EU Membership: YouGov
| End Date | Company | Client | IN | OUT | DK | Lead |
| 04 Sep 2018 | YouGov Online | People's Vote | 46 | 42 | 7 | +4 |
| 20 Aug 2018 | YouGov Online | People's Vote | 46 | 41 | 13 | +5 |
| 07 Aug 2018 | YouGov Online | People's Vote | 46 | 40 | 14 | +6 |
| 26 Jul 2018 | YouGov Online | Times | 45 | 42 | 13 | +3 |
| 24 Jul 2018 | YouGov Online | 47 | 41 | 12 | +6 | |
| 20 Jul 2018 | YouGov Online | Sunday Times | 44 | 40 | 16 | +4 |
| 27 Jun 2018 | YouGov Online | 44 | 44 | 12 | Tie | |
| 11 Jun 2018 | YouGov Online | 45 | 40 | 15 | +5 | |
| 30 Apr 2018 | YouGov Online | 45 | 42 | 13 | +3 | |
| 06 Apr 2018 | YouGov Online | Best for Britain | 44 | 41 | 15 | +3 |
| 03 Mar 2018 | YouGov Online | 44 | 41 | 14 | +3 | |
| 22 Jan 2018 | YouGov Online | 46 | 42 | 12 | +4 | |
| 17 Nov 2017 | YouGov Online | 43 | 43 | 14 | Tie | |
| 24 Oct 2017 | YouGov Online | 44 | 40 | 16 | +4 | |
| 24 Jul 2017 | YouGov Online | 46 | 43 | 11 | +3 | |
| 30 Jun 2017 | YouGov Online | 46 | 42 | 13 | +4 | |
| 30 Mar 2017 | YouGov Online | 44 | 43 | 14 | +1 | |
| 24 Jan 2017 | YouGov Online | 43 | 44 | 13 | +1 | |
| 21 Dec 2016 | YouGov Online | 44 | 43 | 7 | +1 | |
| 25 Oct 2016 | YouGov Online | 44 | 43 | 7 | +1 | |
| 20 Sep 2016 | YouGov Online | 42 | 46 | 6 | +4 | |
| 09 Sep 2016 | YouGov Online | 43 | 45 | 13 | +2 | |
| 22 Jul 2016 | YouGov Online | 43 | 44 | 6 | +1 | |
| 04 Jul 2016 | YouGov Online | 45 | 45 | 10 | Tie | |
| 04 Jul 2016 | YouGov Online | 45 | 45 | 6 | Tie | |
| 23 Jun 2016 | YouGov Online | 48 | 45 | 6 | +3 | |
| 22 Jun 2016 | YouGov Online | Times | 45 | 45 | 8 | Tie |
| 19 Jun 2016 | YouGov Online | Times | 42 | 44 | 9 | +2 |
| 18 Jun 2016 | YouGov Online | Sunday Times | 44 | 43 | 9 | +1 |
| 16 Jun 2016 | YouGov Online | Good Morning Britain | 42 | 44 | 9 | +2 |
| 13 Jun 2016 | YouGov Online | Times | 39 | 46 | 11 | +7 |
| 10 Jun 2016 | YouGov Online | Sunday Times | 42 | 43 | 11 | +1 |
| 06 Jun 2016 | YouGov Online | Times | 43 | 42 | 11 | +1 |
| 03 Jun 2016 | YouGov Online | Good Morning Britain | 41 | 45 | 11 | +4 |
| 31 May 2016 | YouGov Online | Times | 41 | 41 | 13 | Tie |
| 24 May 2016 | YouGov Online | Times | 41 | 41 | 13 | Tie |
| 17 May 2016 | YouGov Online | Times | 44 | 40 | 12 | +4 |
| 12 May 2016 | YouGov Online | 38 | 40 | 16 | +2 | |
| 12 May 2016 | YouGov Phone | 36 | 39 | 22 | +3 | |
| 06 May 2016 | YouGov Online | Good Morning Britain | 42 | 40 | 13 | +2 |
| 26 Apr 2016 | YouGov Online | Times | 41 | 42 | 13 | +1 |
| 25 Apr 2016 | YouGov Online | 44 | 38 | 13 | +6 | |
| 14 Apr 2016 | YouGov Online | Good Morning Britain | 40 | 39 | 16 | +1 |
| 12 Apr 2016 | YouGov Online | Times | 39 | 39 | 15 | Tie |
| 07 Apr 2016 | YouGov Online | 40 | 38 | 16 | +2 | |
| 04 Apr 2016 | YouGov Online | 39 | 38 | 18 | +1 | |
| 22 Mar 2016 | YouGov Online | 40 | 37 | 19 | +3 | |
| 03 Mar 2016 | YouGov Online | 40 | 37 | 18 | +3 | |
