Poll
Sigma Dos for El Mundo poll of March 31, 2026
In the Sigma Dos for El Mundo poll (fieldwork March 16, 2026 to March 31, 2026, 1,958 interviews), the list with the most votes is PP, on 32.5 % of the vote and 139 seats. Next comes PSOE, on 27.7 % and 113 seats. Compared with this pollster's previous poll (February 27, 2026), PP moved by +0.6 points. In our average that day, PP stood at 31.9 %.
- Pollster
- Sigma Dos
- Commissioned by
- El Mundo
- Fieldwork
- 16-31 Mar
- Sample
- 1,958
Estimate by party
| Party | Vote | Seats | Vs. previous | Vs. average |
|---|---|---|---|---|
| PP | 32.5 % | 139(+4) | +0.6 | +0.6 |
| PSOE | 27.7 % | 113(+5) | +1.3 | 0.0 |
| Vox | 17.1 % | 58(−6) | −1.2 | −1.3 |
| Sumar | 7.7 % | 12(−2) | −0.7 | +1.5 |
| Podemos | 3.5 % | 2 | −0.6 | −0.1 |
| ERC | 1.8 % | 7 | −0.1 | 0.0 |
| EH Bildu | 1.4 % | 6 | +0.3 | 0.0 |
| PNV | 1.1 % | 6 | 0.0 | 0.0 |
| Junts | 1.0 % | 3 | 0.0 | −0.2 |
| BNG | 0.6 % | 1(−1) | −0.1 | −0.2 |
| CC | 0.5 % | 1 | +0.1 | +0.1 |
| Aliança.cat | 0.4 % | 1 | 0.0 | 0.0 |
| UPN | 0.2 % | 1 | 0.0 | 0.0 |
Vs. previous: change in points from the same pollster's poll of February 27, 2026. Vs. average: difference from our weighted average of March 31, 2026.
Figures from the poll table on Wikipedia (CC BY-SA 4.0). Original publication: El Mundo.
How to cite: Su Momento, “Sigma Dos for El Mundo poll of March 31, 2026”, March 31, 2026, https://sumomento.com/en/encuestas/sigma-dos-2026-03-31