Sigma Dos

Sigma Dos / El Mundo — Congress of Deputies — 9 November 2026

30 Oct–6 Nov 2026 · Spain

Voting intention

Results

Sample 4,172
1 Partido Popular
31.0%result
2 Partido Socialista Obrero Español
25.2%result
3 Vox
19.4%result
4 Frente Amplio (2026 poll label)
6.5%result
5 Esquerra Republicana de Catalunya
2.9%result
6 Podemos
1.6%result
7 Adelante Andalucía
1.6%result
8 EH Bildu
1.3%result
9 Junts per Catalunya
1.2%result
10 Front Valencià
1.2%result
11 Bloque Nacionalista Galego
1.0%result
12 Partido Nacionalista Vasco
0.9%result
13 Unidad del Pueblo Canario
0.4%result
14 Coalición Canaria
0.4%result
PollsterSigma Dos
Fieldwork30 Oct–6 Nov 2026
PublishedNov 9, 2026

Notes

Verified against Sigma Dos official 9 November 2026 article and technical sheet. Fieldwork 30 October–6 November, 4,172 CATI/CAWI interviews, adult eligible residents, proportional regional allocation, sex/age quotas, reported error ±2.1pp at 95.5%. Official source confirms PP 31.0 and Frente Amplio 6.5, overriding conflicting aggregator 31.2/8.1. Front Valencià 1.2 and UPC 0.4 are separate estimates. Missing estimates are not zero; unreported remainder not invented. Overlapping fieldwork with previous Sigma Dos waves. Survey key: ES-2026-CONG-SIGMADOS-2026-11-06.