In the run up to the next Spanish general election, various organisations carry out opinion polling to gauge the opinions that voters hold towards political leaders. Results of such polls are displayed in this article. The date range for these opinion polls is from the previous general election, held on 23 July 2023, to the present day.

Preferred prime minister The tables below list opinion polling on leader preferences to become prime minister.

All candidates Polling firm/Commissioner Fieldwork date Sample size Other/None/Notcare Lead SocioMétrica/El Español 24–26 Sep 2026 1,200 21.6 – 19.8 12.3 7.8 – 2.7 2.5 – 33.5 – 1.8 CIS 4–10 Sep 2026 6,038 12.0 1.2 22.2 9.7 0.9 0.4 – 1.1 4.2 26.2 22.2 10.2 CIS 1–4 Sep 2026 4,042 13.2 1.7 25.0 9.8 1.3 0.7 0.4 1.4 4.6 28.7 13.2 11.8 More in Common 24–28 Aug 2026 2,144 17.7 – 20.4 16.3 4.3 1.9 – – 11.5 19.9 8.0 2.7 SocioMétrica/El Español 5–6 Aug 2026 1,690 22.9 – 19.5 11.9 8.3 – 2.5 2.2 – 32.7 – 3.4 CIS 13–21 Jul 2026 6,029 12.9 2.4 28.6 8.2 1.9 0.5 – 0.9 3.8 26.0 14.9 15.7 GESOP/Prensa Ibérica 6–9 Jul 2026 1,001 16.0 – 25.2 11.2 7.9 4.7 – – – 30.5 4.5 9.2 CIS 1–6 Jul 2026 4,020 13.9 2.6 26.7 9.2 2.1 0.7 – 1.6 4.6 26.3 12.4 12.8 SocioMétrica/El Español 2–4 Jul 2026 1,416 20.5 – 19.0 12.4 8.1 – 2.5 2.6 – 34.9 – 1.5 More in Common 24–28 Jun 2026 2,277 18.0 – 18.9 15.9 5.8 1.8 – – 12.7 18.9 8.0 0.9 CIS 9–12 Jun 2026 4,027 11.8 3.7 23.8 10.5 2.3 0.8 – 1.4 6.4 29.0 10.2 12.0 CIS 1–4 Jun 2026 4,024 13.4 2.9 25.0 9.5 2.2 0.8 – 1.2 5.0 27.6 12.4 11.6 SocioMétrica/El Español 28–30 May 2026 1,200 19.6 – 20.8 13.4 7.6 – 3.0 2.8 – 32.8 – 1.2 CIS 4–19 May 2026 3,493 9.0 3.3 23.5 7.4 2.2 0.8 – 1.5 4.2 32.1 16.0 14.5 CIS 4–18 May 2026 4,016 13.8 2.8 29.4 9.3 2.5 0.6 0.4 1.4 4.4 24.5 10.9 15.6 CIS 22–30 Apr 2026 6,001 11.6 4.0 29.5 8.2 3.0 1.0 0.3 1.3 5.6 23.4 12.2 17.9 More in Common 21–25 Apr 2026 2,547 18.7 – 22.3 15.2 4.3 1.9 – – 11.6 18.1 7.9 3.6 SocioMétrica/El Español 15–18 Apr 2026 1,712 17.6 – 22.1 14.2 8.1 – 2.8 2.1 – 33.1 – 4.5 CIS 6–10 Apr 2026 4,020 9.9 2.7 31.3 7.4 2.5 0.6 0.3 1.0 4.2 28.1 11.9 21.4 SocioMétrica/El Español 19–21 Mar 2026 1,100 18.6 – 19.0 14.0 8.0 – 2.8 