Poll

Celeste-Tel for Onda Cero poll of September 12, 2025

In the Celeste-Tel for Onda Cero poll (fieldwork September 8, 2025 to September 12, 2025, 1,100 interviews), the list with the most votes is PP, on 34.9 % of the vote and 153 seats. Next comes PSOE, on 26.1 % and 105 seats. Compared with this pollster's previous poll (July 14, 2025), PP moved by −0.6 points. In our average that day, PP stood at 33.3 %.

Pollster
Celeste-Tel
Commissioned by
Onda Cero
Fieldwork
8-12 Sep
Sample
1,100

Estimate by party

PartyVoteSeatsVs. previousVs. average
PP34.9 %153(−5)−0.6+1.6
PSOE26.1 %105(+1)+0.5−0.6
Vox15.2 %48(+4)+0.9−1.4
Sumar6.9 %11(+1)0.0+0.5
Podemos4.7 %4(−1)−0.70.0
ERC1.7 %7−0.10.0
SALF1.7 %0−0.2−0.1
Junts1.6 %70.0+0.1
EH Bildu1.4 %60.00.0
PNV1.2 %50.0+0.1
BNG0.8 %20.00.0
CC0.5 %10.0+0.1
UPN0.2 %10.00.0

Vs. previous: change in points from the same pollster's poll of July 14, 2025. Vs. average: difference from our weighted average of September 12, 2025.

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

How to cite: Su Momento, “Celeste-Tel for Onda Cero poll of September 12, 2025”, September 12, 2025, https://sumomento.com/en/encuestas/celeste-tel-2025-09-12