Sigma Dos — Congress of Deputies

Verified from the original Sigma Dos publication. Estimated national vote share; eligible residents aged 18+. CATI and CAWI, region-proportional sample, sex/age quotas. Only explicitly reported percentages imported; omitted categories are missing, not zero, and no residual is invented. Pollster seat estimates: Partido Popular: 132-137; Partido Socialista Obrero Español: 101-106; Vox: 65-68; Frente Amplio (2026 poll label): 9-10; Podemos: 1; Esquerra Republicana de Catalunya: 9; EH Bildu: 6-7; Junts per Catalunya: 6-7; Adelante Andalucía: 1-2; Partido Nacionalista Vasco: 5-6; Bloque Nacionalista Galego: 2; Compromís (2026 poll label): 3-4; Coalición Canaria: 1. Not a Votendi forecast. B grade, if displayed, is a software default, not a Votendi assessment. Frente Amplio and Compromís remain separate survey labels; neither is merged into earlier Sumar. Source describes PP-UPN and ERC-Podemos arrangements; national poll labels do not establish a uniform constituency coalition. Overlapping Sigma Dos fieldwork must be considered before averaging. Full reported vote shares: Partido Popular: 31.5%; Partido Socialista Obrero Español: 25.3%; Vox: 19.5%; Frente Amplio (2026 poll label): 7.2%; Podemos: 2.8%; Esquerra Republicana de Catalunya: 2.5%; EH Bildu: 1.2%; Junts per Catalunya: 1.2%; Adelante Andalucía: 0.8%; Partido Nacionalista Vasco: 0.9%; Bloque Nacionalista Galego: 0.8%; Compromís (2026 poll label): 0.9%; Coalición Canaria: 0.5%. Reviewed 29 October 2026: original Sigma Dos publication, pre-reimport version and current results agree. The prior CSV correction added explanatory notes only; vote shares are unchanged. Restored to Published through native administration with version history preserved. Full poll detail now displays every recorded result.