Poll

Celeste-Tel for Onda Cero poll of September 21, 2026

In the Celeste-Tel for Onda Cero poll (fieldwork September 16, 2026 to September 21, 2026, 1,100 interviews), the list with the most votes is PP, on 33.9 % of the vote and 147 seats. Next comes PSOE, on 25.4 % and 101 seats. Compared with this pollster's previous poll (September 12, 2025), PP moved by −1.0 points. In our average that day, PP stood at 32.7 %.

Pollster
Celeste-Tel
Commissioned by
Onda Cero
Fieldwork
16-21 Sep
Sample
1,100

Estimate by party

PartyVoteSeatsVs. previousVs. average
PP33.9 %147(−6)−1.0+1.2
PSOE25.4 %101(−4)−0.7−0.7
Vox17.8 %62(+14)+2.6−0.7
Sumar6.4 %9(−2)−0.5+0.3
Podemos3.3 %3(−1)−1.40.0
ERC2.0 %7+0.30.0
SALF1.7 %00.0−0.2
Junts1.5 %6(−1)−0.1+0.2
EH Bildu1.4 %60.00.0
PNV1.1 %5−0.10.0
BNG0.8 %20.0−0.1
CC0.5 %10.0+0.1
UPN0.2 %10.00.0

Vs. previous: change in points from the same pollster's poll of September 12, 2025. Vs. average: difference from our weighted average of September 21, 2026.

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 21, 2026”, September 21, 2026, https://sumomento.com/en/encuestas/celeste-tel-2026-09-21