CIS 14 Oct 2026 1 Oct 2026 – 6 Oct 2026 5,025 ±1.4 est. (Not published: estimated from sample size (95%, simple random sample)) — PSOE 34.0% +3.0 percentage points PP 22.2% −3.3 percentage points Vox 17.1% +0.5 percentage points Sumar 6.1% +0.4 percentage points Podemos 3.1% −0.6 percentage points ERC 3.0% +0.5 percentage points SALF 1.8% ±0.0 percentage points EH Bildu 1.6% +0.3 percentage points Junts 1.1% +0.4 percentage points BNG 0.9% +0.2 percentage points PNV 0.6% −0.1 percentage points CCa 0.2% ±0.0 percentage points UPN 0.1% ±0.0 percentage points Source for CIS poll (opens in a new tab) SocioMétrica 11 Oct 2026 10 Oct 2026 – 11 Oct 2026 1,000 ±3.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 32.6% −0.8 percentage points PSOE 26.2% −0.3 percentage points Vox 18.8% +0.7 percentage points Sumar 5.8% +0.5 percentage points Podemos 2.8% −0.3 percentage points SALF 2.1% −0.1 percentage points ERC 2.0% −0.2 percentage points Junts 1.5% +0.3 percentage points EH Bildu 1.3% ±0.0 percentage points BNG 0.9% ±0.0 percentage points AA 0.9% new PNV 0.8% −0.2 percentage points CCa 0.5% −0.1 percentage points UPN 0.2% ±0.0 percentage points Source for SocioMétrica poll (opens in a new tab) Sigma Dos 11 Oct 2026 11 Oct 2026 – 11 Oct 2026 — — — PP 31.9% −0.7 percentage points PSOE 25.3% −0.3 percentage points Vox 19.1% +0.8 percentage points Sumar 7.6% +1.0 percentage points Podemos 3.1% −0.2 percentage points ERC 2.6% +0.1 percentage points Junts 1.2% +0.1 percentage points EH Bildu 1.1% −0.2 percentage points BNG 0.9% ±0.0 percentage points PNV 0.9% −0.1 percentage points AA 0.8% ±0.0 percentage points CCa 0.5% ±0.0 percentage points UPN 0.2% ±0.0 percentage points Source for Sigma Dos poll (opens in a new tab) GAD3 12 Oct 2026 6 Oct 2026 – 8 Oct 2026 1,077 ±3.0 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 31.4% +0.3 percentage points PSOE 26.4% +0.3 percentage points Vox 18.2% −1.0 percentage points Sumar 7.4% +0.4 percentage points ERC 2.6% +0.3 percentage points Podemos 2.3% −0.8 percentage points SALF 1.8% +0.3 percentage points Junts 1.5% +0.3 percentage points EH Bildu 1.5% ±0.0 percentage points AA 1.0% ±0.0 percentage points PNV 1.0% +0.1 percentage points BNG 0.9% ±0.0 percentage points CCa 0.4% +0.1 percentage points UPN 0.1% −0.1 percentage points Source for GAD3 poll (opens in a new tab) GESOP 12 Oct 2026 6 Oct 2026 – 8 Oct 2026 1,000 ±3.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 28.7% −0.7 percentage points PSOE 26.1% −0.4 percentage points Vox 18.9% +1.1 percentage points Sumar 8.0% +0.3 percentage points Podemos 2.6% −1.4 percentage points ERC 2.5% +0.2 percentage points SALF 2.0% ±0.0 percentage points Junts 1.9% +0.9 percentage points Source for GESOP poll (opens in a new tab) EM-Analytics 11 Oct 2026 5 Oct 2026 – 9 Oct 2026 4,125 ±1.5 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 31.5% +0.2 percentage points PSOE 26.9% ±0.0 percentage points Vox 19.1% −0.3 percentage points Sumar 6.0% −0.3 percentage points Podemos 3.4% ±0.0 percentage points ERC 2.0% ±0.0 percentage points SALF 1.7% ±0.0 percentage points EH Bildu 1.4% ±0.0 percentage points AA 1.1% ±0.0 percentage points Junts 1.1% ±0.0 percentage points PNV 1.1% ±0.0 percentage points BNG 1.0% ±0.0 percentage points CCa 0.3% ±0.0 percentage points UPN 0.2% ±0.0 percentage points Source for EM-Analytics poll (opens in a new tab) Target Point 11 Oct 2026 6 Oct 2026 – 9 Oct 2026 1,002 ±3.