CIS barometer
CIS (Ateneo del Dato) poll of June 4, 2026
In the CIS (Ateneo del Dato) poll (fieldwork June 1, 2026 to June 4, 2026, 4,024 interviews), the list with the most votes is PP, on 31.2 % of the vote and 135 seats. Next comes PSOE, on 28.1 % and 114 seats. Compared with this pollster's previous poll (May 18, 2026), PP moved by +0.5 points. In our average that day, PP stood at 32.8 %.
- Pollster
- CIS (Ateneo del Dato)
- 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 | Seats | Vs. previous | Vs. average |
|---|---|---|---|---|
| PP | 31.2 % | 135(+6) | +0.5 | −1.6 |
| PSOE | 28.1 % | 114(−7) | −2.2 | +0.9 |
| Vox | 16.3 % | 54(−6) | −1.1 | −1.5 |
| Sumar | 7.2 % | 12(+1) | +0.8 | +1.3 |
| Podemos | 2.8 % | 0 | +0.7 | −0.4 |
| SALF | 1.7 % | 0 | −0.1 | −0.2 |
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: Ateneo del Dato.
How to cite: Su Momento, “CIS (Ateneo del Dato) poll of June 4, 2026”, June 4, 2026, https://sumomento.com/en/encuestas/cis-ateneo-del-dato-2026-06-04