In the run up to the 2023 Spanish general election, various organisations carried out opinion polling to gauge voting intention in autonomous communities and constituencies in Spain during the term of the 14th Cortes Generales. Results of such polls are displayed in this article. The date range for these opinion polls is from the previous general election, held on 10 November 2019, to the day the next election was held, on 23 July 2023.

Voting intention estimates refer mainly to a hypothetical Congress of Deputies election. Polls are listed in reverse chronological order, showing the most recent first and using the dates when the survey fieldwork was done, as opposed to the date of publication. Where the fieldwork dates are unknown, the date of publication is given instead. The highest percentage figure in each polling survey is displayed with its background shaded in the leading party's colour. If a tie ensues, this is applied to the figures with the highest percentages. The "Lead" columns on the right shows the percentage-point difference between the parties with the highest percentages in a given poll.

Refusals are generally excluded from the party vote percentages, while question wording and the treatment of "don't know" responses and those not intending to vote may vary between polling organisations. When available, seat projections are displayed below the percentages in a smaller font.

Autonomous communities Andalusia Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 general election 23 Jul 2023 66.6 33.5 36.4 15.3 – 0.2 12.0 2.9 Sigma Dos/El Mundo 3–8 Jul 2023????? – –?? Sondaxe/La Voz de Galicia 3–7 Jul 2023????? – –?? GAD3/ABC 29 Jun–7 Jul 2023????? – –?? CIS 8–27 Jun 2023 5,016???? – –?? 2022 regional election 19 Jun 2022 55.9 24.1 43.1 13.5 7.7 3.3 4.6 – 19.0 Ágora Integral/Canarias Ahora 5–9 May 2022 500? 28.9 25.6 22.9 13.9 3.6 2.2 – – 3.3 November 2019 general election 10 Nov 2019 65.9 33.4 20.5 20.4 13.1 8.1 1.3 – – 12.9

Aragon Polling firm/Commissioner Fieldwork date Sample size Turnout Existe Lead 2023 general election 23 Jul 2023 70.7 31.1 36.3 14.6 – 2.9 12.3 5.2 Sigma Dos/El Mundo 3–8 Jul 2023????? – ? ?? Sondaxe/La Voz de Galicia 3–7 Jul 2023????? – ? ?? GAD3/ABC 29 Jun–7 Jul 2023????? – ? ?? CIS 8–27 Jun 2023 1,257???? – ? ?? 2023 regional election 28 May 2023 66.5 29.6 35.5 11.2 – 1.3 5.1 5.0 4.0 3.1 – 5.9 November 2019 general election 10 Nov 2019 69.3 30.7 23.9 17.0 10.8 8.6 3.3 2.8 – 6.8

Asturias Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 general election 23 Jul 2023 62.9 34.3 35.6 12.5 – 14.8 1.3 Sigma Dos/El Mundo 3–8 Jul 2023???? ? – ?? Sondaxe/La Voz de Galicia 3–7 Jul 2023???? ? – ?? GAD3/ABC 29 Jun–7 Jul 2023???? ? – ?? CIS 8–27 Jun 2023 616??? ? – ? Tie 2023 regional election 28 May 2023 56.8 36.5 32.6 – 10.1 0.9 3.9 7.6 – 3.9 SyM Consulting 27–31 Dec 2020 1,276 64.7 30.3 23.9 13.9 20.5 6.5 – 6.4 November 2019 general election 10 Nov 2019 58.1 33.3 23.2 16.0 15.9 6.7 – 10.1

Balearic Islands Polling firm/Commissioner Fieldwork date Sample size Turnout AraMés Lead 2023 general election 23 Jul 2023 61.3 30.2 35.6 15.2 – 16.6 5.4 IBES/Última Hora 10–14 Jul 2023 800? 27.3 38.1 15.9 – 14.8 10.8 Sigma Dos/El Mundo 3–8 Jul 2023???? ? – ?? Sondaxe/La Voz de Galicia 3–7 Jul 2023???? ? – ?? GAD3/ABC 29 Jun–7 Jul 2023???? ? – ?? CIS 8–27 Jun 2023 619??? ? – ? Tie NC Report/Mallorca Diario 10–15 Jun 2023 800? 27.4 38.9 15.6 – 15.1 11.5 2023 regional election 28 May 2023 55.1 26.5 35.8 4.4 13.9 1.4 10.1 – – 9.3 PP 18 May 2020?? 23.0–25.0 27.0–28.0 15.0–17.0 15.0–17.0 – – 1.0–2.0 – 3.0–4.0 November 2019 general election 10 Nov 2019 56.8 25.4 22.8 18.1 17.1 7.4 4.0 2.3 – 2.6

