C
Pollster
Centro de Investigaciones Sociológicas (CIS)
Quality grade B
Spain's public Centre for Sociological Research. Pollster estimates must be distinguished from direct voting intention. The default plugin quality setting is not an independently assessed Votendi rating.
Published data
Recent polls
| Pollster | Dates | Sample | Method | |
|---|---|---|---|---|
| Centro de Investigaciones Sociológicas (CIS)CIS — Preelectoral 3584 — Congress of Deputies — 12 November 2026 | 7 Oct–30 Oct 2026 | 45,074 | Phone | → |