.
| S | D | M | C | B | F | V | |||
|---|---|---|---|---|---|---|---|---|---|
| 2026-08-21 – 2026-09-14 | Maskína / Vísir | 27 5% | 25 0% | 13 0% | 11 9% | 7 5% | 4 3% | 4 5% | (6 3%) |
| 2026-08-04 – 2026-08-31 | Gallup / RÚV | 29 6% | 26 8% | 15 6% | 9 7% | 5 5% | 4 8% | 3 6% | (4 4%) |
| 2026-07-22 – 2026-08-11 | Maskína / Vísir | 26 2% | 25 1% | 12 7% | 11 5% | 7 8% | 5 2% | 4 2% | (7 3%) |
| 2026-07-01 – 2026-08-03 | Gallup / RÚV | 27 9% | 25 4% | 14 6% | 11 4% | 5 8% | 5 2% | 3 9% | (5 8%) |
| 2026-06-26 – 2026-07-08 | Maskína / Vísir | 24 4% | 25 0% | 13 4% | 12 7% | 6 6% | 5 9% | 4 9% | (7 1%) |
| 2026-06-01 – 2026-06-30 | Gallup / RÚV | 26 2% | 24 9% | 15 1% | 11 4% | 5 3% | 4 6% | 5% | (7 5%) |
| 2026-06-02 – 2026-06-11 | Maskína / Vísir | 25 2% | 22 7% | 14 2% | 12 4% | 8 5% | 4 1% | 5 4% | (7 5%) |
| 2026-04-30 – 2026-05-31 | Gallup / RÚV | 28 4% | 23 5% | 17 6% | 10 6% | 6 7% | 4% | 4 3% | (4 9%) |
| 2026-04-17 – 2026-05-12 | Maskína / Vísir | 25 3% | 19 8% | 15 0% | 14 4% | 7 8% | 4 7% | 5 3% | (7 7%) |
| 2026-04-01 – 2026-04-29 | Gallup / RÚV | 28 5% | 21 4% | 18 9% | 10 6% | 5 4% | 5 2% | 5 1% | (4 9%) |
| 475 | 475 | 3 925 | |
| 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 | 23 | 23 | 219 |
| 2026 | 18 | 18 | 163 |