| Fieldwork Period | Polling Firm | Commissioner(s) | Sample Size | NAT | LAB | GRN | ACT | NZ First | TPM | TOP | NZOFP | NZL | NCP | Other |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-07-01 – 2025-07-10 | Talbot Mills | — | 1090 | 32% | 35% | 12% | 8% | 7% | 3.8% | — | — | — | — | — |
| 2025-07-02 – 2025-07-06 | Curia | Taxpayers’ Union | 1000 | 33.9% | 31.6% | 9.4% | 9.1% | 9.8% | 3.5% | 1.2% | 0.1% | — | 0.5% | 0.9% |
| 2025-05-26 – 2025-06-22 | Roy Morgan | — | 812 | 32% | 28.5% | 11% | 11.5% | 8% | 5% | 3% | — | — | — | 1% |
| 2025-06-12 – 2025-06-15 | Freshwater Strategy | The Post | 1150 | 32% | 34% | 11% | 8% | 8% | 2% | — | — | — | — | 4% |
| 2025-06-07 – 2025-06-09 | Curia | Taxpayers’ Union | 1000 | 33.5% | 34.8% | 8.2% | 9.1% | 6.1% | 3.3% | 1.8% | 1.1% | — | 0.7% | 1.4% |
| 2025-05-23 – 2025-05-30 | Reid Research | RNZ | 1008 | 30.7% | 33.2% | 11.6% | 6.6% | 9.1% | 5.5% | 2.2% | — | — | 0.8% | 0.3% |
| 2025-05-24 – 2025-05-28 | Verian | 1News | 1002 | 34% | 29% | 12% | 8% | 8% | 3.7% | 1.3% | 1.1% | — | 0.4% | 2.4% |
| 2025-04-28 – 2025-05-25 | Roy Morgan | — | 799 | 31.5% | 29% | 11.5% | 12% | 6.5% | 4.5% | 3% | — | — | — | 2% |
| 2025-04-30 – 2025-05-04 | Curia | Taxpayers’ Union | 1000 | 34.6% | 33.2% | 9.1% | 9.5% | 7.4% | 3.9% | 0.5% | 0.4% | — | — | 1.4% |
| 2025-03-24 – 2025-04-20 | Roy Morgan | — | 829 | 31% | 28.5% | 14% | 9% | 9% | 4.5% | 2.5% | — | — | — | 1.5% |
| 2025-03-29 – 2025-04-02 | Verian | 1News | 1000 | 36% | 32% | 10% | 9% | 7% | 3.4% | 2.1% | 0.4% | — | — | — |
| 2025-03-29 – 2025-04-01 | Curia | Taxpayers’ Union | 1000 | 33.5% | 29.8% | 11% | 10% | 7.4% | 4.3% | 1.5% | 1% | — | 0.4% | — |
| 2025-03-21 – 2025-03-27 | Reid Research | RNZ | 1000 | 32.9% | 32.3% | 10% | 9.4% | 7.2% | 5% | 1.8% | — | — | — | — |
| 2025-02-24 – 2025-03-23 | Roy Morgan | — | 888 | 32.5% | 27.5% | 14.5% | 7.5% | 7% | 5.5% | 4% | — | — | — | 1.5% |
| 2025-03-01 – 2025-03-10 | Talbot Mills | — | 1003 | 31% | 34% | 10% | 10% | 6.1% | 4.4% | — | — | — | — | — |
| 2025-03-02 – 2025-03-04 | Curia | Taxpayers’ Union | 1000 | 33.6% | 34.1% | 10% | 7.7% | 5.1% | 6.5% | 0.5% | 0.6% | — | — | 1.9% |
| 2025-01-27 – 2025-02-23 | Roy Morgan | — | 888 | 30.5% | 29% | 15.5% | 11% | 6% | 3% | 2.5% | — | — | — | 2.5% |
| 2025-02-03 – 2025-02-07 | Verian | 1News | 1002 | 34% | 33% | 10% | 9% | 5% | 3.7% | 1.9% | 0.3% | — | 0.2% | 3.1% |
| 2025-02-02 – 2025-02-04 | Curia | Taxpayers’ Union | 1000 | 31.9% | 31.3% | 13.2% | 10% | 6.4% | 4.4% | 0.5% | 0.9% | — | 0.2% | 1.1% |
| 2025-01-07 – 2025-01-27 | Talbot Mills | — | 1049 | 33% | 34% | 12% | 9% | 5.2% | 4.6% | — | — | — | — | — |
| 2025-01-02 – 2025-01-26 | Roy Morgan | — | 885 | 32.5% | 28.5% | 11.5% | 9% | 8.5% | 6.5% | 1.5% | — | — | — | 2% |
| 2025-01-09 – 2025-01-13 | Curia | Taxpayers’ Union | 1000 | 29.6% | 30.9% | 9.5% | 10.8% | 8.1% | 5.3% | 2.1% | 1.7% | — | — | 2.0% |
| 2024-11-25 – 2024-12-15 | Roy Morgan | — | 885 | 31% | 26% | 13.5% | 13% | 7.5% | 5.5% | 1% | — | — | — | 2.5% |
| 2024-11-30 – 2024-12-04 | Verian | 1News | 1006 | 37% | 29% | 10% | 8% | 6% | 7% | 1.5% | — | — | 0.4% | 1.6% |
