Leaders' Net Approval: Opinium
| End Date | Company | Client | CON | LAB | LD | UKIP |
| 16 Dec 2016 | Opinium Online | Observer | +15 | -26 | -17 | -22 |
| 18 Nov 2016 | Opinium Online | Observer | +18 | -20 | -20 | -20 |
| 04 Nov 2016 | Opinium Online | Observer | +21 | -22 | -18 | -22 |
| 21 Oct 2016 | Opinium Online | Observer | +22 | -28 | -21 | -26 |