CIS barometer
CIS poll of March 6, 2026
In the CIS poll (fieldwork March 2, 2026 to March 6, 2026, 4,016 interviews), the list with the most votes is PSOE, on 31.8 % of the vote. Next comes PP, on 23.3 %. Compared with this pollster's previous poll (February 6, 2026), PSOE moved by −0.8 points. In our average that day, PSOE stood at 26.8 %.
- Pollster
- CIS
- Commissioned by
- n/a
- Fieldwork
- 2-6 Mar
- Sample
- 4,016
CIS barometers and their re-estimates are not part of our average: they are shown separately.
Estimate by party
| Party | Vote | Vs. previous | Vs. average |
|---|---|---|---|
| PSOE | 31.8 % | −0.8 | +5.0 |
| PP | 23.3 % | +0.4 | −8.0 |
| Vox | 16.6 % | −2.3 | −2.6 |
| Sumar | 7.1 % | +0.1 | +0.6 |
| Podemos | 2.9 % | −1.0 | −0.9 |
| ERC | 2.4 % | −0.1 | +0.6 |
| SALF | 2.1 % | −0.3 | 0.0 |
| BNG | 1.7 % | +0.9 | +0.9 |
| EH Bildu | 1.1 % | +0.1 | −0.2 |
| Junts | 0.6 % | −0.6 | −0.7 |
| PNV | 0.5 % | −0.3 | −0.6 |
| CC | 0.0 % | −0.1 | −0.4 |
| UPN | 0.0 % | −0.1 | −0.2 |
Vs. previous: change in points from the same pollster's poll of February 6, 2026. Vs. average: difference from our weighted average of March 6, 2026.
Figures from the poll table on Wikipedia (CC BY-SA 4.0). Original publication: CIS.
How to cite: Su Momento, “CIS poll of March 6, 2026”, March 6, 2026, https://sumomento.com/en/encuestas/cis-2026-03-06