| 2024-12-01 – 2024-12-03 | Curia | Taxpayers’ Union | 1000 | 34.2% | 26.9% | 8.3% | 13% | 5.4% | 5.5% | 1.1% | 2.0% | — | — | 0.2% |
| 2024-11-26 – 2024-11-27 | Freshwater Strategy | The Post | 1150 | 34% | 31% | 13% | 8% | 6% | 4% | — | — | — | — | — |
| 2024-10-28 – 2024-11-24 | Roy Morgan | — | 866 | 28.5% | 28% | 13.5% | 9% | 6.5% | 9% | 3.5% | — | — | — | 2% |
| 2024-11-06 – 2024-11-10 | Curia | Taxpayers’ Union | 1000 | 38.8% | 31.5% | 9.3% | 8.5% | 6.5% | 2.5% | 0.9% | — | — | — | 2.1% |
| 2024-11-01 – 2024-11-10 | Talbot Mills | — | — | 34% | 33% | 10% | 10% | 7% | 3.3% | — | — | — | — | — |
| 2024-09-23 – 2024-10-20 | Roy Morgan | — | 883 | 31% | 29% | 14% | 9% | 7% | 5% | 2% | — | — | — | 3% |
| 2024-10-05 – 2024-10-09 | Verian | 1News | 1000 | 37% | 29% | 12% | 8% | 5% | 3.8% | 2.6% | 0.2% | — | 0.2% | 1.9% |
| 2024-10-03 – 2024-10-07 | Curia | Taxpayers’ Union | 1000 | 34.9% | 30.3% | 10.4% | 9.7% | 7.6% | 3% | 2.5% | — | — | — | 1.6% |
| 2024-08-26 – 2024-09-22 | Roy Morgan | — | 902 | 37.5% | 23% | 14% | 10% | 7.5% | 4% | 2.5% | — | — | — | 1.5% |
| 2024-09-01 – 2024-09-10 | Talbot Mills | — | — | 37% | 32% | 10% | 8% | 6.1% | 3.9% | — | — | — | — | — |
| 2024-09-08 – 2024-09-10 | Curia | Taxpayers’ Union | 1000 | 39% | 26.7% | 11% | 8.8% | 6.8% | 5% | 1.1% | — | — | — | 2.4% |
| 2024-07-29 – 2024-08-25 | Roy Morgan | — | 898 | 36% | 26.5% | 13% | 9.5% | 7.5% | 3.5% | 2.5% | — | — | — | 1.5% |
| 2024-08-10 – 2024-08-14 | Verian | 1News | 1001 | 38% | 30% | 11% | 7% | 6% | 4.2% | 1.1% | 0.1% | — | 0.5% | 2.2% |
| 2024-06-24 – 2024-07-21 | Roy Morgan | — | 930 | 32.5% | 24% | 14% | 11% | 6.5% | 6% | 4.5% | — | — | — | 1.5% |
| 2024-07-04 – 2024-07-08 | Curia | Taxpayers’ Union | 1000 | 37.6% | 25.9% | 12.5% | 9.1% | 7.3% | 3.5% | 2.4% | 1.0% | — | — | 0.8% |
| 2024-05-27 – 2024-06-23 | Roy Morgan | — | 930 | 35% | 27.5% | 14.5% | 9% | 5.5% | 3.5% | 2.5% | — | — | — | 2.5% |
| 2024-06-15 – 2024-06-19 | Verian | 1News | 1002 | 38% | 29% | 13% | 7% | 6% | 3.3% | 1.5% | 0.2% | 0.2% | 0.1% | 1.6% |
| 2024-06-04 – 2024-06-06 | Curia | Taxpayers’ Union | 1000 | 35.4% | 29.4% | 12.7% | 9.7% | 5.6% | 4.0% | 0.8% | 1.3% | — | 0.1% | 1.0% |
| 2024-04-22 – 2024-05-19 | Roy Morgan | — | 925 | 33.5% | 30% | 14% | 9.5% | 5.5% | 3% | 3% | — | — | — | 1.5% |
| 2024-05-01 – 2024-05-10 | Talbot Mills | — | — | 35% | 32% | — | — | — | — | — | — | — | — | — |
| 2024-05-05 – 2024-05-07 | Curia | Taxpayers’ Union | 1000 | 37.3% | 30% | 10.2% | 9.4% | 5.5% | 3.1% | 1.4% | 1.1% | — | — | 2.0% |
| 2024-04-20 – 2024-04-24 | Verian | 1News | 1000 | 36% | 30% | 14% | 7% | 4.2% | 3.7% | 1.2% | — | 0.9% | 0.3% | 2.5% |
| 2024-03-25 – 2024-04-21 | Roy Morgan | — | 934 | 36.5% | 24.5% | 13% | 11% | 5.5% | 5.5% | 2% | — | — | — | 2% |
| 2024-04-02 – 2024-04-04 | Curia | Taxpayers’ Union | 1000 | 37.1% | 25.7% | 14.6% | 7.2% | 6.3% | 4.6% | 1.6% | 1.5% | — | 0.2% | 1.3% |
| 2024-02-26 – 2024-03-24 | Roy Morgan | — | 931 | 38% | 23% | 13.5% | 11.5% | 6.5% | 3.5% | 2.5% | — | — | — | 1% |
| 2024-03-01 – 2024-03-10 | Talbot Mills | — | ≥1000 | 38% | 28% | 14% | 8% | 6% | — | — | — | — | — | — |