.
| Reform UK | Lab | Con | GPEW–SGP | Lib Dems | RB | SNP | |||
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-05 – 2026-06-09 | More in Common | 30% | 20% | 20% | 11% | 12% | — | 3% | (4%) |
| 2026-06-07 – 2026-06-08 | YouGov / Sky News–The Times | 25% | 19% | 19% | 14% | 12% | 3% | 3% | (5%) |
| 2026-06-03 – 2026-06-05 | Opinium / The Observer | 29% | 20% | 17% | 14% | 11% | — | 3% | (6%) |
| 2026-06-03 – 2026-06-04 | Find Out Now | 27% | 15% | 17% | 17% | 11% | — | 3% | (10%) |
| 2026-05-31 – 2026-06-01 | YouGov / Sky News–The Times | 27% | 18% | 18% | 15% | 13% | 3% | 3% | (3%) |
| 2026-05-29 – 2026-06-01 | More in Common | 29% | 22% | 21% | 10% | 12% | — | 2% | (4%) |
| 2026-05-29 – 2026-05-31 | Freshwater Strategy / City AM | 28% | 19% | 19% | 12% | 14% | — | 3% | (5%) |
| 2026-05-26 – 2026-05-28 | BMG Research / The i Paper | 29% | 21% | 17% | 12% | 12% | — | 2% | (7%) |
| 2026-05-27 | Find Out Now | 25% | 16% | 18% | 19% | 12% | — | 3% | (7%) |
| 2026-05-25 – 2026-05-26 | YouGov / Sky News–The Times | 24% | 17% | 19% | 16% | 14% | 3% | 3% | (4%) |
| 2 337 | 2 363 | 16 051 | |
| 2017 | 1 | 1 | 8 |
| 2018 | 140 | 140 | 923 |
| 2019 | 256 | 274 | 2 160 |
| 2020 | 168 | 168 | 1 181 |
| 2021 | 262 | 262 | 1 796 |
| 2022 | 364 | 364 | 2 383 |
| 2023 | 396 | 396 | 2 503 |
| 2024 | 351 | 351 | 2 274 |
| 2025 | 275 | 282 | 1 927 |
| 2026 | 124 | 125 | 896 |