 | +10 |
| 28 Jun 2020 | YouGov Online | The Times | 45 | 37 | 5 | 4 | +8 |
| 12 Jun 2020 | YouGov Online | The Times | 45 | 37 | 6 | 4 | +8 |
| 30 May 2020 | YouGov Online | The Times | 45 | 35 | 6 | 5 | +10 |
| 27 May 2020 | YouGov Online | DatapraxisEU | 43 | 38 | 6 | 4 | +5 |
| 26 May 2020 | YouGov Online | The Times | 44 | 38 | 6 | 4 | +6 |
| 19 May 2020 | YouGov Online | The Times | 48 | 33 | 6 | 5 | +15 |
| 06 May 2020 | YouGov Online | The Times | 50 | 30 | 7 | 5 | +20 |
| 17 Apr 2020 | YouGov Online | The Times | 53 | 32 | 5 | 3 | +21 |
| 02 Apr 2020 | YouGov Online | The Times | 52 | 28 | 8 | 5 | +24 |
| 10 Feb 2020 | YouGov Online | The Times | 48 | 28 | 10 | 6 | +20 |
| 02 Feb 2020 | YouGov Online | The Times | 49 | 30 | 8 | 5 | +19 |
| 26 Jan 2020 | YouGov Online | The Times | 49 | 29 | 10 | 4 | +20 |
| 06 Dec 2019 | YouGov Online | Sunday Times | 43 | 33 | 13 | 3 | +10 |
| 03 Dec 2019 | YouGov Online | Times/Sky | 42 | 33 | 12 | 4 | +9 |
| 29 Nov 2019 | YouGov Online | Sunday Times | 43 | 34 | 13 | 3 | +9 |
| 26 Nov 2019 | YouGov Online | Times/Sky | 43 | 32 | 13 | 2 | +11 |
| 22 Nov 2019 | YouGov Online | Sunday Times | 42 | 30 | 16 | 4 | +12 |
| 19 Nov 2019 | YouGov Online | Times | 42 | 30 | 15 | 4 | +12 |
| 15 Nov 2019 | YouGov Online | Sunday Times | 45 | 28 | 15 | 3 | +17 |
| 12 Nov 2019 | YouGov Online | Times/Sky | 42 | 28 | 15 | 4 | +14 |
| 08 Nov 2019 | YouGov Online | Sunday Times | 39 | 26 | 17 | 4 | +13 |
| 06 Nov 2019 | YouGov Online | Times/Sky | 36 | 25 | 17 | 5 | +11 |
| 04 Nov 2019 | YouGov Online | Times | 38 | 25 | 16 | 5 | +13 |
| 01 Nov 2019 | YouGov Online | Sunday Times | 39 | 27 | 16 | 4 | +12 |
| 30 Oct 2019 | YouGov Online | Times | 36 | 21 | 18 | 6 | +15 |
| 28 Oct 2019 | YouGov Online | 36 | 22 | 19 | 6 | +14 | |
| 25 Oct 2019 | YouGov Online | 36 | 23 | 18 | 6 | +13 | |
| 21 Oct 2019 | YouGov Online | Times | 37 | 22 | 19 | 7 | +15 |
| 15 Oct 2019 | YouGov Online | Times | 37 | 22 | 18 | 5 | +15 |
| 09 Oct 2019 | YouGov Online | Times | 35 | 22 | 20 | 6 | +13 |
| 01 Oct 2019 | YouGov Online | Times | 34 | 21 | 23 | 5 | +11 |
| 27 Sep 2019 | YouGov Online | Sunday Times | 33 | 22 | 21 | 5 | +11 |
| 25 Sep 2019 | YouGov Online | Times | 33 | 22 | 22 | 6 | +11 |
| 20 Sep 2019 | YouGov Online | People's Vote | 30 | 23 | 22 | 5 | +7 |
| 18 Sep 2019 | YouGov Online | Times | 32 | 21 | 23 | 4 | +9 |
| 10 Sep 2019 | YouGov Online | Times | 32 | 23 | 19 | 7 | +9 |
| 06 Sep 2019 | YouGov Online | Sunday Times | 35 | 21 | 19 | 7 | +14 |
| 03 Sep 2019 | YouGov Online | Times | 35 | 25 | 16 | 7 | +10 |
| 29 Aug 2019 | YouGov Online | 33 | 22 | 21 | 7 | +11 | |
| 28 Aug 2019 | YouGov Online | Times | 34 | 22 | 17 | 8 | +12 |
| 23 Aug 2019 | YouGov Online | Sunday Times | 33 | 21 | 19 | 7 | +12 |
| 21 Aug 2019 | YouGov Online | Times | 32 | 22 | 20 | 7 | +10 |
| 14 Aug 2019 | YouGov Online | Times | 30 | 21 | 20 | 8 | +9 |
| 06 Aug 2019 | YouGov Online | Times | 31 | 22 | 21 | 7 | +9 |
| 30 Jul 2019 | YouGov Online | Times | 32 | 22 | 19 | 8 | +10 |
| 26 Jul 2019 | YouGov Online | Sunday Times | 31 | 21 | 20 | 8 | +10 |
| 24 Jul 2019 | YouGov Online | Times | 25 | 19 | 23 | 9 | +2 |
| 17 Jul 2019 | YouGov Online | Times | 25 | 21 | 20 | 8 | +4 |
| 10 Jul 2019 | YouGov Online | Times | 24 | 20 | 19 | 9 | +4 |
| 03 Jul 2019 | YouGov Online | Times | 24 | 18 | 20 | 9 | +4 |
| 25 Jun 2019 | YouGov Online | Times | 22 | 20 | 19 | 10 | +2 |
| 19 Jun 2019 | YouGov Online | Times | 20 | 20 | 21 | 9 | +1 |
| 14 Jun 2019 | YouGov Online | Sunday Times | 21 | 21 | 19 | 9 | Tie |
| 10 Jun 2019 | YouGov Online | Times | 17 | 19 | 22 | 8 | +3 |
| 06 Jun 2019 | YouGov Online | Times | 18 | 20 | 20 | 9 | Tie |
| 29 May 2019 | YouGov Online | Times | 19 | 19 | 24 | 8 | +5 |
| 17 May 2019 | YouGov Online | Best for Britain | 24 | 24 | 18 | 6 | Tie |