Westminster Voting Intention: YouGov
| End Date | Company | Client | CON | LAB | LD | GRN | UKIP | Lead |
| 19 Apr 2017 | YouGov Online | Times | 48 | 24 | 12 | 2 | 7 | +24 |
| 16 Apr 2017 | YouGov Online | Times | 44 | 23 | 12 | 4 | 10 | +21 |
| 06 Apr 2017 | YouGov Online | Times | 42 | 25 | 11 | 3 | 11 | +17 |
| 27 Mar 2017 | YouGov Online | Times | 43 | 25 | 11 | 3 | 10 | +18 |
| 21 Mar 2017 | YouGov Online | Times | 41 | 25 | 11 | 3 | 12 | +16 |
| 14 Mar 2017 | YouGov Online | Times | 44 | 27 | 10 | 4 | 9 | +17 |
| 09 Mar 2017 | YouGov Online | Times | 44 | 25 | 10 | 3 | 11 | +19 |
| 28 Feb 2017 | YouGov Online | Times | 42 | 25 | 11 | 4 | 12 | +17 |
| 22 Feb 2017 | YouGov Online | Times | 41 | 25 | 11 | 3 | 13 | +16 |
| 13 Feb 2017 | YouGov Online | Times | 40 | 24 | 11 | 4 | 15 | +16 |
| 06 Feb 2017 | YouGov Online | Times | 40 | 24 | 11 | 4 | 14 | +16 |
| 31 Jan 2017 | YouGov Online | Times | 40 | 26 | 11 | 4 | 12 | +14 |
| 24 Jan 2017 | YouGov Online | Times | 40 | 24 | 10 | 4 | 14 | +16 |
| 18 Jan 2017 | YouGov Online | Times | 42 | 25 | 11 | 3 | 12 | +17 |
| 10 Jan 2017 | YouGov Online | Times | 39 | 28 | 11 | 3 | 13 | +11 |
| 04 Jan 2017 | YouGov Online | Times | 39 | 26 | 10 | 4 | 14 | +13 |
| 19 Dec 2016 | YouGov Online | Times | 39 | 24 | 12 | 4 | 14 | +15 |
| 05 Dec 2016 | YouGov Online | Times | 42 | 25 | 11 | 4 | 12 | +17 |
| 29 Nov 2016 | YouGov Online | Times | 39 | 27 | 9 | 4 | 14 | +12 |
| 22 Nov 2016 | YouGov Online | Times | 41 | 28 | 9 | 4 | 12 | +13 |
| 15 Nov 2016 | YouGov Online | Times | 42 | 28 | 8 | 4 | 11 | +14 |
| 01 Nov 2016 | YouGov Online | Times | 41 | 27 | 10 | 4 | 11 | +14 |
| 25 Oct 2016 | YouGov Online | Times | 40 | 27 | 11 | 3 | 11 | +13 |
| 20 Oct 2016 | YouGov Online | Election Data | 42 | 26 | 8 | 5 | 12 | +16 |
| 12 Oct 2016 | YouGov Online | Times | 42 | 28 | 9 | 3 | 11 | +14 |
| 29 Sep 2016 | YouGov Online | Times | 39 | 30 | 8 | 3 | 13 | +9 |
| 21 Sep 2016 | YouGov Online | Times | 39 | 30 | 8 | 3 | 13 | +9 |
| 14 Sep 2016 | YouGov Online | Times | 38 | 31 | 7 | 3 | 13 | +7 |
| 05 Sep 2016 | YouGov Online | Times | 40 | 29 | 7 | 3 | 13 | +11 |
| 31 Aug 2016 | YouGov Online | Times | 38 | 30 | 7 | 4 | 14 | +8 |
