Most of the major polls since the last election are listed here:
| Pollster | Sample dates | Sample size | CON% | LAB% | LIB% | Reform% | Green% |
|---|---|---|---|---|---|---|---|
| General Election | 12 Dec 2019 - 12 Dec 2019 | 1,000 | 45 | 33 | 12 | 2 | 3 |
| BMG/The Independent | 08 Jan 2020 - 10 Jan 2020 | 1,508 | 44 | 29 | 11 | 4 | 5 |
| Opinium/The Observer | 15 Jan 2020 - 17 Jan 2020 | 1,978 | 47 | 30 | 9 | 3 | 4 |
| YouGov/The Times | 24 Jan 2020 - 26 Jan 2020 | 1,628 | 49 | 29 | 10 | 2 | 4 |
| Survation | 30 Jan 2020 - 31 Jan 2020 | 1,015 | 44 | 33 | 10 | 3 | 3 |
| YouGov/The Times | 31 Jan 2020 - 02 Feb 2020 | 1,575 | 49 | 30 | 8 | 2 | 5 |
| Ipsos-MORI/Evening Standard | 31 Jan 2020 - 03 Feb 2020 | 1,001 | 47 | 30 | 11 | 1 | 5 |
| YouGov/The Times | 09 Feb 2020 - 10 Feb 2020 | 1,694 | 48 | 28 | 10 | 2 | 6 |
| Opinium/The Observer | 12 Feb 2020 - 14 Feb 2020 | 2,007 | 47 | 32 | 7 | 2 | 4 |
| SavantaComRes/Sunday Express | 19 Feb 2020 - 20 Feb 2020 | 2,005 | 47 | 31 | 9 | 3 | 4 |
| Kantar Public | 05 Mar 2020 - 09 Mar 2020 | 1,171 | 50 | 29 | 11 | 1 | 2 |
| Opinium/The Observer | 12 Mar 2020 - 13 Mar 2020 | 2,005 | 49 | 32 | 6 | 5 | |
| Ipsos-MORI/Evening Standard | 13 Mar 2020 - 16 Mar 2020 | 1,003 | 52 | 30 | 9 | 4 | |
| Number Cruncher Politics/Bloomberg | 24 Mar 2020 - 26 Mar 2020 | 1,010 | 54 | 28 | 7 | 2 | 4 |
| Opinium/The Observer | 26 Mar 2020 - 27 Mar 2020 | 2,006 | 54 | 28 | 6 | 3 | |
| Redfield and Wilton Strategies | 01 Apr 2020 - 02 Apr 2020 | 2,000 | 49 | 29 | 8 | 4 | |
| YouGov/The Times | 01 Apr 2020 - 02 Apr 2020 | 1,631 | 52 | 28 | 8 | 1 | 5 |
| Opinium/The Observer | 01 Apr 2020 - 03 Apr 2020 | 2,000 | 53 | 30 | 7 | 3 | |
| BMG/The Independent | 07 Apr 2020 - 09 Apr 2020 | 1,541 | 46 | 29 | 10 | 2 | 6 |
| Opinium/The Observer | 07 Apr 2020 - 09 Apr 2020 | 2,005 | 55 | 29 | 5 | 4 | |
| Opinium/The Observer | 15 Apr 2020 - 17 Apr 2020 | 2,000 | 51 | 32 | 6 | 3 | |
| YouGov/The Times | 16 Apr 2020 - 17 Apr 2020 | 2,015 | 53 | 32 | 5 | 1 | 3 |
| Redfield and Wilton Strategies | 17 Apr 2020 - 17 Apr 2020 | 1,500 | 52 | 31 | 8 | 3 | |
| Opinium/The Observer | 21 Apr 2020 - 23 Apr 2020 | 2,000 | 50 | 33 | 7 | 3 | |
| Redfield and Wilton Strategies | 26 Apr 2020 - 26 Apr 2020 | 1,500 | 50 | 33 | 7 | 4 | |
| Opinium/The Observer | 27 Apr 2020 - 01 May 2020 | 1,072 | 51 | 33 | 6 | 3 | |
| YouGov/The Times | 05 May 2020 - 06 May 2020 | 1,667 | 50 | 30 | 7 | 3 | 5 |
| Redfield and Wilton Strategies | 06 May 2020 - 06 May 2020 | 1,500 | 50 | 31 | 7 | 5 | |
| Opinium/The Observer | 05 May 2020 - 07 May 2020 | 1,053 | 49 | 33 | 6 | 5 | |
| Kantar Public | 05 May 2020 - 11 May 2020 | 1,130 | 51 | 32 | 7 | 2 | 2 |