2.5 – 35.1 – 0.4 CIS 5–12 Mar 2026 4,009 8.3 3.7 26.7 8.1 2.8 0.7 – 0.9 6.0 25.0 17.8 18.4 CIS 2–6 Mar 2026 4,016 9.9 2.9 25.7 9.4 3.0 0.6 – 1.3 5.8 28.9 12.7 15.1 CIS 20–27 Feb 2026 5,015 9.8 1.7 20.6 10.8 3.4 0.7 – 1.5 6.3 29.1 16.2 9.8 SocioMétrica/El Español 11–13 Feb 2026 1,200 18.5 – 18.9 14.2 8.4 – 2.8 2.8 – 34.5 – 0.4 CIS 2–6 Feb 2026 4,027 9.9 3.4 25.3 10.2 3.1 0.8 – 1.6 4.2 30.6 10.9 15.1 CIS 22–30 Jan 2026 5,007 7.5 2.7 21.4 8.5 3.7 0.7 0.6 0.8 4.2 30.8 19.2 12.9 GESOP/Prensa Ibérica 12–15 Jan 2026 1,002 17.0 – 22.9 11.8 10.4 4.0 – – – 26.1 7.8 5.9 SocioMétrica/El Español 7–10 Jan 2026 1,300 19.3 – 17.9 14.6 10.5 3.3 – 3.0 – 31.4 – 1.4 CIS 5–10 Jan 2026 4,006 9.7 3.8 24.5 10.4 3.1 0.6 0.3 1.3 4.2 31.3 10.7 14.1 CIS 18–23 Dec 2025 3,022 11.0 3.2 23.4 11.3 3.3 0.6 – 1.1 4.3 28.3 13.4 12.1 SocioMétrica/El Español 5–7 Dec 2025 1,100 20.1 – 18.1 13.3 9.4 2.9 – 2.2 – 34.0 – 2.0 CIS 1–5 Dec 2025 4,017 10.6 2.6 23.4 9.6 4.2 0.7 0.3 1.6 5.2 29.2 12.6 13.5 40dB/Prisa 27 Nov–1 Dec 2025 2,500 16.7 – 22.7 20.2 8.6 4.0 – – – 22.7 5.0 2.5 CIS 3–12 Nov 2025 4,028 8.9 2.9 24.5 11.0 3.8 0.7 0.3 0.4 3.6 32.0 11.9 13.5 SocioMétrica/El Español 6–8 Nov 2025 1,100 20.8 – 17.5 12.7 9.7 – 2.1 2.2 – 35.0 – 3.3 SocioMétrica/El Español 6–10 Oct 2025 900 20.1 – 17.1 12.6 9.7 – 2.2 2.3 – 36.0 – 3.0 GESOP/Prensa Ibérica 3–9 Oct 2025 1,000 14.4 – 22.3 13.0 7.9 3.0 – – 5.9 27.3 6.2 7.9 CIS 1–7 Oct 2025 4,029 8.4 3.0 26.4 10.0 4.4 0.9 0.5 0.8 2.7 32.1 10.7 16.4 Opina 360/Antena 3 25–30 Sep 2025 1,203 19.2 0.8 25.3 15.6 12.1 0.6 – 0.5 2.0 23.2 0.8 6.1 CIS 1–6 Sep 2025 4,122 9.7 3.2 24.8 10.8 4.8 1.0 0.6 1.1 2.0 28.9 13.0 14.0 CIS 28–31 Jul 2025 2,896 11.1 2.5 25.2 9.3 4.2 0.6 0.5 0.7 2.2 26.0 17.5 14.1 SocioMétrica/El Español 26–29 Aug 2025 1,100 20.8 – 15.2 12.0 9.6 – 3.8 3.4 – 35.2 – 5.6 SocioMétrica/El Español 21–24 Jul 2025 1,100 22.1 – 15.4 11.5 10.5 – 3.7 2.9 – 34.1 – 6.7 CIS 1–7 Jul 2025 4,018 11.4 5.7 22.5 11.3 3.6 1.0 0.5 1.3 1.7 30.2 10.9 11.1 SocioMétrica/El Español 18–21 Jun 2025 1,150 21.0 – 18.8 12.0 11.3 – 2.5 2.2 – 32.2 – 2.2 CIS 12–19 Jun 2025 4,004 9.2 3.3 21.8 9.5 4.2 1.0 0.5 1.1 0.5 31.7 17.3 12.3 GESOP/Prensa Ibérica 