Best Prime Minister: Survation
| End Date | Company | Client | CON | LAB | OTH | DK | Lead |
| 14 Apr 2018 | Survation Online | Mail on Sunday | 43 | 30 | 28 | +13 | |
| 15 Jul 2017 | Survation Online | Mail on Sunday | 43 | 35 | 21 | +8 | |
| 30 Jun 2017 | Survation Phone | 44 | 38 | 19 | +6 |
| End Date | Company | Client | CON | LAB | OTH | DK | Lead |
| 14 Apr 2018 | Survation Online | Mail on Sunday | 43 | 30 | 28 | +13 | |
| 15 Jul 2017 | Survation Online | Mail on Sunday | 43 | 35 | 21 | +8 | |
| 30 Jun 2017 | Survation Phone | 44 | 38 | 19 | +6 |