| Opinium/The Observer | 13 May 2020 - 14 May 2020 | 1,062 | 49 | 34 | 6 | 3 | |
| Redfield and Wilton Strategies | 15 May 2020 - 15 May 2020 | 1,500 | 47 | 35 | 9 | 3 | |
| SavantaComRes | 15 May 2020 - 17 May 2020 | 2,079 | 46 | 33 | 7 | 2 | 4 |
| YouGov/The Times | 18 May 2020 - 19 May 2020 | 1,718 | 48 | 33 | 6 | 2 | 5 |
| Opinium/The Observer | 21 May 2020 - 22 May 2020 | 2,008 | 47 | 35 | 6 | 3 | |
| Survation | 22 May 2020 - 26 May 2020 | 1,040 | 46 | 33 | 8 | 4 | |
| YouGov/The Times | 25 May 2020 - 26 May 2020 | 1,629 | 44 | 38 | 6 | 2 | 4 |
| YouGov/DatapraxisEU | 26 May 2020 - 27 May 2020 | 2,029 | 43 | 38 | 6 | 3 | 4 |
| Redfield and Wilton Strategies | 27 May 2020 - 27 May 2020 | 1,500 | 43 | 37 | 9 | 3 | |
| Deltapoll/The Mail on Sunday | 27 May 2020 - 28 May 2020 | 1,557 | 43 | 38 | 8 | 2 | 4 |
| Opinium/The Observer | 28 May 2020 - 29 May 2020 | 2,012 | 43 | 39 | 6 | 3 | |
| YouGov/The Times | 29 May 2020 - 30 May 2020 | 1,650 | 45 | 35 | 6 | 2 | 5 |
| Redfield and Wilton Strategies | 03 Jun 2020 - 03 Jun 2020 | 1,500 | 43 | 36 | 9 | 5 | |
| Survation | 03 Jun 2020 - 03 Jun 2020 | 1,018 | 41 | 39 | 7 | 1 | 4 |
| Deltapoll | 04 Jun 2020 - 05 Jun 2020 | 1,547 | 41 | 38 | 8 | 3 | 4 |
| Opinium/The Observer | 04 Jun 2020 - 05 Jun 2020 | 2,002 | 43 | 40 | 6 | 3 | |
| Ipsos-MORI/Evening Standard | 05 Jun 2020 - 10 Jun 2020 | 1,059 | 43 | 38 | 10 | 3 | |
| Survation | 09 Jun 2020 - 10 Jun 2020 | 1,062 | 42 | 36 | 8 | 1 | 4 |
| Redfield and Wilton Strategies | 11 Jun 2020 - 11 Jun 2020 | 1,500 | 41 | 39 | 9 | 4 | |
| Opinium/The Observer | 11 Jun 2020 - 12 Jun 2020 | 2,001 | 44 | 39 | 6 | 2 | |
| YouGov/The Times | 11 Jun 2020 - 12 Jun 2020 | 1,693 | 45 | 37 | 6 | 2 | 4 |
| SavantaComRes/The Daily Telegraph | 12 Jun 2020 - 14 Jun 2020 | 2,106 | 40 | 36 | 9 | 3 | 3 |
| Kantar | 11 Jun 2020 - 15 Jun 2020 | 1,124 | 43 | 35 | 8 | 2 | 4 |
| Redfield and Wilton Strategies | 18 Jun 2020 - 18 Jun 2020 | 2,000 | 43 | 38 | 8 | 4 | |
| Opinium/The Observer | 18 Jun 2020 - 19 Jun 2020 | 2,001 | 44 | 40 | 5 | 3 | |
| Survation | 24 Jun 2020 - 25 Jun 2020 | 2,003 | 43 | 36 | 8 | 4 | |
| Redfield and Wilton Strategies | 25 Jun 2020 - 25 Jun 2020 | 2,000 | 44 | 38 | 7 | 4 | |
| Opinium/The Observer | 25 Jun 2020 - 26 Jun 2020 | 2,001 | 43 | 39 | 6 | 4 | |
| YouGov/The Times | 26 Jun 2020 - 28 Jun 2020 | 1,626 | 45 | 37 | 6 | 2 | 4 |
| Redfield and Wilton Strategies/Election Maps UK | 01 Jul 2020 - 01 Jul 2020 | 2,000 | 42 | 38 | 8 | 5 | |
| Opinium/The Observer | 01 Jul 2020 - 03 Jul 2020 | 2,002 | 41 | 37 | 8 | 4 | |
| Deltapoll/The Mail on Sunday | 02 Jul 2020 - 03 Jul 2020 | 1,549 | 41 | 36 | 7 | 4 | 5 |
| Survation | 03 Jul 2020 - 06 Jul 2020 | 1,012 | 44 | 37 | 7 | 4 | |
