CIS barometer

CIS poll of May 8, 2025

In the CIS poll (fieldwork May 5, 2025 to May 8, 2025, 4,018 interviews), the list with the most votes is PSOE, on 32.0 % of the vote. Next comes PP, on 29.3 %. Compared with this pollster's previous poll (April 8, 2025), PSOE moved by −0.6 points. In our average that day, PSOE stood at 28.9 %.

Pollster
CIS
Commissioned by
n/a
Fieldwork
5-8 May
Sample
4,018

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

Estimate by party

PartyVoteVs. previousVs. average
PSOE32.0 %−0.6+3.1
PP29.3 %+3.2−4.7
Vox13.7 %−1.5−0.1
Sumar6.1 %−0.1+0.4
Podemos4.3 %+0.3−0.5
ERC1.6 %−0.1−0.1
SALF1.5 %−0.4−0.5
Junts1.1 %0.0−0.7
PNV1.1 %+0.4−0.1
BNG1.0 %+0.2+0.2
EH Bildu0.8 %−0.2−0.5
CC0.3 %−0.3−0.1
UPN0.1 %0.0−0.1

Vs. previous: change in points from the same pollster's poll of April 8, 2025. Vs. average: difference from our weighted average of May 8, 2025.

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

How to cite: Su Momento, “CIS poll of May 8, 2025”, May 8, 2025, https://sumomento.com/en/encuestas/cis-2025-05-08