CIS barometer

CIS poll of October 7, 2025

In the CIS poll (fieldwork October 1, 2025 to October 7, 2025, 4,029 interviews), the list with the most votes is PSOE, on 34.8 % of the vote. Next comes PP, on 19.8 %. Compared with this pollster's previous poll (September 6, 2025), PSOE moved by +2.1 points. In our average that day, PSOE stood at 27.7 %.

Pollster
CIS
Commissioned by
n/a
Fieldwork
1-7 Oct
Sample
4,029

CIS barometers and their re-estimates are not part of our average: they are shown separately.

Estimate by party

PartyVoteVs. previousVs. average
PSOE34.8 %+2.1+7.1
PP19.8 %−3.9−12.8
Vox17.7 %+0.4+0.6
Sumar7.7 %−0.2+1.8
Podemos4.9 %+0.6+0.6
ERC2.0 %−0.1+0.3
SALF1.3 %−0.3−0.2
Junts1.0 %+0.2−0.5
EH Bildu1.0 %−0.1−0.4
PNV0.9 %+0.3−0.2
BNG0.8 %+0.1−0.1
CC0.1 %0.0−0.3
UPN0.1 %0.0−0.1

Vs. previous: change in points from the same pollster's poll of September 6, 2025. Vs. average: difference from our weighted average of October 7, 2025.

Figures from the poll table on Wikipedia (CC BY-SA 4.0). Original publication: CIS.

How to cite: Su Momento, “CIS poll of October 7, 2025”, October 7, 2025, https://sumomento.com/en/encuestas/cis-2025-10-07