| Redfield and Wilton Strategies | 08 Jul 2020 - 08 Jul 2020 | 2,000 | 44 | 39 | 7 | 4 | |
| YouGov/The Times | 08 Jul 2020 - 09 Jul 2020 | 1,614 | 46 | 36 | 6 | 2 | 3 |
| Deltapoll/The Mail on Sunday | 09 Jul 2020 - 10 Jul 2020 | 1,541 | 44 | 38 | 7 | 3 | 3 |
| Opinium/The Observer | 09 Jul 2020 - 10 Jul 2020 | 2,002 | 42 | 38 | 6 | 4 | |
| Survation | 10 Jul 2020 - 12 Jul 2020 | 2,022 | 42 | 36 | 8 | 1 | 5 |
| Kantar Public | 09 Jul 2020 - 13 Jul 2020 | 1,131 | 45 | 35 | 9 | 2 | 2 |
| Redfield and Wilton Strategies | 15 Jul 2020 - 15 Jul 2020 | 2,000 | 44 | 37 | 8 | 4 | |
| Opinium/The Observer | 15 Jul 2020 - 17 Jul 2020 | 2,003 | 44 | 36 | 6 | 4 | |
| SavantaComRes | 17 Jul 2020 - 19 Jul 2020 | 2,085 | 43 | 37 | 6 | 2 | 2 |
| Redfield and Wilton Strategies | 22 Jul 2020 - 22 Jul 2020 | 2,000 | 44 | 36 | 8 | 5 | |
| Opinium/The Observer | 23 Jul 2020 - 24 Jul 2020 | 2,002 | 42 | 38 | 6 | 4 | |
| Redfield and Wilton Strategies | 29 Jul 2020 - 29 Jul 2020 | 2,000 | 43 | 38 | 7 | 4 | |
| Opinium/The Observer | 30 Jul 2020 - 31 Jul 2020 | 2,002 | 41 | 38 | 6 | 4 | |
| YouGov/The Times | 30 Jul 2020 - 31 Jul 2020 | 1,623 | 43 | 35 | 6 | 3 | 5 |
| Survation | 31 Jul 2020 - 03 Aug 2020 | 1,019 | 44 | 35 | 8 | 5 | |
| Ipsos-MORI/Evening Standard | 30 Jul 2020 - 04 Aug 2020 | 1,019 | 45 | 37 | 6 | 1 | 5 |
| YouGov/The Times | 04 Aug 2020 - 05 Aug 2020 | 1,606 | 42 | 36 | 8 | 2 | 5 |
| YouGov/The Times | 11 Aug 2020 - 12 Aug 2020 | 1,634 | 44 | 35 | 5 | 3 | 5 |
| Redfield and Wilton Strategies | 12 Aug 2020 - 12 Aug 2020 | 2,000 | 43 | 36 | 9 | 4 | |
| Opinium/The Observer | 13 Aug 2020 - 14 Aug 2020 | 2,005 | 42 | 39 | 5 | 3 | 3 |
| SavantaComRes | 14 Aug 2020 - 16 Aug 2020 | 2,083 | 42 | 37 | 7 | 2 | 3 |
| YouGov/The Times | 18 Aug 2020 - 19 Aug 2020 | 1,652 | 40 | 38 | 6 | 4 | 6 |
| Redfield and Wilton Strategies | 19 Aug 2020 - 19 Aug 2020 | 2,000 | 44 | 37 | 7 | 4 | |
| Survation | 21 Aug 2020 - 21 Aug 2020 | 1,005 | 41 | 37 | 9 | 1 | 4 |
| Redfield and Wilton Strategies | 24 Aug 2020 - 24 Aug 2020 | 2,000 | 42 | 37 | 9 | 5 | |
| YouGov/The Times | 24 Aug 2020 - 25 Aug 2020 | 1,669 | 43 | 36 | 6 | 3 | 4 |
| Opinium/The Observer | 26 Aug 2020 - 28 Aug 2020 | 2,002 | 40 | 40 | 6 | 2 | 3 |
| Redfield and Wilton Strategies | 01 Sep 2020 - 02 Sep 2020 | 2,500 | 43 | 37 | 8 | 4 | |
| Survation | 02 Sep 2020 - 04 Sep 2020 | 1,047 | 40 | 38 | 8 | 1 | 4 |
| YouGov | 03 Sep 2020 - 04 Sep 2020 | 1,633 | 43 | 37 | 6 | 3 | 4 |
| Number Cruncher Politics/Bloomberg | 04 Sep 2020 - 08 Sep 2020 | 1,001 | 42 | 38 | 6 | 2 | 5 |
| YouGov/The Times | 08 Sep 2020 - 09 Sep 2020 | 1,615 | 42 | 37 | 6 | 3 | 4 |
| Opinium/The Observer | 09 Sep 2020 - 11 Sep 2020 | 2,001 | 42 | 39 | 6 | 1 | 4 |