10–12 Jun 2025 1,002 18.2 – 23.8 11.6 8.9 3.8 – – – 27.4 6.3 5.6 CIS 8 May–12 Jun 2025 15,017 12.1 6.7 23.7 7.8 4.9 1.0 0.5 0.9 1.1 26.7 14.7 11.6 CIS 2–7 Jun 2025 4,013 10.0 5.4 25.8 6.4 3.8 0.8 0.5 0.7 0.6 31.9 14.0 15.8 40dB/Prisa 23–26 May 2025 2,000 16.6 – 24.6 17.1 8.7 – – – – 25.4 7.6 7.5 SocioMétrica/El Español 19–22 May 2025 1,812 18.7 – 20.2 12.3 8.3 – 2.6 2.6 – 35.3 – 1.5 CIS 5–8 May 2025 4,018 10.2 6.4 25.4 7.4 3.7 0.9 0.5 1.1 – 31.8 12.7 15.2 SocioMétrica/El Español 21–25 Apr 2025 1,000 18.1 – 19.7 11.3 7.6 – 2.8 2.4 – 38.1 – 1.6 CIS 1–8 Apr 2025 4,009 9.8 6.3 24.7 7.9 3.6 0.7 0.9 1.0 0.8 31.5 12.9 14.9 SocioMétrica/El Español 19–21 Mar 2025 1,903 18.1 – 19.2 9.5 8.2 – 2.6 2.5 – 39.9 – 1.1 CIS 28 Feb–7 Mar 2025 4,018 11.0 5.4 27.1 6.9 3.4 0.3 0.5 1.2 0.6 30.3 13.3 16.1 GESOP/Prensa Ibérica 3–6 Mar 2025 1,000 19.5 – 24.6 10.7 11.4 – – – – 28.7 5.1 5.1 SocioMétrica/El Español 12–14 Feb 2025 1,812 18.8 – 18.4 10.0 9.7 – 3.3 2.6 – 37.2 – 0.4 CIS 31 Jan–6 Feb 2025 4,042 9.7 6.0 25.8 7.1 4.3 0.7 0.9 1.1 0.4 32.0 11.9 16.1 CIS 10–16 Jan 2025 5,006 10.3 5.9 23.9 6.2 4.7 0.5 0.3 1.2 – 28.7 18.2 13.6 CIS 2–9 Jan 2025 4,024 9.9 5.1 23.7 6.7 3.9 0.9 – 1.2 – 35.7 13.0 13.8 SocioMétrica/El Español 26–30 Dec 2024 2,953 18.9 – 18.5 9.8 10.6 – – 3.0 – 39.3 – 0.4 CIS 2–9 Dec 2024 4,621 10.3 6.3 23.6 5.5 3.7 0.6 – 1.3 – 34.4 14.2 13.3 GESOP/Prensa Ibérica 2–4 Dec 2024 1,001 18.3 – 24.1 10.3 13.9 – – – – 28.0 5.4 5.8 SocioMétrica/El Español 22–24 Nov 2024 1,227 20.4 – 17.9 9.9 11.5 – – 2.7 – 40.3 – 2.5 CIS 2–7 Nov 2024 4,010 8.6 4.4 22.1 6.9 3.8 0.8 – 1.1 – 39.7 12.5 13.5 SocioMétrica/El Español 16–18 Oct 2024 2,240 21.1 – 22.0 9.8 11.5 – – 3.0 – 35.6 – 0.9 CIS 1–11 Oct 2024 4,005 13.3 5.0 24.3 6.6 4.2 0.6 – 1.4 – 32.3 12.3 11.0 GESOP/Prensa Ibérica 23–26 Sep 2024 1,004 21.7 – 25.6 9.8 15.4 – – – – 22.7 3.8 3.9 CIS 2–6 Sep 2024 4,027 12.1 4.5 24.8 6.3 4.8 0.6 – 1.2 – 29.0 16.5 12.7 SocioMétrica/El Español 26–31 Aug 2024 2,310 19.9 – 23.5 10.6 11.8 – – 4.0 – 34.2 – 3.6 SocioMétrica/El Español 18–20 Jul 2024 1,200 20.7 – 22.4 10.9 10.9 – – 4.1 – 35.1 – 1.7 CIS 1–4 Jul 2024 4,007 13.5 3.7 26.5 6.8 4.7 1.5 – 1.0 – 31.0 