| 23 Aug 2016 | YouGov Online | Times | 40 | 29 | 8 | 3 | 13 | +11 |
| 17 Aug 2016 | YouGov Online | Times | 38 | 30 | 9 | 4 | 13 | +8 |
| 09 Aug 2016 | YouGov Online | Times | 38 | 31 | 8 | 4 | 13 | +7 |
| 02 Aug 2016 | YouGov Online | Times | 42 | 28 | 8 | 3 | 12 | +14 |
| 26 Jul 2016 | YouGov Online | Times | 40 | 28 | 9 | 4 | 13 | +12 |
| 18 Jul 2016 | YouGov Online | 40 | 29 | 9 | 3 | 12 | +11 | |
| 26 Apr 2016 | YouGov Online | Times | 30 | 33 | 6 | 3 | 20 | +3 |
| 12 Apr 2016 | YouGov Online | Times | 31 | 34 | 8 | 3 | 17 | +3 |
| 17 Mar 2016 | YouGov Online | Times | 33 | 34 | 6 | 3 | 16 | +1 |
| 23 Feb 2016 | YouGov Online | Times | 37 | 30 | 6 | 3 | 16 | +7 |
| 04 Feb 2016 | YouGov | Times | 39 | 29 | 6 | 3 | 18 | +10 |
| 28 Jan 2016 | YouGov | 39 | 30 | 6 | 3 | 17 | +9 | |
| 18 Dec 2015 | YouGov | Times | 39 | 29 | 6 | 3 | 17 | +10 |
| 01 Dec 2015 | YouGov | Times | 41 | 30 | 6 | 2 | 16 | +11 |
| 30 Sep 2015 | YouGov | Sun | 37 | 31 | 7 | 2 | 17 | +6 |
| 18 Sep 2015 | YouGov | Sunday Times | 39 | 31 | 6 | 3 | 16 | +8 |
| 26 May 2015 | YouGov | Sun | 41 | 30 | 7 | 4 | 13 | +11 |
| 06 May 2015 | YouGov | Sun | 34 | 34 | 10 | 4 | 12 | Tie |
| 05 May 2015 | YouGov | Sun | 34 | 34 | 9 | 5 | 12 | Tie |
| 04 May 2015 | YouGov | Sun | 33 | 33 | 10 | 5 | 12 | Tie |
| 03 May 2015 | YouGov | Sun | 34 | 33 | 9 | 5 | 12 | +1 |
| 02 May 2015 | YouGov | Sunday Times | 34 | 33 | 8 | 5 | 13 | +1 |
| 01 May 2015 | YouGov | Sun | 33 | 34 | 8 | 5 | 14 | +1 |
| 30 Apr 2015 | YouGov | Sun on Sunday | 34 | 35 | 9 | 5 | 12 | +1 |
| 30 Apr 2015 | YouGov | Sun | 34 | 35 | 8 | 5 | 12 | +1 |
| 29 Apr 2015 | YouGov | Sun | 35 | 34 | 9 | 4 | 12 | +1 |
| 28 Apr 2015 | YouGov | Sun | 34 | 35 | 9 | 4 | 12 | +1 |
| 27 Apr 2015 | YouGov | Sun | 35 | 34 | 9 | 5 | 12 | +1 |
| 26 Apr 2015 | YouGov | Sun | 33 | 34 | 8 | 5 | 14 | +1 |
| 25 Apr 2015 | YouGov | Sunday Times | 32 | 34 | 9 | 6 | 14 | +2 |
| 24 Apr 2015 | YouGov | Sun | 33 | 35 | 8 | 6 | 13 | +2 |
| 23 Apr 2015 | YouGov | Sun | 33 | 35 | 8 | 5 | 13 | +2 |
| 22 Apr 2015 | YouGov | Sun | 33 | 34 | 7 | 5 | 14 | +1 |
| 21 Apr 2015 | YouGov | Sun | 35 | 34 | 7 | 5 | 13 | +1 |
