Opinion polling for the next Portuguese legislative election
In the run up to the next Portuguese legislative election, various organisations carry out opinion polling to gauge voting intention in Portugal. Results of such polls are displayed in this article.
The date range for these opinion polls are from the previous legislative election, held on 6 October 2019, to the present day.
Nationwide polling
Graphical summary
Polling
Poll results are listed in the table below in reverse chronological order, showing the most recent first. The highest percentage figure in each polling survey is displayed in bold, and the background shaded in the leading party's colour. In the instance that there is a tie, then no figure is shaded but both are displayed in bold. The lead column on the right shows the percentage-point difference between the two parties with the highest figures. Poll results use the date the survey's fieldwork was done, as opposed to the date of publication.
| Polling firm/Link | Fieldwork date | Sample size | Turnout | .png.webp){kind=logo} |
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 |
CDU |  |
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 |
 |
O | Lead |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CESOP–UCP | 24 Jan 2021 | 4,637 | ? | 35 | 23 | 8 | 6 | 2 | 2 | 9 | 7 | 1 | 7 | 12 |
| Pitagórica | 7–18 Jan 2021 | 629 | ? | 42.6 | 25.7 | 5.4 | 5.4 | 1.6 | 2.3 | 6.8 | 5.0 | – | 5.4 | 16.9 |
| Aximage | 9–15 Jan 2021 | 1,183 | 53.7 | 39.9 | 26.6 | 7.2 | 5.0 | 0.8 | 3.5 | 7.5 | 3.5 | 0.6 | 5.5 | 13.3 |
| CESOP–UCP | 11–14 Jan 2021 | 2,001 | ? | 39 | 28 | 7 | 6 | 2 | 2 | 8 | 5 | – | 3 | 11 |
| Eurosondagem | 11–14 Jan 2021 | 1,021 | ? | 39.0 | 28.0 | 6.5 | 5.3 | 2.1 | 2.2 | 5.5 | 1.3 | – | 10.1 | 11.0 |
| Pitagórica | 29 Dec 2020–10 Jan 2021 | 629 | ? | 41.4 | 28.0 | 7.1 | 5.1 | 1.2 | 2.2 | 5.9 | 4.1 | – | 5.1 | 13.4 |
| Intercampus | 4–7 Jan 2021 | 603 | ? | 38.0 | 24.1 | 9.1 | 5.7 | 2.3 | 3.6 | 9.1 | 3.8 | 0.2 | 4.1 | 13.9 |
| Pitagórica | 22 Dec 2020–3 Jan 2021 | 629 | ? | 40.9 | 26.3 | 7.3 | 4.1 | 1.4 | 1.8 | 8.4 | 2.8 | 0.2 | 6.9 | 14.6 |
| Pitagórica | 17–27 Dec 2020 | 629 | ? | 39.7 | 27.9 | 5.6 | 4.1 | 2.3 | 1.7 | 9.1 | 3.3 | – | 6.2 | 11.8 |
| Aximage | 19–22 Dec 2020 | 812 | 55.0 | 38.5 | 25.4 | 8.5 | 5.7 | 0.3 | 4.7 | 7.7 | 3.5 | 0.5 | 5.2 | 13.1 |
| Pitagórica | 17–20 Dec 2020 | 629 | ? | 40.3 | 28.5 | 5.5 | 5.3 | 1.8 | 2.2 | 8.4 | 2.4 | – | 5.5 | 11.8 |
| Intercampus | 14–18 Dec 2020 | 603 | ? | 38.0 | 23.6 | 7.3 | 5.4 | 3.2 | 3.4 | 7.7 | 4.5 | 0.9 | 6.0 | 14.4 |
