| S | M | D | C | F | B | P | |||
|---|---|---|---|---|---|---|---|---|---|
| 2026-02-02 – 2026-03-01 | Gallup / RÚV | 28 5% | 20 3% | 18 1% | 10 9% | 5 8% | 6 6% | 2 7% | (7 1%) |
| 2026-02-01 – 2026-02-27 | Maskína / Vísir | 27 2% | 19% | 16 2% | 13 4% | 4 8% | 7% | 5 2% | (7 2%) |
| 2026-01-21 – 2026-02-16 | Prósent / Morgunblaðið | 30 1% | 19 6% | 13 7% | 13 5% | 7 7% | 5 9% | 3 6% | (5 9%) |
| 2026-01 | Gallup / RÚV | 31 2% | 20 8% | 17 1% | 11 3% | 5 3% | 5 4% | 3 4% | (5 5%) |
| 2026-01 | Gallup / RÚV | 31 2% | 20 8% | 17 1% | 11 3% | 5 3% | 5 4% | 3 4% | (5 5%) |
| 2025-11-03 – 2025-11-30 | Gallup / RÚV | 31 1% | 19 5% | 16 5% | 12 8% | 5 2% | 5 6% | 3 3% | (6 0%) |
| 2025-09-16 – 2025-09-30 | Prósent / Morgunblaðið | 32% | 9 9% | 18 3% | 14 4% | 7 6% | 7 1% | 5 2% | (5 5%) |
| 2025-09-01 – 2025-09-30 | Gallup / RÚV | 34% | 11 8% | 19 5% | 12 6% | 6 9% | 5 8% | 2 9% | (6 5%) |
| 2025-09-04 – 2025-09-19 | Maskína | 31 9% | 9 1% | 18 6% | 14 3% | 6 3% | 6 3% | 5 8% | (7 7%) |
| 2025-08-01 – 2025-08-31 | Gallup / RÚV | 34 6% | 10 7% | 19 7% | 12 9% | 7 4% | 4 5% | 3 5% | (6 7%) |
| 460 | 460 | 3 790 | |
| 2009 | 8 | 8 | 44 |
| 2010 | — | — | — |
| 2011 | — | — | — |
| 2012 | 25 | 25 | 186 |
| 2013 | 33 | 33 | 284 |
| 2014 | 15 | 15 | 90 |
| 2015 | 27 | 27 | 162 |
| 2016 | 59 | 59 | 401 |
| 2017 | 50 | 50 | 418 |
| 2018 | 28 | 28 | 230 |
| 2019 | 31 | 31 | 277 |
| 2020 | 28 | 28 | 251 |
| 2021 | 41 | 41 | 369 |
| 2022 | 25 | 25 | 225 |
| 2023 | 26 | 26 | 234 |
| 2024 | 38 | 38 | 372 |
| 2025 | 21 | 21 | 201 |
| 2026 | 5 | 5 | 46 |