11.2 13.0 CIS 17–21 Jun 2024 3,010 18.4 7.0 25.5 8.1 7.4 1.3 – 3.1 – 18.3 10.8 7.1 CIS 6–11 Jun 2024 4,006 11.8 3.2 25.7 5.6 6.0 0.9 0.5 1.1 – 26.2 19.1 13.9 CIS 31 May–6 Jun 2024 4,011 13.6 3.2 27.4 6.5 5.8 – – – – 31.1 12.3 13.8 GESOP/Prensa Ibérica 27–31 May 2024 1,013 23.7 – 29.7 7.5 12.9 – – – – 21.9 4.3 6.0 CIS 27–30 May 2024 7,491 21.2 4.8 32.0 9.0 6.6 – – – – 15.9 10.5 10.8 SocioMétrica/El Español 17–19 May 2024 519 22.6 – 25.8 11.7 9.7 – – – – 30.2 – 3.2 CIS 8–17 May 2024 6,434 20.4 6.1 30.2 9.6 7.5 1.0 – – – 15.9 10.4 9.8 CIS 3–8 May 2024 4,013 12.5 5.1 27.8 6.2 5.9 – – – – 30.4 12.1 15.3 SocioMétrica/El Español 30 Apr–4 May 2024 1,279 25.4 – 20.3 11.1 12.2 – – – – 31.0 – 5.1 SocioMétrica/El Español 9–12 Apr 2024 2,550 23.6 – 21.7 11.0 13.8 – – – – 29.9 – 1.9 CIS 1–4 Apr 2024 4,032 16.6 5.6 25.3 6.4 6.5 – – – – 26.6 13.0 8.7 SocioMétrica/El Español 5–9 Mar 2024 2,900 24.0 – 21.6 10.0 14.8 – – – – 29.6 – 2.4 CIS 1–5 Mar 2024 3,931 16.5 5.3 23.3 5.9 6.3 – – – – 30.3 12.4 6.8 GESOP/Prensa Ibérica 19–21 Feb 2024 1,004 27.7 – 24.9 6.7 13.9 – – – – 21.8 5.0 2.8 SocioMétrica/El Español 5–9 Feb 2024 2,900 28.0 – 26.4 10.6 14.6 – – – – 20.4 – 1.6 CIS 1–6 Feb 2024 3,926 17.2 3.5 25.6 5.0 7.2 – – – – 29.7 11.9 8.4 CIS 11–23 Jan 2024 5,973 15.4 4.3 24.6 5.2 7.6 – – – – 28.8 14.2 9.2 SocioMétrica/El Español 25–31 Dec 2023 2,309 28.3 – 26.9 9.9 16.4 – – – – 18.5 – 1.4 CIS 2–5 Jan 2024 4,016 16.5 3.8 30.4 4.0 6.0 – – – – 29.0 10.4 13.9 CIS 11–15 Dec 2023 6,195 19.1 4.4 31.0 5.9 6.5 – – – – 19.4 13.4 11.9 CIS 1–7 Dec 2023 4,613 16.5 5.3 27.9 4.6 8.5 – – – – 27.5 9.8 11.4 SocioMétrica/El Español 20–24 Nov 2023 2,109 29.1 – 27.9 9.9 15.7 – – – – 17.4 – 1.2 CIS 31 Oct–6 Nov 2023 4,090 21.0 4.1 27.7 5.6 6.6 – – – – 23.7 11.3 6.7 SocioMétrica/El Español 25–27 Oct 2023 2,600 29.5 – 27.7 9.5 16.0 – – – – 17.3 – 1.8 CIS 18 Sep–16 Oct 2023 27,433 23.6 4.4 28.8 4.4 11.4 – – – – 18.6 8.8 5.2 CIS 2–6 Oct 2023 4,031 23.5 5.0 29.2 4.5 9.1 – – – – 21.1 9.3 5.7 SocioMétrica/El Español 21–23 Sep 2023 1,429 31.1 – 26.0 9.8 15.4 – – – – 17.7 – 5.1 CIS 1–12 Sep 2023 10,104 20.7 5.0 29.7 4.9 13.8 – – – – 16.5 9.2 9.0

Feijóo vs. Sánchez