2005 New Zealand Election
2005 New Zealand General Election
| Survey End Date | LAB (%) | NAT (%) | Grn (%) | NZF (%) | ACT (%) | |
| AC Nielsen/Fairfax Newspapers | 12/09/05 | 37 | 43 | 6 | 7 | 1 |
| Colmar Brunton/One News | 08/09/05 | 39 | 41 | 6 | 6 | 3 |
| DigiPoll/New Zealand Herald | 07/09/05 | 41 | 40 | 6 | 7 | 2 |
| TNS/TV3 | 06/09/05 | 45 | 36 | 7 | 5 | 2 |
| Colmar Brunton/One News | 01/09/05 | 38 | 46 | 6 | 5 | 1 |
| AC Nielsen/Fairfax Newspapers | 31/08/05 | 41 | 44 | 5 | 4 | 1 |
| DigiPoll/New Zealand Herald | 31/08/05 | 43 | 39 | 5 | 7 | 2 |
| TNS/TV3 | 30/08/05 | 39 | 41 | 6 | 6 | 2 |
| Colmar Brunton/One News | 26/08/05 | 43 | 40 | 7 | 5 | 2 |
| DigiPoll/New Zealand Herald | 24/08/05 | 45 | 36 | 6 | 6 | 1 |
| TNS/TV3 | 21/08/05 | 41 | 37 | 7 | 8 | 2 |
| UMR/Phillips Fox | 21/08/05 | 42 | 33 | 8 | 8 | 2 |
| Colmar Brunton/One News | 17/08/05 | 45 | 37 | 6 | 6 | 2 |
| Roy Morgan | 15/08/05 | 40 | 37 | 8 | 8 | 3 |
| AC Nielsen/Fairfax Newspapers | 10/08/05 | 42 | 41 | 6 | 6 | 1 |
| Colmar Brunton/One News | 04/08/05 | 45 | 41 | 3 | 5 | 2 |
| Roy Morgan | 01/08/05 | 38 | 38 | 6 | 10 | 2 |
| BRC/Sunday Star-Times | ??/07/05 | 41 | 40 | 5 | 7 | 1 |
| TNS/TV3 | 28/07/05 | 39 | 39 | 6 | 7 | 2 |
| DigiPoll/New Zealand Herald | 27/07/05 | 44 | 38 | 3 | 7 | 1 |
| TNS/TV3 | 15/06/05 | 40 | 36 | 6 | 11 | 2 |