| Pitagórica | 10–13 Dec 2020 | 629 | ? | 41.9 | 26.0 | 6.7 | 5.4 | 1.9 | 2.3 | 8.3 | 1.5 | – | 6.0 | 15.9 |
| CESOP–UCP | 4–11 Dec 2020 | 1,315 | ? | 37 | 30 | 7 | 7 | 3 | 3 | 6 | 5 | – | 2 | 7 |
| Eurosondagem | 7–10 Dec 2020 | 1,020 | ? | 38.8 | 29.4 | 7.2 | 5.3 | 2.5 | 2.0 | 5.2 | 1.1 | – | 8.5 | 9.4 |
| Aximage | 23–26 Nov 2020 | 647 | 58.4 | 37.2 | 23.9 | 7.9 | 5.8 | 1.0 | 6.5 | 7.5 | 2.2 | 0.6 | 7.4 | 13.3 |
| ICS/ISCTE | 11–25 Nov 2020 | 802 | ? | 39 | 25 | 8 | 7 | 2 | 2 | 7 | 1 | – | 9 | 14 |
| Intercampus | 9–16 Nov 2020 | 622 | ? | 37.1 | 24.2 | 7.7 | 4.9 | 4.1 | 5.3 | 7.3 | 3.3 | 1.8 | 4.4 | 12.9 |
| Eurosondagem | 2–5 Nov 2020 | 1,011 | ? | 38.3 | 29.7 | 8.3 | 5.8 | 2.7 | 2.2 | 5.0 | 1.0 | – | 7.0 | 8.6 |
| Aximage | 22–26 Oct 2020 | 694 | 59.1 | 35.5 | 27.0 | 10.0 | 5.7 | 1.2 | 5.2 | 5.4 | 3.2 | 0.4 | 6.4 | 8.5 |
| Intercampus | 6–11 Oct 2020 | 618 | ? | 37.5 | 24.8 | 11.0 | 4.3 | 4.1 | 4.1 | 7.7 | 2.4 | 0.4 | 3.7 | 12.7 |
| Eurosondagem | 5–8 Oct 2020 | 1,010 | ? | 38.8 | 29.0 | 8.1 | 5.5 | 3.3 | 2.0 | 4.8 | 1.3 | – | 7.2 | 9.8 |
| ICS/ISCTE | 14–24 Sep 2020 | 801 | ? | 37 | 27 | 8 | 6 | 2 | 4 | 7 | 2 | – | 6 | 10 |
| Aximage | 12–15 Sep 2020 | 603 | 55.1 | 37.6 | 23.9 | 8.3 | 5.6 | 1.1 | 4.8 | 6.8 | 2.6 | 1.2 | 8.1 | 13.7 |
| Eurosondagem | 7–10 Sep 2020 | 1,022 | ? | 38.5 | 28.2 | 8.3 | 5.8 | 2.5 | 3.3 | 4.5 | 1.0 | – | 7.9 | 10.3 |
| Intercampus | 4–9 Sep 2020 | 614 | ? | 37.4 | 24.3 | 9.9 | 5.1 | 4.3 | 4.1 | 7.4 | 2.1 | 0.4 | 5.0 | 13.1 |
| Intercampus | 6–11 Aug 2020 | 601 | ? | 39.6 | 24.8 | 8.5 | 6.1 | 4.4 | 3.2 | 7.9 | 2.8 | 0.0 | 2.7 | 14.8 |
| CESOP–UCP | 13–18 Jul 2020 | 1,482 | ? | 39 | 26 | 7 | 6 | 3 | 3 | 7 | 3 | – | 6 | 13 |
| Intercampus | 8–13 Jul 2020 | 620 | ? | 39.0 | 23.9 | 10.4 | 6.2 | 4.8 | 3.0 | 6.2 | 2.8 | 0.4 | 3.2 | 15.1 |
| Aximage | 5–8 Jul 2020 | 624 | 55.9 | 40.4 | 26.7 | 8.5 | 6.0 | 2.1 | 2.6 | 5.2 | 2.1 | 0.1 | 6.3 | 13.7 |
| Eurosondagem | 29 Jun–2 Jul 2020 | 1,025 | ? | 38.4 | 29.3 | 8.4 | 6.0 | 2.2 | 2.8 | 4.4 | 1.1 | – | 7.4 | 9.1 |
| Intercampus | 9–13 Jun 2020 | 610 | ? | 40.0 | 24.1 | 9.8 | 6.2 | 4.1 | 3.1 | 6.8 | 1.9 | 0.8 | 3.2 | 15.9 |
| Aximage | 5–8 Jun 2020 | 605 | 59.2 | 39.9 | 25.8 | 8.0 | 4.9 | 1.2 | 4.3 | 5.3 | 1.4 | 0.2 | 9.0 | 14.1 |
| Eurosondagem | 1–4 Jun 2020 | 1,021 | ? | 38.0 | 29.3 | 8.0 | 5.3 | 2.7 | 3.0 | 4.1 | 1.1 | – | 8.5 | 8.7 |
| Pitagórica | 16–24 May 2020 | 802 | ? | 44.8 | 24.1 | 6.1 | 5.8 | 2.8 | 3.3 | 6.4 | 1.6 | – | 5.1 | 20.7 |
| Eurosondagem | 17–20 May 2020 | 2,120 | ? | 37.9 | 30.0 | 8.1 | 5.2 | 3.2 | 2.2 | 4.3 | 1.2 | – | 7.9 | 7.9 |
