CIS barometer
CIS poll of June 4, 2026
In the CIS poll (fieldwork June 1, 2026 to June 4, 2026, 4,024 interviews), the list with the most votes is PSOE, on 31.3 % of the vote. Next comes PP, on 27.1 %. Compared with this pollster's previous poll (May 18, 2026), PSOE moved by −4.9 points. In our average that day, PSOE stood at 27.2 %.
- Pollster
- CIS
- Commissioned by
- n/a
- Fieldwork
- 1-4 Jun
- Sample
- 4,024
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 | 31.3 % | −4.9 | +4.1 |
| PP | 27.1 % | +2.2 | −5.7 |
| Vox | 15.8 % | −0.4 | −2.0 |
| Sumar | 6.4 % | +0.7 | +0.5 |
| Podemos | 2.8 % | +0.3 | −0.4 |
| ERC | 1.9 % | −0.7 | 0.0 |
| SALF | 1.9 % | −0.5 | 0.0 |
| EH Bildu | 1.2 % | +0.3 | −0.2 |
| Junts | 1.0 % | +0.2 | −0.4 |
| BNG | 1.0 % | +0.3 | +0.1 |
| PNV | 0.6 % | +0.1 | −0.5 |
| CC | 0.2 % | +0.1 | −0.2 |
| UPN | 0.1 % | 0.0 | −0.1 |
Vs. previous: change in points from the same pollster's poll of May 18, 2026. Vs. average: difference from our weighted average of June 4, 2026.
Figures from the poll table on Wikipedia (CC BY-SA 4.0). Original publication: CIS.
How to cite: Su Momento, “CIS poll of June 4, 2026”, June 4, 2026, https://sumomento.com/en/encuestas/cis-2026-06-04