Poll

Ateneo del Dato for elDiario.es poll of October 1, 2026

In the Ateneo del Dato for elDiario.es poll (fieldwork September 29, 2026 to October 1, 2026, 1,500 interviews), the list with the most votes is PP, on 33.2 % of the vote and 135 seats. Next comes PSOE, on 27.5 % and 106 seats. Compared with this pollster's previous poll (April 26, 2026), PP moved by +1.5 points. In our average that day, PP stood at 32.6 %.

Pollster
Ateneo del Dato
Commissioned by
elDiario.es
Fieldwork
29 Sep-1 Oct
Sample
1,500

Estimate by party

PartyVoteSeatsVs. previousVs. average
PP33.2 %135(+2)+1.5+0.6
PSOE27.5 %106(−1)0.0+1.3
Vox19.2 %67(−1)+0.8+0.4
Sumar7.0 %12(+3)+1.4+0.9
Podemos3.3 %2−0.5−0.1

Vs. previous: change in points from the same pollster's poll of April 26, 2026. Vs. average: difference from our weighted average of October 1, 2026.

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

How to cite: Su Momento, “Ateneo del Dato for elDiario.es poll of October 1, 2026”, October 1, 2026, https://sumomento.com/en/encuestas/ateneo-del-dato-2026-10-01