| Intercampus | 5–9 May 2020 | 620 | ? | 40.3 | 23.3 | 9.0 | 5.9 | 3.6 | 3.6 | 6.8 | 3.2 | 0.7 | 3.6 | 17.0 |
| Eurosondagem | 4–7 May 2020 | 1,005 | ? | 37.7 | 29.4 | 8.3 | 5.5 | 3.0 | 2.5 | 4.0 | 1.2 | – | 8.4 | 8.3 |
| Pitagórica | 15–26 Apr 2020 | 605 | ? | 41.9 | 23.1 | 8.1 | 5.6 | 2.6 | 2.6 | 7.3 | 2.6 | – | 6.2 | 18.8 |
| Intercampus | 9–14 Apr 2020 | 623 | ? | 35.4 | 23.3 | 11.9 | 5.8 | 3.9 | 4.9 | 7.8 | 2.4 | 0.7 | 3.9 | 12.1 |
| Eurosondagem | 29 Mar–2 Apr 2020 | 1,008 | ? | 37.5 | 27.2 | 9.0 | 6.0 | 2.8 | 2.4 | 3.6 | 1.2 | – | 10.3 | 10.3 |
| Pitagórica | 13–21 Mar 2020 | 605 | ? | 41.7 | 25.2 | 8.6 | 5.4 | 2.9 | 3.1 | 8.1 | 2.0 | – | 3.1 | 16.5 |
| Intercampus | 13–19 Mar 2020 | 611 | ? | 31.4 | 21.9 | 14.5 | 6.1 | 3.6 | 5.9 | 8.6 | 2.3 | 0.2 | 5.5 | 9.5 |
| Eurosondagem | 1–5 Mar 2020 | 1,011 | ? | 37.3 | 27.4 | 8.8 | 6.3 | 2.9 | 2.8 | 3.3 | 1.1 | – | 10.1 | 9.9 |
| Aximage | 14–18 Feb 2020 | 839 | 56.1 | 35.1 | 26.1 | 7.7 | 5.4 | 2.1 | 4.1 | 4.3 | 2.5 | 0.7 | 12.0 | 9.0 |
| Intercampus | 11–17 Feb 2020 | 614 | ? | 31.1 | 23.8 | 13.2 | 6.3 | 3.5 | 5.4 | 6.9 | 2.9 | 0.8 | 6.1 | 7.3 |
| Eurosondagem | 2–6 Feb 2020 | 1,020 | ? | 37.4 | 26.7 | 9.0 | 6.5 | 3.3 | 3.1 | 2.5 | 1.1 | 0.5 | 9.9 | 10.7 |
| ICS/ISCTE | 22 Jan–5 Feb 2020 | 800 | ? | 33 | 28 | 9 | 8 | 4 | 3 | 6 | 2 | 1 | 6 | 5 |
| Intercampus | 19–24 Jan 2020 | 619 | ? | 32.8 | 25.8 | 11.9 | 6.2 | 1.9 | 6.0 | 6.2 | 2.3 | 1.7 | 5.2 | 7.0 |
| Eurosondagem | 5–9 Jan 2020 | 1,010 | ? | 37.2 | 26.5 | 9.6 | 6.6 | 3.5 | 3.6 | 2.2 | 1.3 | 0.6 | 8.9 | 10.7 |
| Intercampus | 12–17 Dec 2019 | 606 | ? | 33.9 | 25.7 | 10.7 | 6.3 | 3.9 | 6.1 | 5.7 | 2.4 | 1.1 | 4.2 | 8.2 |
| Eurosondagem | 8–12 Dec 2019 | 1,019 | ? | 37.1 | 26.9 | 9.5 | 7.1 | 3.6 | 3.5 | 1.9 | 1.1 | 0.6 | 8.7 | 10.2 |
| Intercampus | 20–26 Nov 2019 | 604 | ? | 34.9 | 24.9 | 10.8 | 8.1 | 2.9 | 4.8 | 4.8 | 2.9 | 2.7 | 3.2 | 10.0 |
| Eurosondagem | 17–21 Nov 2019 | 1,011 | ? | 36.9 | 27.1 | 10.1 | 6.9 | 4.0 | 3.3 | – | – | – | 11.7 | 9.8 |
| Aximage | 8–11 Nov 2019 | 639 | ? | 37.4 | 27.1 | 10.4 | 6.2 | 4.0 | 3.2 | 3.0 | 1.3 | 0.9 | 6.5 | 10.3 |
| Intercampus | 22–28 Oct 2019 | 604 | ? | 35.6 | 24.8 | 10.7 | 6.9 | 4.4 | 5.3 | 2.5 | 0.8 | 2.7 | 6.3 | 10.8 |
| 2019 Legislative Election | 6 Oct 2019 | N/A | 48.6 | 36.4 108 |
27.8 79 |
9.5 19 |
6.3 12 |
4.2 5 |
3.3 4 |
1.3 1 |
1.3 1 |
1.1 1 |
8.8 0 |
8.6 |
Leadership polls
Preferred Prime Minister
Poll results showing public opinion on who would make the best Prime Minister are shown in the table below in reverse chronological order, showing the most recent first.