| Redfield and Wilton Strategies | 15 Sep 2020 - 16 Sep 2020 | 2,500 | 41 | 39 | 8 | 5 | |
| Survation | 15 Sep 2020 - 16 Sep 2020 | 1,003 | 40 | 38 | 7 | 1 | 4 |
| YouGov/The Times | 16 Sep 2020 - 17 Sep 2020 | 1,618 | 40 | 40 | 6 | 3 | 5 |
| Ipsos-MORI/Evening Standard | 11 Sep 2020 - 18 Sep 2020 | 1,013 | 40 | 37 | 8 | 1 | 5 |
| SavantaComRes | 18 Sep 2020 - 20 Sep 2020 | 2,109 | 40 | 37 | 8 | 3 | 3 |
| Kantar | 17 Sep 2020 - 21 Sep 2020 | 1,125 | 40 | 38 | 9 | 3 | 4 |
| Redfield and Wilton Strategies | 22 Sep 2020 - 23 Sep 2020 | 2,500 | 40 | 40 | 7 | 5 | |
| YouGov/The Times | 23 Sep 2020 - 24 Sep 2020 | 1,623 | 41 | 38 | 6 | 3 | 5 |
| Opinium/The Observer | 23 Sep 2020 - 25 Sep 2020 | 2,002 | 39 | 42 | 5 | 4 | 4 |
| Deltapoll/The Mail on Sunday | 24 Sep 2020 - 25 Sep 2020 | 1,583 | 42 | 38 | 6 | 3 | 4 |
| YouGov/The Times | 29 Sep 2020 - 30 Sep 2020 | 1,700 | 39 | 39 | 6 | 4 | 5 |
| Redfield and Wilton Strategies | 30 Sep 2020 - 01 Oct 2020 | 4,000 | 39 | 39 | 8 | 5 | |
| SavantaComRes | 02 Oct 2020 - 04 Oct 2020 | 2,081 | 42 | 39 | 7 | 2 | 3 |
| Survation | 05 Oct 2020 - 06 Oct 2020 | 1,022 | 41 | 37 | 7 | 1 | 4 |
| Redfield and Wilton Strategies | 06 Oct 2020 - 07 Oct 2020 | 3,000 | 41 | 39 | 8 | 4 | |
| YouGov/The Times | 06 Oct 2020 - 07 Oct 2020 | 1,673 | 41 | 38 | 5 | 3 | 6 |
| Opinium/The Observer | 08 Oct 2020 - 09 Oct 2020 | 2,001 | 40 | 40 | 6 | 3 | 3 |
| SavantaComRes | 09 Oct 2020 - 11 Oct 2020 | 2,123 | 39 | 39 | 7 | 3 | 4 |
| YouGov/The Times | 14 Oct 2020 - 15 Oct 2020 | 1,675 | 39 | 38 | 6 | 5 | 6 |
| Number Cruncher Politics/Peston | 09 Oct 2020 - 17 Oct 2020 | 2,088 | 41 | 38 | 5 | 4 | 6 |
| SavantaComRes | 16 Oct 2020 - 18 Oct 2020 | 2,274 | 42 | 36 | 8 | 2 | 3 |
| Redfield and Wilton Strategies | 21 Oct 2020 - 21 Oct 2020 | 3,000 | 40 | 40 | 7 | 4 | |
| YouGov/The Times | 21 Oct 2020 - 22 Oct 2020 | 1,665 | 40 | 39 | 7 | 3 | 5 |
| Opinium/The Observer | 22 Oct 2020 - 23 Oct 2020 | 2,002 | 38 | 40 | 6 | 2 | 5 |
| Deltapoll/The Mail on Sunday | 22 Oct 2020 - 24 Oct 2020 | 1,589 | 42 | 39 | 7 | 3 | 3 |
| SavantaComRes | 23 Oct 2020 - 26 Oct 2020 | 2,111 | 42 | 39 | 7 | 2 | 3 |
| Ipsos-MORI/Evening Standard | 22 Oct 2020 - 28 Oct 2020 | 1,007 | 37 | 42 | 8 | 1 | 5 |
| Redfield and Wilton Strategies | 28 Oct 2020 - 28 Oct 2020 | 3,000 | 39 | 41 | 7 | 4 | |
| YouGov/The Times | 28 Oct 2020 - 29 Oct 2020 | 1,658 | 38 | 38 | 6 | 4 | 5 |
| SavantaComRes | 30 Oct 2020 - 02 Nov 2020 | 2,126 | 40 | 40 | 7 | 2 | 3 |
| YouGov/The Times | 04 Nov 2020 - 05 Nov 2020 | 1,665 | 35 | 40 | 7 | 6 | 4 |
| Opinium/The Observer | 05 Nov 2020 - 06 Nov 2020 | 2,003 | 38 | 42 | 7 | 2 | 3 |
| Survation | 05 Nov 2020 - 06 Nov 2020 | 1,034 | 39 | 37 | 9 | 2 | 4 |