Basque Country Polling firm/Commissioner Fieldwork date Sample size Turnout PNV Lead 2023 general election 23 Jul 2023 65.1 24.0 25.3 23.9 11.6 2.6 – 11.1 1.3 Gizaker/EITB 28 Jun–11 Jul 2023 2,400 60.9 28.0 23.1 24.7 10.3 1.9 – 10.6 3.3 Sigma Dos/El Mundo 3–8 Jul 2023????? ?? –?? Sondaxe/La Voz de Galicia 3–7 Jul 2023????? ?? –? Tie GAD3/ABC 29 Jun–7 Jul 2023????? ?? –? Tie CIS 8–27 Jun 2023 1,496???? ?? –?? Ikerfel/GPS 20–23 Jun 2023 1,453 60.7 25.9 23.1 25.3 10.9 3.1 – 9.2 0.6 2023 foral elections 28 May 2023 60.0 34.5 16.2 28.8 7.0 8.9 1.5 – – 5.7 November 2019 general election 10 Nov 2019 66.4 32.0 19.2 18.7 15.4 8.8 2.4 1.1 – 12.8

Canary Islands

Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 general election 23 Jul 2023 58.2 33.3 30.4 – 7.6 – 11.4 4.5 10.5 2.9 Ágora Integral/Canarias Ahora 18–22 Jul 2023???? –? – ???? Ágora Integral/Canarias Ahora 11–15 Jul 2023 1,425? 28.1 33.4 – 6.4 – 12.5 5.1 11.3 5.3 Perfiles/La Provincia 12–14 Jul 2023 1,420??? –? – ???? Sigma Dos/El Mundo 3–8 Jul 2023???? –? – ???? Sondaxe/La Voz de Galicia 3–7 Jul 2023???? –? – ??? Tie GAD3/ABC 29 Jun–7 Jul 2023???? –? – ??? Tie CIS 8–27 Jun 2023 1,093??? –? – ???? 2023 regional election 28 May 2023 52.0 27.2 19.3 3.9 – 7.9 0.4 0.2 22.1 7.9 – 5.1 Ágora Integral/Canarias Ahora 5–9 May 2022 400? 24.9 25.4 14.0 13.0 16.8 1.2 1.8 – 0.5 Ágora Integral/Canarias Ahora 23–27 Sep 2021 1,000 53.2 28.6 25.4 14.1 11.5 13.4 – – – 3.2 November 2019 general election 10 Nov 2019 55.4 28.9 20.8 14.7 13.1 12.5 5.4 1.6 – 9.1

Cantabria Polling firm/Commissioner Fieldwork date Sample size Turnout PRC Lead 2023 general election 23 Jul 2023 69.9 42.1 33.3 – 14.1 – 8.5 8.8 Sigma Dos/El Mundo 3–8 Jul 2023???? –? – ?? Sondaxe/La Voz de Galicia 3–7 Jul 2023???? –? – ?? GAD3/ABC 29 Jun–7 Jul 2023???? –? – ?? CIS 8–27 Jun 2023 430??? –? – ? Tie 2023 regional election 28 May 2023 65.3 35.8 20.6 20.8 11.1 4.1 2.3 – 15.0 November 2019 general election 10 Nov 2019 65.7 25.9 23.2 21.0 14.9 8.7 4.8 – 2.7

Castile and León Polling firm/Commissioner Fieldwork date Sample size Turnout UPL Lead 2023 general election 23 Jul 2023 69.4 41.5 32.3 13.8 – 1.6 0.7 7.0 9.2 Sigma Dos/El Mundo 3–8 Jul 2023????? –???? Sondaxe/La Voz de Galicia 3–7 Jul 2023????? –???? GAD3/ABC 29 Jun–7 Jul 2023????? –???? CIS 8–27 Jun 2023 3,387???? –???? 2022 regional election 13 Feb 2022 58.8 31.4 30.0 17.6 5.1 4.5 4.3 1.6 – 1.4 Sigma Dos/RTVCyL 29 Nov–21 Dec 2021 4,000? 34.6 32.4 14.5 8.9 3.6 – – – 2.2 Sigma Dos/RTVCyL 11–15 Jun 2021 1,200? 42.2 29.1 13.9 7.3 3.4 – – – 13.1 GAD3/El Norte de Castilla 22–31 May 2021 1,000? 43.9 31.3 14.9 – – – – – 12.6 Sigma Dos/RTVCyL 2–9 Dec 2020 3,300? 36.2 30.6 15.4 7.3 6.8 – – – 5.6 Sigma Dos/RTVCyL 14–19 May 2020 1,200? 34.8 32.1 11.7 9.2 7.3 – – – 2.7 November 2019 general election 10 Nov 2019 66.6 31.6 31.3 16.6 9.3 7.6 0.7 – – 0.3

