| SVP/UDC | SP/PS | DM/LC | FDP/PLR | GRÜNE/VERTS | GLP/PVL | EVP/PEV | |||
|---|---|---|---|---|---|---|---|---|---|
| 2025-09-16 – 2025-09-17 | LeeWas / Tamedia | 29 8% | 17 9% | 13 7% | 13 5% | 9 7% | 7 4% | — | (8 0%) |
| 2025-08-25 – 2025-09-11 | Sotomo / SRG SSR | 30 4% | 18 8% | 13 6% | 13 3% | 10 3% | 6 1% | 1 5% | (6 0%) |
| 2024-10-28 – 2024-11-11 | Sotomo | 29 9% | 17 8% | 14 1% | 14 3% | 9 5% | 6 6% | 2% | (5 8%) |
| 2023-09-22 – 2023-10-05 | Sotomo / SRG SSR | 28 1% | 18 3% | 14 3% | 14 1% | 9 7% | 6 8% | 2 1% | (6 6%) |
| 2023-09-20 – 2023-09-26 | OpinionPlus | 28 8% | 17 8% | 14 1% | 14 0% | 10 4% | 7 2% | 2 2% | (5 5%) |
| 2023-09-19 – 2023-09-20 | LeeWas / Tamedia | 28 7% | 17 6% | 13 6% | 13 8% | 10 5% | 7 5% | — | (8 3%) |
| 2023-08-15 – 2023-08-31 | 50plus1 / blue News | 28 9% | 17 3% | 14 4% | 13 1% | 10 0% | 8 8% | — | (7 5%) |
| 2023-08-04 – 2023-08-25 | Sotomo / SRG SSR | 27 6% | 17 3% | 14 8% | 14 6% | 10 7% | 7 3% | 2 1% | (5 6%) |
| 2023-07-10 – 2023-07-11 | LeeWas / Tamedia | 27 9% | 17 3% | 13 9% | 14 3% | 10 7% | 8 2% | — | (7 7%) |
| 2023-06-08 – 2023-06-22 | Sotomo / SRG SSR | 27 1% | 17 8% | 14 3% | 14 6% | 10 2% | 8 3% | 2 1% | (5 6%) |