| Kantar | 05 Nov 2020 - 09 Nov 2020 | 1,141 | 40 | 36 | 8 | 2 | 5 |
| SavantaComRes | 06 Nov 2020 - 09 Nov 2020 | 2,130 | 40 | 36 | 8 | 2 | 5 |
| Redfield and Wilton Strategies | 11 Nov 2020 - 11 Nov 2020 | 2,500 | 40 | 40 | 7 | 5 | |
| YouGov/The Times | 11 Nov 2020 - 12 Nov 2020 | 1,632 | 38 | 40 | 5 | 4 | 5 |
| SavantaComRes | 13 Nov 2020 - 15 Nov 2020 | 2,075 | 41 | 38 | 5 | 2 | 4 |
| YouGov/The Times | 17 Nov 2020 - 18 Nov 2020 | 1,700 | 38 | 37 | 7 | 4 | 6 |
| Redfield and Wilton Strategies | 19 Nov 2020 - 19 Nov 2020 | 2,500 | 40 | 39 | 8 | 4 | |
| Opinium/The Observer | 19 Nov 2020 - 20 Nov 2020 | 2,001 | 41 | 38 | 6 | 2 | 4 |
| SavantaComRes | 20 Nov 2020 - 22 Nov 2020 | 1,272 | 39 | 37 | 7 | 3 | 4 |
| YouGov/The Times | 26 Nov 2020 - 27 Nov 2020 | 1,696 | 37 | 40 | 5 | 5 | 5 |
| Number Cruncher Politics | 20 Nov 2020 - 28 Nov 2020 | 1,001 | 39 | 37 | 7 | 4 | 5 |
| Deltapoll/Daily Mail | 26 Nov 2020 - 28 Nov 2020 | 1,525 | 37 | 38 | 9 | 3 | 4 |
| SavantaComRes | 27 Nov 2020 - 29 Nov 2020 | 1,428 | 39 | 38 | 8 | 3 | 3 |
| Redfield and Wilton Strategies | 02 Dec 2020 - 02 Dec 2020 | 2,000 | 40 | 37 | 9 | 6 | |
| YouGov/The Times | 02 Dec 2020 - 03 Dec 2020 | 1,706 | 38 | 38 | 6 | 3 | 5 |
| Opinium/The Observer | 03 Dec 2020 - 04 Dec 2020 | 2,002 | 38 | 40 | 6 | 3 | 3 |
| Opinium/The Observer | 27 Nov 2020 - 08 Dec 2020 | 6,949 | 40.0 | 38.0 | 6.0 | 4.0 | |
| YouGov/The Times | 08 Dec 2020 - 09 Dec 2020 | 1,699 | 37 | 37 | 8 | 5 | 6 |
| Ipsos-MORI/Evening Standard | 04 Dec 2020 - 10 Dec 2020 | 1,027 | 41 | 41 | 6 | 5 | |
| Survation | 04 Dec 2020 - 10 Dec 2020 | 3,452 | 39 | 37 | 8 | 1 | 5 |
| SavantaComRes | 11 Dec 2020 - 13 Dec 2020 | 1,295 | 38 | 37 | 8 | 4 | 5 |
| Kantar Public | 10 Dec 2020 - 14 Dec 2020 | 1,137 | 38 | 37 | 10 | 3 | 3 |
| YouGov/The Times | 15 Dec 2020 - 16 Dec 2020 | 1,898 | 39 | 37 | 6 | 4 | 6 |
| Opinium/The Observer | 16 Dec 2020 - 17 Dec 2020 | 2,001 | 39 | 39 | 6 | 3 | 4 |
| SavantaComRes/Daily Express | 18 Dec 2020 - 21 Dec 2020 | 1,433 | 41 | 39 | 8 | 2 | 4 |
| YouGov/The Times | 21 Dec 2020 - 22 Dec 2020 | 1,713 | 37 | 41 | 5 | 4 | 5 |
| Survation | 22 Dec 2020 - 22 Dec 2020 | 1,011 | 39 | 38 | 8 | 1 | 4 |
| Focaldata (MRP) | 04 Dec 2020 - 29 Dec 2020 | 22,186 | 36.0 | 38.0 | 9.0 | 4.0 | 7.0 |
| Deltapoll/Daily Mirror | 26 Dec 2020 - 30 Dec 2020 | 1,608 | 43 | 38 | 4 | 3 | 5 |
| YouGov/The Times | 04 Jan 2021 - 05 Jan 2021 | 1,704 | 39 | 39 | 6 | 3 | 6 |
| Opinium/The Observer | 06 Jan 2021 - 07 Jan 2021 | 2,003 | 39 | 40 | 6 | 2 | 4 |
| SavantaComRes | 08 Jan 2021 - 10 Jan 2021 | 1,550 | 40 | 37 | 8 | 2 | 4 |
| Redfield and Wilton Strategies | 11 Jan 2021 - 11 Jan 2021 | 2,000 | 41 | 37 | 8 | 2 | 5 |
