.
| SDP | Kok | PS | Kesk | Vas | Vihr | SFP | |||
|---|---|---|---|---|---|---|---|---|---|
| 2026-08-18 – 2026-09-14 | Verian / Helsingin Sanomat | 23 4% | 16 5% | 15 0% | 13 6% | 11 6% | 8 6% | 4 1% | (7 2%) |
| 2026-08-10 – 2026-09-01 | Taloustutkimus / Yle | 22 6% | 17 0% | 16 3% | 13 5% | 11 7% | 8 2% | 3 6% | (7 1%) |
| 2026-07-14 – 2026-08-17 | Verian / Helsingin Sanomat | 23 8% | 16 5% | 14 6% | 13 7% | 11 3% | 8 8% | 4 0% | (7 3%) |
| 2026-07-06 – 2026-08-03 | Taloustutkimus / Yle | 23 8% | 17 0% | 15 6% | 12 7% | 10 3% | 9 0% | 3 7% | (7 9%) |
| 2026-06-15 – 2026-07-13 | Verian / Helsingin Sanomat | 23 8% | 16 7% | 14 2% | 13 7% | 11 5% | 8 8% | 4 0% | (7 3%) |
| 2026-06-04 – 2026-06-30 | Taloustutkimus / Yle | 23 2% | 17 4% | 14 5% | 13 6% | 11 4% | 8 6% | 3 8% | (7 5%) |
| 2026-05-18 – 2026-06-15 | Verian / Helsingin Sanomat | 24 1% | 17 4% | 13 6% | 13 6% | 11 2% | 9 0% | 3 9% | (7 2%) |
| 2026-05-11 – 2026-06-01 | Taloustutkimus / Yle | 23 0% | 18 3% | 13 8% | 14 1% | 11 2% | 8 3% | 3 9% | (7 4%) |
| 2026-04-21 – 2026-05-18 | Verian / Helsingin Sanomat | 24 3% | 17 3% | 13 4% | 13 6% | 11 0% | 9 1% | 3 8% | (7 5%) |
| 2026-04-13 – 2026-05-05 | Taloustutkimus / Yle | 23 7% | 17 6% | 13 9% | 14 2% | 10 9% | 9 1% | 3 2% | (7 4%) |
| 231 | 231 | 2 076 | |
| 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 | 18 | 18 | 162 |