| PP | PSOE | Vox | Sumar | Podemos | SALF | ERC | |||
|---|---|---|---|---|---|---|---|---|---|
| 2025-07-21 – 2025-07-30 | Sigma Dos / El Mundo | 34 9% | 26 7% | 14 8% | 7 9% | 4 4% | 1 5% | 1 8% | (8 0%) |
| 2025-07-21 – 2025-07-24 | SocioMétrica / El Español | 35 5% | 25 0% | 16 0% | 6 3% | 3 8% | 1 7% | 1 6% | (10 1%) |
| 2025-07-14 – 2025-07-18 | Hamalgama Métrica / Vozpópuli | 35 0% | 25 4% | 15 4% | 5 6% | 5 3% | 2 2% | 1 7% | (9 4%) |
| 2025-07-11 – 2025-07-14 | DYM / Henneo | 36 1% | 26 1% | 14 6% | 6 6% | 3 7% | — | — | (12 9%) |
| 2025-07-10 – 2025-07-14 | Celeste-Tel / Onda Cero | 35 5% | 25 6% | 14 3% | 6 9% | 5 4% | 1 9% | 1 8% | (8 6%) |
| 2025-07-09 – 2025-07-10 | Target Point / El Debate | 34 6% | 26% | 15 6% | 7% | 4 2% | 1 9% | — | (10 7%) |
| 2025-07-01 – 2025-07-07 | CIS | 26 5% | 27% | 18 9% | 7 8% | 4 4% | 1 7% | 2 1% | (11 6%) |
| 2025-06-30 – 2025-07-04 | Invymark / laSexta | 36 2% | 29 2% | 14 2% | 5 2% | 4 1% | 1 9% | — | (9 2%) |
| 2025-06-27 – 2025-06-30 | 40dB / Prisa | 33 3% | 27% | 15 2% | 6 2% | 3 8% | 2 5% | — | (12 0%) |
| 2025-06-20 – 2025-06-27 | Sigma Dos / El Mundo | 34 7% | 26 8% | 13 9% | 7 5% | 4 5% | 1 3% | 1 8% | (9 5%) |
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