| Survation | 12 Jan 2021 - 13 Jan 2021 | 1,033 | 40 | 38 | 7 | 1 | 5 |
| YouGov/The Times | 13 Jan 2021 - 14 Jan 2021 | 1,702 | 38 | 39 | 5 | 3 | 6 |
| Opinium/The Observer | 14 Jan 2021 - 15 Jan 2021 | 2,003 | 37 | 41 | 6 | 1 | 4 |
| SavantaComRes | 15 Jan 2021 - 17 Jan 2021 | 1,914 | 39 | 37 | 7 | 2 | 3 |
| Redfield and Wilton Strategies | 18 Jan 2021 - 18 Jan 2021 | 2,000 | 40 | 38 | 8 | 2 | 5 |
| YouGov/The Times | 21 Jan 2021 - 22 Jan 2021 | 1,703 | 39 | 38 | 5 | 4 | 6 |
| Deltapoll | 21 Jan 2021 - 23 Jan 2021 | 1,632 | 41 | 39 | 7 | 2 | 3 |
| SavantaComRes | 22 Jan 2021 - 24 Jan 2021 | 2,070 | 40 | 37 | 8 | 3 | |
| Kantar Public | 21 Jan 2021 - 25 Jan 2021 | 1,100 | 40 | 37 | 10 | 2 | 5 |
| Redfield and Wilton Strategies | 25 Jan 2021 - 25 Jan 2021 | 2,000 | 42 | 37 | 8 | 3 | 4 |
| YouGov/The Times | 26 Jan 2021 - 27 Jan 2021 | 1,721 | 37 | 41 | 6 | 3 | 4 |
| Opinium/The Observer | 28 Jan 2021 - 29 Jan 2021 | 2,002 | 41 | 38 | 7 | 1 | 4 |
| SavantaComRes | 29 Jan 2021 - 31 Jan 2021 | 2,288 | 41 | 38 | 6 | 2 | 3 |
| Number Cruncher Politics/ITV | 25 Jan 2021 - 01 Feb 2021 | 2,001 | 43 | 37 | 5 | 3 | 5 |
| Redfield and Wilton Strategies | 01 Feb 2021 - 01 Feb 2021 | 2,000 | 40 | 38 | 8 | 3 | 4 |
| YouGov/The Times | 02 Feb 2021 - 03 Feb 2021 | 1,684 | 41 | 37 | 6 | 3 | 6 |
| Ipsos-MORI/Evening Standard | 29 Jan 2021 - 04 Feb 2021 | 1,056 | 42 | 38 | 7 | 8 | |
| Survation | 05 Feb 2021 - 06 Feb 2021 | 1,003 | 39 | 33 | 9 | 7 | |
| SavantaComRes | 05 Feb 2021 - 07 Feb 2021 | 2,119 | 41 | 37 | 8 | 2 | 4 |
| Redfield and Wilton Strategies | 08 Feb 2021 - 08 Feb 2021 | 2,000 | 43 | 38 | 7 | 2 | 4 |
| YouGov/The Times | 09 Feb 2021 - 10 Feb 2021 | 1,660 | 41 | 36 | 6 | 3 | 7 |
| Opinium/The Observer | 11 Feb 2021 - 12 Feb 2021 | 2,006 | 42 | 37 | 6 | 5 | |
| SavantaComRes | 12 Feb 2021 - 14 Feb 2021 | 2,170 | 42 | 37 | 7 | 2 | 3 |
| Redfield and Wilton Strategies | 15 Feb 2021 - 15 Feb 2021 | 2,000 | 41 | 39 | 8 | 2 | 5 |
| YouGov/The Times | 17 Feb 2021 - 18 Feb 2021 | 1,663 | 40 | 37 | 7 | 3 | 6 |
| SavantaComRes | 19 Feb 2021 - 21 Feb 2021 | 2,189 | 40 | 38 | 7 | 3 | 3 |
| Kantar Public | 18 Feb 2021 - 22 Feb 2021 | 1,114 | 40 | 33 | 11 | 3 | 6 |
| Redfield and Wilton Strategies | 22 Feb 2021 - 22 Feb 2021 | 2,000 | 43 | 37 | 7 | 3 | 5 |
| Deltapoll | 24 Feb 2021 - 26 Feb 2021 | 1,527 | 42 | 38 | 6 | 3 | 4 |
| Opinium/The Observer | 24 Feb 2021 - 26 Feb 2021 | 2,003 | 43 | 36 | 7 | 4 | |
| Survation | 23 Feb 2021 - 25 Feb 2021 | 1,002 | 42 | 34 | 7 | 6 | |
| YouGov/The Times | 25 Feb 2021 - 26 Feb 2021 | 1,637 | 41 | 36 | 5 | 3 | 7 |
| SavantaComRes | 26 Feb 2021 - 28 Feb 2021 | 2,182 | 43 | 36 | 7 | 3 | 3 |