António Costa vs Rui Rio
| Polling firm/Link | Fieldwork date | _2.jpg.webp){kind=small} |
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N | Both/ O |
NO | Lead |
|---|---|---|---|---|---|---|---|
| Aximage | 19–22 Dec 2020 | 53 | 19 | 22 | 2 | 4 | 34 |
| Aximage | 23–26 Nov 2020 | 50 | 18 | 22 | 4 | 7 | 32 |
| Aximage | 22–26 Oct 2020 | 47 | 17 | 23 | 4 | 9 | 30 |
| Aximage | 12–15 Sep 2020 | 48 | 17 | 25 | 4 | 6 | 31 |
| Aximage | 5–8 Jul 2020 | 55 | 17 | 19 | 5 | 5 | 38 |
| Aximage | 5–8 Jun 2020 | 57.3 | 18.2 | 17.3 | 3.2 | 4.0 | 39.1 |
| Aximage | 7–10 Mar 2020 | 41.1 | 21.3 | 30.8 | 1.9 | 4.9 | 19.8 |
| Aximage | 14–18 Feb 2020 | 43.8 | 21.8 | 24.7 | 3.9 | 5.8 | 22.0 |
| Aximage | 9–12 Jan 2020 | 43.6 | 19.5 | 27.5 | 2.8 | 6.6 | 24.1 |
Cabinet approval/disapproval ratings
Poll results showing public opinion on the performance of the Government are shown in the table below in reverse chronological order, showing the most recent first.
| Polling firm/Link | Fieldwork date | Sample size | António Costa's cabinet | ||||
|---|---|---|---|---|---|---|---|
| Approve | Disapprove | Average | No opinion | Net | |||
| Eurosondagem | 11–14 Jan 2021 | 1,021 | 42.0 | 28.7 | 0.0 | 29.3 | 13.3 |
| Intercampus | 4–7 Jan 2021 | 603 | 49.6 | 22.4 | 26.7 | 1.3 | 22.9 |
| Aximage | 19–22 Dec 2020 | 812 | 47 | 31 | 19 | 3 | 16 |
| Intercampus | 14–18 Dec 2020 | 603 | 44.2 | 28.9 | 24.7 | 2.2 | 15.3 |
| Eurosondagem | 7–10 Dec 2020 | 1,020 | 42.0 | 29.9 | 0.0 | 28.1 | 12.1 |
| Aximage | 23–26 Nov 2020 | 647 | 51 | 33 | 12 | 4 | 18 |
| ICS/ISCTE | 11–25 Nov 2020 | 802 | 51 | 42 | 0 | 7 | 9 |
| Intercampus | 9–16 Nov 2020 | 622 | 45.5 | 29.1 | 24.8 | 0.6 | 16.4 |
| Eurosondagem | 2–5 Nov 2020 | 1,011 | 41.8 | 28.2 | 0.0 | 30.0 | 13.6 |
| Aximage | 22–26 Oct 2020 | 694 | 45 | 30 | 19 | 6 | 15 |
| Intercampus | 6–11 Oct 2020 | 618 | 47.3 | 23.7 | 27.9 | 1.1 | 19.4 |
| Eurosondagem | 5–8 Oct 2020 | 1,010 | 39.6 | 25.2 | 0.0 | 35.2 | 14.4 |
| ICS/ISCTE | 14–24 Sep 2020 | 801 | 49 | 43 | 0 | 8 | 6 |
| Aximage | 12–15 Sep 2020 | 603 | 48 | 35 | 14 | 4 | 13 |
