London Voting Intention 2012
Mayoral Voting Intention – First preference
| Survey End Date | Johnson (%) | Livingstone (%) | Paddick (%) | Other (%) | |
| YouGov/Evening Standard | 02/05/12 | 43 | 38 | 7 | 12 |
| Opinium | 30/04/12 | 43 | 37 | 7 | 13 |
| Populus/Times | 29/04/12 | 46 | 34 | 5 | 15 |
| YouGov/Evening Standard | 29/04/12 | 44 | 41 | 6 | 10 |
| ComRes | 25/04/12 | 45 | 36 | 5 | 13 |
| Survation/Daily Telegraph | 24/04/12 | 42 | 31 | 10 | 17 |
| YouGov/Evening Standard | 22/04/12 | 43 | 42 | 8 | 9 |
| YouGov/Evening Standard | 15/04/12 | 45 | 40 | 7 | 8 |
| ComRes/Evening Standard | 05/04/12 | 46 | 41 | 6 | 6 |
| YouGov | 15/03/12 | 49 | 41 | 5 | 4 |
| YouGov/Evening Standard | 10/02/12 | 46 | 45 | 6 | 3 |
| ComRes/Evening Standard | 21/01/12 | 44 | 46 | 5 | 5 |
| YouGov | 16/01/12 | 44 | 46 | 7 | 3 |
| ComRes/Evening Standard | 27/11/11 | 48 | 40 | 7 | 4 |
| YouGov | 11/06/11 | 48 | 41 | 2 | 9 |
Mayoral Voting Intention – Projected Second Round Result
| Survey End Date | Johnson (%) | Livingstone (%) | Johnson Lead | |
| YouGov/Evening Standard | 02/05/12 | 53 | 47 | +6 |
| Opinium | 30/04/12 | 52 | 48 | +4 |
| Populus/Times | 29/04/12 | 56 | 44 | +12 |
| YouGov/Evening Standard | 29/04/12 | 52 | 48 | +4 |
| ComRes | 25/04/12 | 54 | 46 | +8 |
| Survation/Daily Telegraph | 24/04/12 | 55 | 45 | +10 |
| YouGov/Evening Standard | 22/04/12 | 51 | 49 | +2 |
| TNS-BMRB | 16/04/12 | 53 | 47 | +6 |
| YouGov/Evening Standard | 15/04/12 | 53 | 47 | +6 |
| ComRes/Evening Standard | 05/04/12 | 53 | 47 | +6 |
| YouGov | 15/03/12 | 54 | 46 | +8 |
| YouGov/Evening Standard | 10/02/12 | 51 | 49 | +2 |
| ComRes/Evening Standard | 21/01/12 | 49 | 51 | -2 |
| YouGov | 16/01/12 | 49 | 51 | -2 |
| ComRes/Evening Standard | 27/11/11 | 54 | 46 | +8 |
| YouGov | 11/06/11 | 54 | 46 | +8 |