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 32.0% +0.5 percentage points PSOE 25.9% +0.3 percentage points Vox 18.7% −0.2 percentage points Sumar 6.9% ±0.0 percentage points Podemos 3.4% +0.6 percentage points SALF 1.3% −1.2 percentage points Source for Target Point poll (opens in a new tab) Hamalgama Métrica 11 Oct 2026 5 Oct 2026 – 8 Oct 2026 1,000 ±3.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 33.4% −0.2 percentage points PSOE 25.3% +0.2 percentage points Vox 19.6% +0.3 percentage points Sumar 5.4% −0.2 percentage points Podemos 3.3% −0.5 percentage points ERC 1.9% ±0.0 percentage points Junts 1.7% +0.3 percentage points EH Bildu 1.3% ±0.0 percentage points PNV 0.9% ±0.0 percentage points BNG 0.8% ±0.0 percentage points CCa 0.5% ±0.0 percentage points UPN 0.2% ±0.0 percentage points Source for Hamalgama Métrica poll (opens in a new tab) InvyMark 9 Oct 2026 9 Oct 2026 – 9 Oct 2026 — — — PP 32.8% −0.9 percentage points PSOE 28.0% +1.2 percentage points Vox 18.8% +0.2 percentage points Sumar 6.3% +0.2 percentage points Podemos 3.2% −0.1 percentage points ERC 1.9% new SALF 1.8% ±0.0 percentage points EH Bildu 1.5% new Junts 1.2% new PNV 1.1% new Source for InvyMark poll (opens in a new tab) 40dB 9 Oct 2026 7 Oct 2026 – 8 Oct 2026 800 ±3.5 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 31.9% +0.3 percentage points PSOE 28.1% +0.7 percentage points Vox 18.9% +0.5 percentage points Sumar 5.3% −0.3 percentage points Podemos 2.3% −0.4 percentage points SALF 1.8% −0.2 percentage points Source for 40dB poll (opens in a new tab) DYM 9 Oct 2026 5 Oct 2026 – 7 Oct 2026 1,011 ±3.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 34.0% −0.7 percentage points PSOE 28.2% +1.9 percentage points Vox 18.2% +0.9 percentage points Podemos 3.6% −0.1 percentage points Sumar 3.6% −0.9 percentage points SALF 0.5% −0.5 percentage points Source for DYM poll (opens in a new tab) IMOP 9 Oct 2026 5 Oct 2026 – 7 Oct 2026 900 ±3.3 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 30.4% new PSOE 26.5% new Vox 19.0% new Sumar 7.6% new Podemos 2.3% new ERC 2.2% new SALF 1.9% new EH Bildu 1.3% new BNG 1.1% new Junts 1.1% new AA 1.0% new PNV 0.9% new CCa 0.6% new UPN 0.2% new Source for IMOP poll (opens in a new tab) NC Report 8 Oct 2026 1 Oct 2026 – 6 Oct 2026 1,000 ±3.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 34.1% −0.4 percentage points PSOE 25.0% +0.1 percentage points Vox 18.2% −0.1 percentage points Sumar 5.3% −0.4 percentage points Podemos 3.9% +0.5 percentage points Junts 2.9% +1.3 percentage points ERC 1.8% −0.2 percentage points EH Bildu 1.4% ±0.0 percentage points PNV 0.9% −0.1 percentage points BNG 0.7% −0.1 percentage points CCa 0.4% ±0.0 percentage points UPN 0.2% ±0.0 percentage points Source for NC Report poll (opens in a new tab) Data10 5 Oct 2026 2 Oct 2026 – 2 Oct 2026 1,000 ±3.