| 02 Mar 2016 | YouGov Online | 40 | 35 | 19 | +5 | |
| 01 Mar 2016 | YouGov Online | 39 | 37 | 19 | +2 | |
| 25 Feb 2016 | YouGov Online | 41 | 38 | 16 | +3 | |
| 23 Feb 2016 | YouGov Online | Times | 37 | 38 | 20 | +1 |
| 04 Feb 2016 | YouGov Online | Times | 36 | 45 | 17 | +9 |
| 28 Jan 2016 | YouGov Online | 38 | 42 | 20 | +4 | |
| 27 Jan 2016 | YouGov Online | 39 | 41 | 17 | +2 | |
| 18 Dec 2015 | YouGov Online | Times | 41 | 42 | 15 | +1 |
| 24 Nov 2015 | YouGov Online | 41 | 41 | 15 | Tie | |
| 24 Nov 2015 | YouGov Online | 40 | 38 | 22 | +2 | |
| 27 Oct 2015 | YouGov Online | 40 | 40 | 17 | Tie | |
| 18 Sep 2015 | YouGov Online | 38 | 41 | 17 | +3 | |
| 17 Sep 2015 | YouGov Online | Times | 38 | 40 | 16 | +2 |
| 19 Aug 2015 | YouGov Online | 44 | 37 | 16 | +7 | |
| 29 Jul 2015 | YouGov Online | 45 | 37 | 16 | +8 | |
| 24 Jun 2015 | YouGov Online | 44 | 38 | 16 | +6 | |
| 11 Jun 2015 | YouGov Online | 43 | 36 | 18 | +7 | |
| 02 Jun 2015 | YouGov Online | 42 | 35 | 19 | +7 | |
| 22 May 2015 | YouGov Online | Sunday Times | 44 | 36 | 17 | +8 |
| 04 May 2015 | YouGov Online | Sun | 45 | 33 | 18 | +12 |
| 29 Apr 2015 | YouGov Online | Times | 52 | 32 | 16 | +20 |
| 28 Apr 2015 | YouGov Online | 47 | 33 | 17 | +14 | |
| 20 Apr 2015 | YouGov Online | Sun | 45 | 35 | 16 | +10 |
| 23 Mar 2015 | YouGov Online | Times | 42 | 34 | 20 | +8 |
| 23 Mar 2015 | YouGov Online | Sun | 46 | 36 | 15 | +10 |
| 24 Feb 2015 | YouGov Online | 45 | 37 | 13 | +8 | |
| 23 Feb 2015 | YouGov Online | Sun | 45 | 35 | 17 | +10 |
| 26 Jan 2015 | YouGov Online | Sun | 43 | 37 | 15 | +6 |
| 19 Jan 2015 | YouGov Online | British Influence | 43 | 38 | 15 | +5 |
| 15 Dec 2014 | YouGov Online | Sun | 40 | 39 | 16 | +1 |
| 01 Dec 2014 | YouGov Online | Sun | 42 | 39 | 16 | +3 |
| 26 Nov 2014 | YouGov Online | 38 | 43 | 15 | +5 | |
| 21 Nov 2014 | YouGov Online | Sun on Sunday | 40 | 41 | 16 | +1 |
| 21 Nov 2014 | YouGov Online | Sunday Times | 40 | 41 | 15 | +1 |
| 17 Nov 2014 | YouGov Online | Sun | 39 | 39 | 17 | Tie |
| 03 Nov 2014 | YouGov Online | Sun | 38 | 41 | 16 | +3 |
| 31 Oct 2014 | YouGov Online | Sunday Times | 37 | 43 | 16 | +6 |
| 28 Oct 2014 | YouGov Online | Times | 35 | 44 | 16 | +9 |
| 24 Oct 2014 | YouGov Online | Sunday Times | 41 | 40 | 15 | +1 |
| 21 Oct 2014 | YouGov Online | Times | 44 | 36 | 15 | +8 |
| 20 Oct 2014 | YouGov Online | Sun | 40 | 39 | 16 | +1 |
| 22 Sep 2014 | YouGov Online | Sun | 42 | 38 | 14 | +4 |
| 26 Aug 2014 | YouGov Online | Sun | 41 | 40 | 14 | +1 |
| 11 Aug 2014 | YouGov Online | Sun | 40 | 38 | 17 | +2 |
| 14 Jul 2014 | YouGov Online | Sun | 41 | 38 | 16 | +3 |
| 30 Jun 2014 | YouGov Online | Sun | 40 | 39 | 16 | +1 |
| 27 Jun 2014 | YouGov Online | Sunday Times | 39 | 37 | 18 | +2 |
| 20 Jun 2014 | YouGov Online | Sunday Times | 39 | 39 | 15 | Tie |
| 16 Jun 2014 | YouGov Online | Sun | 44 | 36 | 15 | +8 |