CIS barometer

CIS poll of January 10, 2026

In the CIS poll (fieldwork January 5, 2026 to January 10, 2026, 4,006 interviews), the list with the most votes is PSOE, on 31.7 % of the vote. Next comes PP, on 23.0 %. Compared with this pollster's previous poll (December 5, 2025), PSOE moved by +0.3 points. In our average that day, PSOE stood at 26.9 %.

Pollster
CIS
Commissioned by
n/a
Fieldwork
5-10 Jan
Sample
4,006

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

Estimate by party

PartyVoteVs. previousVs. average
PSOE31.7 %+0.3+4.8
PP23.0 %+0.6−9.3
Vox17.7 %+0.1−0.6
Sumar7.2 %−0.6+1.0
Podemos3.5 %−0.6−0.6
ERC2.6 %+0.5+0.7
SALF1.8 %−0.6+0.1
EH Bildu1.5 %0.0+0.1
Junts1.0 %+0.2−0.3
PNV1.0 %+0.1−0.1
BNG0.9 %+0.1−0.1
CC0.3 %+0.1−0.1
UPN0.1 %0.0−0.1

Vs. previous: change in points from the same pollster's poll of December 5, 2025. Vs. average: difference from our weighted average of January 10, 2026.

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

How to cite: Su Momento, “CIS poll of January 10, 2026”, January 10, 2026, https://sumomento.com/en/encuestas/cis-2026-01-10