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 34.0% −0.3 percentage points PSOE 26.1% +0.7 percentage points Vox 18.6% +0.5 percentage points Sumar 5.2% −1.1 percentage points Podemos 4.3% +0.7 percentage points ERC 1.9% −0.1 percentage points Junts 1.5% +0.1 percentage points SALF 1.4% new EH Bildu 1.4% ±0.0 percentage points BNG 1.0% +0.1 percentage points PNV 0.8% −0.1 percentage points AA 0.5% −0.2 percentage points CCa 0.3% −0.2 percentage points UPN 0.2% ±0.0 percentage points Source for Data10 poll (opens in a new tab) Sigma Dos 4 Oct 2026 22 Sept 2026 – 1 Oct 2026 2,116 ±2.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 32.6% −0.5 percentage points PSOE 25.6% +0.2 percentage points Vox 18.3% +0.4 percentage points Sumar 6.6% ±0.0 percentage points Podemos 3.3% +0.5 percentage points ERC 2.5% +0.1 percentage points EH Bildu 1.3% +0.1 percentage points Junts 1.1% ±0.0 percentage points Aliança.cat 1.0% ±0.0 percentage points PNV 1.0% ±0.0 percentage points BNG 0.9% +0.1 percentage points AA 0.8% ±0.0 percentage points CCa 0.5% ±0.0 percentage points UPN 0.2% ±0.0 percentage points Source for Sigma Dos poll (opens in a new tab) Winston 4 Oct 2026 29 Sept 2026 – 1 Oct 2026 1,201 ±2.8 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 31.3% new PSOE 24.9% new Vox 19.1% new Sumar 6.8% new Podemos 3.9% new Source for Winston poll (opens in a new tab) 40dB 5 Oct 2026 25 Sept 2026 – 28 Sept 2026 2,000 ±2.2 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 31.6% −0.8 percentage points PSOE 27.4% −0.2 percentage points Vox 18.4% +0.6 percentage points Sumar 5.6% −0.1 percentage points Podemos 2.7% −0.1 percentage points SALF 2.0% −0.2 percentage points Source for 40dB poll (opens in a new tab) SocioMétrica 4 Oct 2026 1 Oct 2026 – 3 Oct 2026 1,000 ±3.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 33.4% −0.5 percentage points PSOE 26.5% +0.8 percentage points Vox 18.1% +0.1 percentage points Sumar 5.3% −0.4 percentage points Podemos 3.1% −0.2 percentage points ERC 2.2% +0.2 percentage points SALF 2.2% +0.2 percentage points EH Bildu 1.3% −0.1 percentage points Junts 1.2% ±0.0 percentage points PNV 1.0% +0.1 percentage points BNG 0.9% −0.1 percentage points CCa 0.6% ±0.0 percentage points UPN 0.2% ±0.0 percentage points Source for SocioMétrica poll (opens in a new tab) EM-Analytics 4 Oct 2026 2 Oct 2026 – 3 Oct 2026 8,171 ±1.1 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 31.3% −1.0 percentage points PSOE 26.9% +1.6 percentage points Vox 19.4% +0.6 percentage points Sumar 6.3% −0.2 percentage points Podemos 3.4% −0.4 percentage points ERC 2.0% ±0.0 percentage points SALF 1.7% −0.3 percentage points EH Bildu 1.4% ±0.0 percentage points AA 1.1% +0.2 percentage points Junts 1.1% −0.1 percentage points PNV 1.1% ±0.0 percentage points BNG 1.0% +0.1 percentage points CCa 0.3% −0.1 percentage points UPN 0.2% ±0.0 percentage points Source for EM-Analytics poll (opens in a new tab) Ateneo del Dato 3 Oct 2026 29 Sept 2026 – 1 Oct 2026 1,500 ±2.5 est. (Not published: estimated from sample size (95%, simple random sample)) — PP 33.2% +1.5 percentage points PSOE 27.5% ±0.0 percentage points Vox 19.2% +0.8 percentage points Sumar 7.0% +1.4 percentage points Podemos 3.3% −0.5 percentage points Source for Ateneo del Dato poll (opens in a new tab)