.
| SDP | Kok | PS | Kesk | Vas | Vihr | KD | |||
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-14 – 2026-08-17 | Verian / Helsingin Sanomat | 23 8% | 16 5% | 14 6% | 13 7% | 11 3% | 8 8% | 3 0% | (8 3%) |
| 2026-07-06 – 2026-08-03 | Taloustutkimus / Yle | 23 8% | 17 0% | 15 6% | 12 7% | 10 3% | 9 0% | 3 5% | (8 1%) |
| 2026-06-15 – 2026-07-13 | Verian / Helsingin Sanomat | 23 8% | 16 7% | 14 2% | 13 7% | 11 5% | 8 8% | 3 1% | (8 2%) |
| 2026-06-04 – 2026-06-30 | Taloustutkimus / Yle | 23 2% | 17 4% | 14 5% | 13 6% | 11 4% | 8 6% | 3 4% | (7 9%) |
| 2026-05-18 – 2026-06-15 | Verian / Helsingin Sanomat | 24 1% | 17 4% | 13 6% | 13 6% | 11 2% | 9 0% | 3 1% | (8 0%) |
| 2026-05-11 – 2026-06-01 | Taloustutkimus / Yle | 23 0% | 18 3% | 13 8% | 14 1% | 11 2% | 8 3% | 3 4% | (7 9%) |
| 2026-04-21 – 2026-05-18 | Verian / Helsingin Sanomat | 24 3% | 17 3% | 13 4% | 13 6% | 11 0% | 9 1% | 3 3% | (8 0%) |
| 2026-04-13 – 2026-05-05 | Taloustutkimus / Yle | 23 7% | 17 6% | 13 9% | 14 2% | 10 9% | 9 1% | 4 0% | (6 6%) |
| 2026-03-18 – 2026-04-20 | Verian / Helsingin Sanomat | 24 6% | 17 6% | 13 3% | 13 7% | 10 6% | 9 2% | 3 1% | (7 9%) |
| 2026-03-04 – 2026-04-07 | Taloustutkimus / Yle | 24 1% | 17 4% | 13 5% | 14 5% | 11 3% | 8 7% | 3 2% | (7 3%) |
| 229 | 229 | 2 058 | |
| 2018 | 34 | 34 | 306 |
| 2019 | 34 | 34 | 303 |
| 2020 | 27 | 27 | 243 |
| 2021 | 18 | 18 | 162 |
| 2022 | 23 | 23 | 209 |
| 2023 | 24 | 24 | 216 |
| 2024 | 30 | 30 | 268 |
| 2025 | 23 | 23 | 207 |
| 2026 | 16 | 16 | 144 |