Castilla–La Mancha Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 general election 23 Jul 2023 73.0 34.2 38.9 17.8 – 7.4 4.7 Sigma Dos/El Mundo 3–8 Jul 2023????? –?? Sondaxe/La Voz de Galicia 3–7 Jul 2023????? –?? GAD3/ABC 29 Jun–7 Jul 2023????? –?? CIS 8–27 Jun 2023 3,387???? –?? 2023 regional election 28 May 2023 69.6 45.0 33.7 12.8 4.2 1.0 – 11.3 November 2019 general election 10 Nov 2019 70.1 33.1 26.9 21.9 9.2 6.8 – 6.2

Catalonia

Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 general election 23 Jul 2023 62.7 13.2 34.5 – 13.3 2.8 7.8 – 11.2 0.9 14.0 20.5 Sigma Dos/CCMA 6–22 Jul 2023?? 18.7 22.7 – 16.8 4.7 6.7 – 15.9 – 13.6 4.0 Sigma Dos/El Mundo 3–8 Jul 2023???? –??? – ? –?? Sondaxe/La Voz de Galicia 3–7 Jul 2023???? –??? – ? –?? GAD3/ABC 29 Jun–7 Jul 2023???? –??? – ? –?? Opinòmetre/Ara 27 Jun–4 Jul 2023 502? 16.1 27.8 – 13.3 5.5 7.9 – 13.9 – 13.4 11.7 CIS 8–27 Jun 2023 3,380??? –??? – ? –?? GESOP/CEO 29 May–26 Jun 2023 2,000? 15.0–18.0 29.0–33.0 – 12.0–16.0 4.0–6.0 6.0–8.0 – 12.0–15.0 – 7.0–10.0 14.0–15.0 GESOP/CEO 27 Feb–24 Mar 2023 2,000? 19.0–23.0 23.0–27.0 12.0–15.0 – 8.0–10.0 6.0–8.0 6.0–9.0 2.0–4.0 – 9.0–12.0 – – 4.0 Metroscopia/Periodismo 2030 29 Nov–19 Dec 2022 823????????? – – – –? GESOP/CEO 27 Sep–21 Oct 2022 2,000? 16.0–20.0 22.0–25.0 11.0–13.0 – 11.0–14.0 6.0–8.0 6.0–8.0 2.0–4.0 – 10.0–13.0 – – 5.0–6.0 GESOP/CEO 7 Jun–7 Jul 2022 2,000? 18.0–22.0 23.0–27.0 10.0–13.0 – 9.0–12.0 6.0–8.0 5.0–7.0 3.0–5.0 – 10.0–13.0 – – 5.0 Ágora Integral/Canarias Ahora 5–9 May 2022 500? 24.1 19.4 14.1 – 8.7 6.5 7.1 4.1 1.2 13.2 – – 4.7 GESOP/CEO 1–28 Mar 2022 2,000? 20.0–24.0 22.0–27.0 11.0–15.0 – 6.0–10.0 6.0–9.0 6.0–11.0 1.0–3.0 – 10.0–14.0 – – 2.0–3.0 GAD3/La Vanguardia 20–22 Sep 2021 806? 22.6 21.9 13.5 – 9.6 5.6 7.0 3.2 – 12.7 – – 0.7 Opinòmetre/CEO 11–19 May 2021 1,200 68 22.3 21.8 10.9 – 9.8 7.7 8.1 2.1 – 14.2 – – 0.5 2021 regional election 14 Feb 2021 51.3 21.3 23.0 6.9 – 3.8 6.7 7.7 5.6 – 20.1 2.7 – 1.7 GESOP/CEO 13 Oct–7 Nov 2020 2,000 68 23.9 21.7 12.5 – 8.4 5.3 6.7 4.6 – 12.2 1.5 – 2.2 GESOP/CEO 29 Sep–9 Oct 2020 1,500 68 22.7 21.9 12.9 13.7 8.0 4.7 7.1 4.7 – – – – 0.8 GESOP/CEO 25 Jun–21 Jul 2020 2,000 68 22.1 21.5 14.3 13.4 7.8 5.9 6.6 5.0 – – – – 0.6 GESOP/CEO 10 Feb–9 Mar 2020 2,000 68 22.9 21.7 14.6 12.7 8.6 5.8 6.8 3.3 – – – – 1.2 GESOP/CEO 14 Nov–5 Dec 2019 1,500 68 23.2 19.6 14.3 13.8 8.1 7.2 6.8 3.7 – – – – 3.6 November 2019 general election 10 Nov 2019 69.4 22.6 20.5 14.2 13.7 7.4 6.4 6.3 5.6 1.1 – – – 2.1