| Redfield and Wilton Strategies | 01 Mar 2021 - 01 Mar 2021 | 1,500 | 44 | 38 | 7 | 2 | 3 |
| YouGov/The Times | 03 Mar 2021 - 04 Mar 2021 | 1,715 | 45 | 32 | 6 | 3 | 7 |
| SavantaComRes | 05 Mar 2021 - 07 Mar 2021 | 2,129 | 42 | 36 | 8 | 3 | 4 |
| Redfield and Wilton Strategies | 08 Mar 2021 - 08 Mar 2021 | 2,000 | 45 | 36 | 7 | 3 | 4 |
| Survation/Sunday Mirror | 09 Mar 2021 - 10 Mar 2021 | 1,037 | 43 | 33 | 9 | 1 | 5 |
| YouGov/The Times | 09 Mar 2021 - 10 Mar 2021 | 1,680 | 42 | 33 | 7 | 3 | 6 |
| Ipsos-MORI/Evening Standard | 05 Mar 2021 - 12 Mar 2021 | 1,009 | 45 | 38 | 6 | 5 | |
| Opinium/The Observer | 11 Mar 2021 - 12 Mar 2021 | 2,001 | 43 | 37 | 6 | 4 | |
| SavantaComRes | 12 Mar 2021 - 14 Mar 2021 | 2,092 | 39 | 37 | 8 | 3 | 4 |
| Redfield and Wilton Strategies | 15 Mar 2021 - 15 Mar 2021 | 2,000 | 43 | 36 | 7 | 3 | 5 |
| Number Cruncher Politics | 12 Mar 2021 - 16 Mar 2021 | 1,001 | 42 | 37 | 7 | 2 | 5 |
| BMG/The Independent | 16 Mar 2021 - 19 Mar 2021 | 1,498 | 39 | 37 | 9 | 3 | 6 |
| YouGov/The Times | 18 Mar 2021 - 19 Mar 2021 | 1,692 | 43 | 34 | 5 | 3 | 7 |
| Savanta ComRes | 19 Mar 2021 - 21 Mar 2021 | 2,098 | 42 | 38 | 6 | 2 | 3 |
| Redfield and Wilton Strategies | 22 Mar 2021 - 22 Mar 2021 | 2,000 | 42 | 36 | 9 | 2 | 6 |
| Opinium/The Observer | 25 Mar 2021 - 26 Mar 2021 | 2,002 | 41 | 37 | 6 | 1 | 5 |
| YouGov/The Times | 25 Mar 2021 - 26 Mar 2021 | 1,742 | 42 | 32 | 8 | 3 | 7 |
| Deltapoll/Mail on Sunday | 25 Mar 2021 - 27 Mar 2021 | 1,610 | 44 | 36 | 6 | 3 | 4 |
| Kantar Public | 25 Mar 2021 - 29 Mar 2021 | 1,102 | 42 | 34 | 9 | 2 | 4 |
| Redfield and Wilton Strategies | 29 Mar 2021 - 29 Mar 2021 | 2,000 | 44 | 36 | 7 | 2 | 4 |
| YouGov/The Times | 31 Mar 2021 - 01 Apr 2021 | 1,736 | 42 | 34 | 7 | 3 | 6 |
| SavantaComRes | 02 Apr 2021 - 04 Apr 2021 | 2,065 | 42 | 35 | 8 | 2 | 3 |
| Redfield and Wilton Strategies | 05 Apr 2021 - 05 Apr 2021 | 2,000 | 44 | 34 | 9 | 2 | 5 |
| YouGov/The Times | 07 Apr 2021 - 08 Apr 2021 | 1,708 | 41 | 34 | 6 | 3 | 6 |
| Opinium/The Observer | 08 Apr 2021 - 09 Apr 2021 | 2,006 | 45 | 36 | 6 | 4 | |
| Deltapoll/The Mail on Sunday | 08 Apr 2021 - 10 Apr 2021 | 1,608 | 45 | 36 | 6 | 4 | 4 |
| Survation | 08 Apr 2021 - 10 Apr 2021 | 1,009 | 43 | 35 | 8 | 4 | |
| SavantaComRes | 09 Apr 2021 - 11 Apr 2021 | 2,174 | 42 | 35 | 7 | 2 | 4 |
| Redfield and Wilton Strategies | 12 Apr 2021 - 12 Apr 2021 | 2,000 | 43 | 36 | 7 | 3 | 5 |
| YouGov | 13 Apr 2021 - 14 Apr 2021 | 1,689 | 43 | 29 | 8 | 3 | 8 |
| SavantaComRes | 16 Apr 2021 - 18 Apr 2021 | 2,094 | 43 | 34 | 7 | 1 | 4 |
| Survation | 15 Apr 2021 - 19 Apr 2021 | 1,008 | 40 | 34 | 9 | 7 | |
| Redfield and Wilton Strategies | 19 Apr 2021 - 19 Apr 2021 | 2,000 | 44 | 34 | 10 | 3 | 4 |
