Spain, CIS poll:

PSOE-S&D: 34% (+3)
PP-EPP: 22% (-4)
VOX-PfE: 17%
Sumar-LEFT|G/EFA: 6%
Podemos-LEFT: 3% (-1)
ERC-G/EFA: 3%
SALF-NI: 2%
EH Bildu-LEFT: 2% (+1)
Junts-NI: 1%
BNG-G/EFA: 1%
EAJ PNV-RE: 1%
CC-RE: 0%
UPN-*: 0%

+/- vs. 01-04 September 2026

Fieldwork: 01-06 October 2026
Sample size: 5,025

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