| 20 Apr 2015 | YouGov | Sun | 34 | 35 | 7 | 5 | 13 | +1 |
| 19 Apr 2015 | YouGov | Sun | 34 | 35 | 8 | 5 | 13 | +1 |
| 18 Apr 2015 | YouGov | Sunday Times | 33 | 36 | 8 | 5 | 13 | +3 |
| 17 Apr 2015 | YouGov | Sun | 34 | 34 | 9 | 5 | 14 | Tie |
| 16 Apr 2015 | YouGov | Sun | 34 | 34 | 7 | 5 | 14 | Tie |
| 15 Apr 2015 | YouGov | Sun | 34 | 35 | 8 | 5 | 13 | +1 |
| 14 Apr 2015 | YouGov | Sun | 33 | 35 | 8 | 5 | 13 | +2 |
| 13 Apr 2015 | YouGov | Sun | 33 | 34 | 8 | 6 | 13 | +1 |
| 12 Apr 2015 | YouGov | Sun | 33 | 36 | 7 | 5 | 13 | +3 |
| 11 Apr 2015 | YouGov | Sunday Times | 34 | 34 | 7 | 6 | 13 | Tie |
| 10 Apr 2015 | YouGov | Sun | 33 | 35 | 8 | 5 | 13 | +2 |
| 09 Apr 2015 | YouGov | Sun | 35 | 34 | 8 | 4 | 12 | +1 |
| 08 Apr 2015 | YouGov | Sun | 34 | 35 | 8 | 5 | 13 | +1 |
| 07 Apr 2015 | YouGov | Sun | 33 | 35 | 8 | 5 | 14 | +2 |
| 04 Apr 2015 | YouGov | Sunday Times | 34 | 33 | 10 | 4 | 13 | +1 |
| 02 Apr 2015 | YouGov | Sun | 37 | 35 | 7 | 5 | 12 | +2 |
| 01 Apr 2015 | YouGov | Sun | 36 | 34 | 8 | 4 | 13 | +2 |
| 31 Mar 2015 | YouGov | Sun | 35 | 36 | 7 | 5 | 12 | +1 |
| 30 Mar 2015 | YouGov | Sun | 35 | 35 | 8 | 5 | 12 | Tie |
| 28 Mar 2015 | YouGov | Sunday Times | 32 | 36 | 8 | 6 | 13 | +4 |
| 26 Mar 2015 | YouGov | Sun | 36 | 34 | 7 | 5 | 13 | +2 |
| 25 Mar 2015 | YouGov | Sun | 34 | 35 | 8 | 6 | 12 | +1 |
| 24 Mar 2015 | YouGov | Sun | 35 | 35 | 8 | 6 | 12 | Tie |
| 23 Mar 2015 | YouGov | Sun | 34 | 34 | 8 | 6 | 12 | Tie |
| 20 Mar 2015 | YouGov | Sunday Times | 33 | 35 | 8 | 5 | 14 | +2 |
| 19 Mar 2015 | YouGov | Sun | 35 | 33 | 8 | 6 | 13 | +2 |
| 18 Mar 2015 | YouGov | Sun | 33 | 34 | 8 | 6 | 14 | +1 |
| 17 Mar 2015 | YouGov | Sun | 34 | 36 | 7 | 6 | 12 | +2 |
| 16 Mar 2015 | YouGov | Sun | 33 | 35 | 7 | 7 | 13 | +2 |
| 13 Mar 2015 | YouGov | Sunday Times | 34 | 34 | 7 | 5 | 14 | Tie |
| 12 Mar 2015 | YouGov | Sun | 33 | 32 | 7 | 6 | 16 | +1 |
| 11 Mar 2015 | YouGov | Sun | 34 | 35 | 7 | 5 | 14 | +1 |
| 10 Mar 2015 | YouGov | Sun | 33 | 31 | 8 | 6 | 15 | +2 |
| 09 Mar 2015 | YouGov | Sun | 35 | 31 | 8 | 6 | 14 | +4 |
| 06 Mar 2015 | YouGov | Sunday Times | 34 | 33 | 8 | 5 | 15 | +1 |
| 05 Mar 2015 | YouGov | Sun | 31 | 35 | 6 | 8 | 15 | +4 |