| Eurosondagem | 7–10 Sep 2020 | 1,022 | 40.0 | 25.0 | 0.0 | 35.0 | 15.0 |
| Intercampus | 4–9 Sep 2020 | 614 | 50.4 | 21.0 | 26.5 | 2.1 | 23.9 |
| Intercampus | 6–11 Aug 2020 | 601 | 48.6 | 20.8 | 28.3 | 2.3 | 20.3 |
| CESOP–UCP | 13–18 Jul 2020 | 1,482 | 73 | 21 | 0 | 6 | 52 |
| Intercampus | 9–13 Jul 2020 | 620 | 49.3 | 17.8 | 30.8 | 2.1 | 18.5 |
| Aximage | 5–8 Jul 2020 | 624 | 57 | 26 | 13 | 4 | 31 |
| Eurosondagem | 29 Jun–2 Jul 2020 | 1,025 | 41.0 | 24.5 | 0.0 | 34.5 | 16.5 |
| Intercampus | 9–13 Jun 2020 | 610 | 59.5 | 15.4 | 24.1 | 1.0 | 35.4 |
| Eurosondagem | 1–4 Jun 2020 | 1,021 | 42.5 | 25.0 | 0.0 | 32.5 | 17.5 |
| Pitagórica | 16–24 May 2020 | 802 | 53 | 10 | 37 | 0 | 16 |
| Intercampus | 6–9 May 2020 | 620 | 62.9 | 11.5 | 23.7 | 1.9 | 39.2 |
| Eurosondagem | 4–7 May 2020 | 1,005 | 43.3 | 25.2 | 0.0 | 31.5 | 18.1 |
| Pitagórica | 15–26 Apr 2020 | 605 | 48 | 11 | 41 | 0 | 7 |
| Intercampus | 9–14 Apr 2020 | 623 | 67.4 | 10.7 | 20.1 | 1.8 | 47.3 |
| Eurosondagem | 29 Mar–2 Apr 2020 | 1,008 | 44.2 | 27.2 | 0.0 | 28.6 | 17.0 |
| Pitagórica | 13–21 Mar 2020 | 605 | 33 | 20 | 47 | 0 | 14 |
| Intercampus | 13–19 Mar 2020 | 611 | 47.9 | 25.2 | 25.7 | 2.1 | 22.2 |
| Eurosondagem | 1–5 Mar 2020 | 1,011 | 42.5 | 26.9 | 0.0 | 30.6 | 15.6 |
| Intercampus | 11–17 Feb 2020 | 614 | 31.6 | 33.4 | 32.9 | 2.1 | 0.5 |
| Eurosondagem | 2–6 Feb 2020 | 1,020 | 43.3 | 26.9 | 0.0 | 30.0 | 16.4 |
| ICS/ISCTE | 22 Jan–5 Feb 2020 | 800 | 57 | 34 | 0 | 9 | 23 |
| Intercampus | 19–24 Jan 2020 | 619 | 35.1 | 31.6 | 31.3 | 1.9 | 3.5 |
| Eurosondagem | 5–9 Jan 2020 | 1,010 | 42.9 | 26.8 | 0.0 | 30.3 | 16.1 |
| Intercampus | 12–17 Dec 2019 | 606 | 33.7 | 34.5 | 28.7 | 3.1 | 0.8 |
| Eurosondagem | 8–12 Dec 2019 | 1,019 | 43.4 | 26.6 | 0.0 | 30.0 | 16.8 |
| Intercampus | 20–26 Nov 2019 | 604 | 34.3 | 30.3 | 31.0 | 4.5 | 3.3 |
| Eurosondagem | 17–21 Nov 2019 | 1,011 | 43.7 | 26.8 | 0.0 | 29.5 | 16.9 |
| Intercampus | 22–28 Oct 2019 | 604 | 36.7 | 28.1 | 31.6 | 3.5 | 5.1 |
External links
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