| PSOE | PP | Vox | Sumar | Podemos | ERC | Junts | |||
|---|---|---|---|---|---|---|---|---|---|
| 2025-11-06 – 2025-11-08 | SocioMétrica / El Español | 27 2% | 33 7% | 16 9% | 6 6% | 3 5% | 1 8% | 1 6% | (8 7%) |
| 2025-10-30 – 2025-11-06 | Sigma Dos / El Mundo | 27 4% | 33 6% | 16 2% | 7 5% | 4 2% | 1 8% | 1% | (8 3%) |
| 2025-10-31 – 2025-11-04 | Opina 360 / Telecinco | 28 1% | 28 2% | 19 5% | 6 9% | 3 1% | 1 9% | 1 6% | (10 7%) |
| 2025-10-28 – 2025-11-04 | Hamalgama Métrica / Vozpópuli | 26 5% | 33 6% | 18 6% | 6 2% | 4 1% | 1 7% | 1 5% | (7 8%) |
| 2025-10-24 – 2025-10-26 | 40dB / Prisa | 28 3% | 30 5% | 17 1% | 6 8% | 3% | — | — | (14 3%) |
| 2025-10-06 – 2025-10-10 | SocioMétrica / El Español | 26 9% | 34 0% | 16 6% | 6 2% | 3 9% | 1 9% | 1 7% | (8 8%) |
| 2025-10-03 – 2025-10-09 | GESOP / Prensa Ibérica | 27 8% | 29% | 18 4% | 8% | 3 7% | 2% | 1% | (10 1%) |
| 2025-10-01 – 2025-10-07 | CIS | 34 8% | 19 8% | 17 7% | 7 7% | 4 9% | 2% | 1% | (12 1%) |
| 2025-10-01 – 2025-10-04 | NC Report / La Razón | 26 6% | 34 4% | 16 1% | 4 8% | 4 6% | 1 7% | 1 7% | (10 1%) |
| 2025-09-17 – 2025-10-01 | Sigma Dos / El Mundo | 27 2% | 33 8% | 15 9% | 7 4% | 4% | 1 7% | 1 1% | (8 9%) |
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