| Ipsos-MORI/Evening Standard | 16 Apr 2021 - 22 Apr 2021 | 1,090 | 40 | 37 | 8 | 2 | 5 |
| YouGov/The Times | 21 Apr 2021 - 22 Apr 2021 | 1,730 | 44 | 34 | 5 | 2 | 7 |
| Opinium/The Observer | 21 Apr 2021 - 23 Apr 2021 | 2,000 | 44 | 33 | 7 | 5 | |
| SavantaComRes | 23 Apr 2021 - 25 Apr 2021 | 2,144 | 42 | 35 | 8 | 2 | 3 |
| BMG/The Independent | 22 Apr 2021 - 26 Apr 2021 | 1,500 | 39 | 35 | 9 | 3 | 6 |
| Kantar Public | 22 Apr 2021 - 26 Apr 2021 | 1,115 | 41 | 33 | 10 | 3 | 7 |
| Redfield and Wilton Strategies | 26 Apr 2021 - 26 Apr 2021 | 2,000 | 44 | 34 | 8 | 3 | 4 |
| YouGov/The Times | 27 Apr 2021 - 28 Apr 2021 | 1,803 | 44 | 33 | 7 | 3 | 7 |
| Survation/Daily Mail | 27 Apr 2021 - 29 Apr 2021 | 1,077 | 39 | 38 | 9 | 6 | |
| Number Cruncher Politics | 28 Apr 2021 - 29 Apr 2021 | 1,001 | 43 | 34 | 5 | 2 | 7 |
| Opinium/The Observer | 28 Apr 2021 - 30 Apr 2021 | 2,001 | 42 | 37 | 7 | 4 | |
| Focaldata/The Sunday Times | 29 Apr 2021 - 30 Apr 2021 | 1,555 | 40 | 39 | 6 | 3 | |
| Redfield and Wilton Strategies | 03 May 2021 - 03 May 2021 | 2,000 | 40 | 38 | 7 | 3 | 5 |
| Panelbase | 04 May 2021 - 05 May 2021 | 1,003 | 45 | 36 | 6 | 5 | |
| YouGov/The Times | 04 May 2021 - 05 May 2021 | 1,683 | 43 | 33 | 7 | 3 | 6 |
| SavantaComRes | 07 May 2021 - 09 May 2021 | 2,152 | 42 | 34 | 8 | 2 | 4 |
| Redfield and Wilton Strategies | 10 May 2021 - 10 May 2021 | 2,000 | 45 | 34 | 8 | 2 | 5 |
| YouGov/The Times | 11 May 2021 - 12 May 2021 | 1,647 | 45 | 30 | 7 | 2 | 8 |
| Opinium/The Observer | 13 May 2021 - 14 May 2021 | 2,004 | 44 | 31 | 8 | 7 | |
| Find Out Now/The Sunday Telegraph | 13 May 2021 - 15 May 2021 | 14,715 | 43.0 | 30.0 | 11.0 | 2.0 | 9.0 |
| SavantaComRes | 14 May 2021 - 16 May 2021 | 2,131 | 43 | 32 | 8 | 2 | 5 |
| Redfield and Wilton Strategies | 17 May 2021 - 17 May 2021 | 2,000 | 42 | 33 | 10 | 2 | 6 |
| YouGov/The Times | 19 May 2021 - 20 May 2021 | 1,699 | 46 | 28 | 8 | 2 | 8 |
| SavantaComRes | 21 May 2021 - 23 May 2021 | 2,215 | 43 | 34 | 9 | 2 | 4 |
| Redfield and Wilton Strategies | 24 May 2021 - 24 May 2021 | 2,000 | 43 | 33 | 10 | 3 | 5 |
| Survation | 25 May 2021 - 26 May 2021 | 1,041 | 44 | 33 | 8 | 6 | |
| Number Cruncher Politics | 27 May 2021 - 28 May 2021 | 1,001 | 44 | 32 | 7 | 2 | 8 |
| Opinium/The Observer | 27 May 2021 - 28 May 2021 | 2,004 | 42 | 36 | 6 | 1 | 5 |
| Survation/Daily Mail | 27 May 2021 - 28 May 2021 | 1,010 | 43 | 33 | 10 | 5 | |
| YouGov/The Times | 27 May 2021 - 28 May 2021 | 1,000 | 43 | 29 | 8 | 3 | 8 |
| Redfield and Wilton Strategies | 31 May 2021 - 31 May 2021 | 2,000 | 45 | 34 | 8 | 3 | 5 |
| AVERAGE | 12 Dec 2019 - 31 May 2021 | 485,384 | 42.2 | 36.1 | 7.4 | 1.8 | 4.7 |
Recent polls are summarised.