Extremadura Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 general election 23 Jul 2023 71.7 39.1 37.9 13.6 – 6.9 1.2 Sigma Dos/El Mundo 3–8 Jul 2023????? –? Tie Sondaxe/La Voz de Galicia 3–7 Jul 2023????? –? Tie GAD3/ABC 29 Jun–7 Jul 2023????? –?? CIS 8–27 Jun 2023 987???? –?? 2023 regional election 28 May 2023 70.4 39.9 38.8 8.1 6.0 0.9 – 1.1 GAD3/PP 26–31 Oct 2022 802? 34.9 40.7 13.5 6.0 2.0 – 5.8 November 2019 general election 10 Nov 2019 67.2 38.3 26.0 16.8 9.1 7.6 – 12.3

Galicia

Polling firm/Commissioner Fieldwork date Sample size Turnout EC Lead 2023 general election 23 Jul 2023 61.4 43.6 29.8 9.4 4.9 – 10.9 13.8 Sondaxe/La Voz de Galicia 18–22 Jul 2023???? ? – –?? Sigma Dos/El Mundo 3–8 Jul 2023???? ? – –?? Sondaxe/La Voz de Galicia 3–7 Jul 2023?? 39.1 30.7 10.9 – – 10.7 8.4 GAD3/ABC 29 Jun–7 Jul 2023???? ? – –?? CIS 8–27 Jun 2023 2,181??? ? – –?? Sondaxe/La Voz de Galicia 13–21 Jun 2023 1,223? 40.2 26.0 10.5 – – 13.2 14.2 Sondaxe/La Voz de Galicia 6–19 Oct 2022 1,223 62.0 37.4 25.5 7.5 11.2 – – 5.7 11.9 Sondaxe/La Voz de Galicia 16–24 May 2022 1,000? 37.6 26.9 10.0 12.4 6.4 2.0 – 10.7 Sondaxe/La Voz de Galicia 14–21 Oct 2021 1,223? 33.9 28.1 10.8 12.4 – – – 5.8 Sondaxe/La Voz de Galicia 16–23 Jun 2021 1,223? 33.6 28.0 10.8 13.0 – – – 5.6 Sondaxe/La Voz de Galicia 21 Jan–2 Feb 2021 1,223????? – – –? Sondaxe/La Voz de Galicia 1–7 Oct 2020 1,223? 33.9 28.2 10.3 12.3 – – – 5.7 2020 regional election 12 Jul 2020 49.0 48.0 19.4 3.9 23.8 2.0 0.8 – 24.2 Sondaxe/La Voz de Galicia 15–22 Jan 2020 1,223? 32.0 30.2 12.6 9.6 7.6 3.1 – 1.8 November 2019 general election 10 Nov 2019 55.9 31.9 31.3 12.7 8.1 7.8 4.4 – 0.6

Madrid Polling firm/Commissioner Fieldwork date Sample size Turnout Lead 2023 general election 23 Jul 2023 69.7 27.8 40.5 14.0 – 15.5 12.7 Sigma Dos/El Mundo 3–8 Jul 2023????? – ?? Sondaxe/La Voz de Galicia 3–7 Jul 2023????? – ?? GAD3/ABC 29 Jun–7 Jul 2023????? – ?? YouGov 29 Jun–6 Jul 2023?? 28.0 37.0 16.0 – 17.0 9.0 CIS 8–27 Jun 2023 2,587???? – ?? 2023 regional election 28 May 2023 65.5 18.2 47.3 7.3 4.8 1.6 18.4 – 28.9 GAD3/Community of Madrid 12–14 Dec 2022 1,003? 25.1 42.4 14.5 9.5 2.0 4.7 – 17.3 Ágora Integral/Canarias Ahora 5–9 May 2022 500? 22.7 30.2 22.6 13.8 3.4 5.9 – 7.5 Ágora Integral/Canarias Ahora 1–5 Dec 2021 500 68.3 22.1 29.8 21.5 13.0 4.7 7.4 – 7.7 IMOP/El Confidencial 10–11 Nov 2021 710? 22.9 32.8 19.8 10.4 3.9 7.5 – 9.9 2021 regional election 4 May 2021 71.3 16.8 44.7 9.1 7.2 3.6 17.0 – 27.7 GAD3/ABC 18 May–5 Jun 2020???????? –? November 2019 general election 10 Nov 2019 70.6 26.9 24.9 18.3 13.0 9.1 5.7 – 2.0

Murcia