Opinion polling for the 2019 Portuguese legislative election
In the run up to the 2019 Portuguese legislative election (to be held on 6 October 2019), 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 4 October 2015, to the present day.
Nationwide polling
Graphical summary
Graph showing a 30-day average trendline of Portuguese opinion polls from the election in 2015 to the election in 2019. Each line corresponds to a political party.
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.
Exit poll
| Polling firm/Link | Fieldwork date | Sample size | Turnout | .png.webp){kind=logo} |
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 |
 |
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L |  |
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 |
O | Lead |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 Legislative Election | 6 Oct 2019 | N/A | 48.6 | 27.8 79 |
36.4 108 |
9.5 19 |
4.2 5 |
6.3 12 |
3.3 4 |
1.1 1 |
1.3 1 |
0.8 0 |
1.3 1 |
8.0 | 8.6 |
| UCP–CESOP | 6 Oct 2019 | 20,532 | 51–56 | 27.0– 31.0 74/82 |
34.0– 39.0 104/112 |
9.0– 12.0 19/23 |
3.0– 5.0 4/6 |
6.0– 8.0 9/14 |
3.0– 5.0 4/6 |
1.0– 2.0 1 |
1.0– 2.0 1/2 |
0.0– 1.0 0/1 |
1.0– 2.0 0/1 |
– | 7.0– 8.0 |
| ICS/ISCTE | 6 Oct 2019 | 1,814 | 49–52 | 24.2– 28.2 72/82 |
36.0– 40.0 105/117 |
8.9– 11.9 17/24 |
2.4– 5.0 2/8 |
4.7– 7.3 5/13 |
2.5– 4.5 2/6 |
0.5– 2.5 1/2 |
0.6– 2.6 1/3 |
– | 0.4– 2.4 0/1 |
– | 11.8 |
| Intercampus | 6 Oct 2019 | 22,303 | 52–56 | 24.0– 30.0 75/85 |
33.0– 39.0 102/114 |
7.0– 11.0 16/22 |
2.0– 5.0 3/7 |
4.0– 8.0 8/14 |
2.0– 5.0 4/8 |
? 1 |
? 2 |
– | ? 1 |
– | 9.0 |
| Pitagórica | 6 Oct 2019 | 26,422 | 61–65 | 24.6– 28.6 68/78 |
34.5– 38.5 100/112 |
7.7– 11.7 20/26 |
2.9– 4.9 3/7 |
6.0– 8.0 10/14 |
2.7– 4.7 3/5 |
0.1– 2.1 0/1 |
0.9– 2.9 0/2 |
– | 0.6– 2.6 0/1 |
– | 9.9 |
| Pitagórica[lower-alpha 1] | 30 Sep–3 Oct 2019 | 600 | ? | 27.8 | 37.2 | 9.2 | 4.6 | 6.6 | 4.8 | 0.9 | 0.9 | 1.1 | 1.8 | 5.3 | 9.4 |
| Aximage | 26 Sep–2 Oct 2019 | 2,171 | ? | 26.8 72 |
36.5 102 |
10.7 25 |
4.9 9 |
6.6 14 |
3.8 6 |
1.3 1 |
1.1 0 |
– | 1.3 1 |
7.0 0 |
9.7 |
| Pitagórica | 17 Sep–2 Oct 2019 | 2,400 | ? | 28.8 79/83 |
37.3 101/104 |
9.2 17/20 |
3.9 7/10 |
6.6 9/12 |
4.4 4/5 |
0.9 0/1 |
0.9 0/1 |
1.5 0 |
1.5 0 |
5.0 0 |
8.5 |
| Pitagórica[lower-alpha 1] | 28 Sep–1 Oct 2019 | 600 | ? | 28.5 | 37.4 | 8.9 | 4.0 | 7.4 | 3.8 | 0.8 | 0.4 | 1.1 | 1.5 | 6.2 | 8.9 |
| Intercampus | 26 Sep–1 Oct 2019 | 1,000 | ? | 26.1 77 |
35.0 104 |
8.7 17 |
4.5 7 |
8.0 16 |
5.6 9 |
– | – | – | – | 12.1 0 |
8.9 |
| Eurosondagem | 25 Sep–1 Oct 2019 | 2,071 | ? | 25.5 68/76 |
38.8 109/117 |
9.6 17/19 |
5.0 6/8 |
7.1 13/14 |
4.0 5/6 |
– | – | – | – | 10.0 0/2 |
13.3 |
| Pitagórica[lower-alpha 1] | 27–30 Sep 2019 | 600 | ? | 28.6 | 35.6 | 9.5 | 4.2 | 7.8 | 2.9 | 1.5 | 1.1 | 1.1 | 1.3 | 6.5 | 7.0 |
| UCP–CESOP | 26–29 Sep 2019 | 3,226 | ? | 30 79/87 |
37 97/107 |
10 18/24 |
5 7/11 |
6 8/13 |
3 2/4 |
1 0/1 |
1 0/1 |
1 0 |
1 0 |
6 0 |
7 |
| Pitagórica[lower-alpha 1] | 26–29 Sep 2019 | 600 | ? | 28.9 | 35.3 | 9.1 | 4.5 | 7.8 | 3.2 | 1.5 | 1.3 | 0.6 | 1.1 | 6.7 | 6.4 |
| ICS/ISCTE | 23–29 Sep 2019 | 1,330 | ? | 28 73/83 |
38 104/114 |
10 16/24 |
5 5/10 |
6 9/15 |
3 2/5 |
0.5 0 |
0.2 0 |
0.3 0 |
0.4 0 |
7 0 |
10 |
| Pitagórica[lower-alpha 1] | 25–28 Sep 2019 | 600 | ? | 27.7 | 37.7 | 10.0 | 4.4 | 6.3 | 3.1 | 1.3 | 1.1 | 0.7 | 1.1 | 6.8 | 10.0 |
| Pitagórica[lower-alpha 1] | 24–27 Sep 2019 | 600 | ? | 26.4 | 37.1 | 10.4 | 3.6 | 6.4 | 3.1 | 1.3 | 2.0 | 0.7 | 1.1 | 7.8 | 10.7 |
| Pitagórica[lower-alpha 1] | 23–26 Sep 2019 | 600 | ? | 26.6 | 37.8 | 10.1 | 4.0 | 5.1 | 3.6 | 1.1 | 1.6 | 0.7 | 1.1 | 8.3 | 11.2 |
| Pitagórica[lower-alpha 1] | 22–25 Sep 2019 | 600 | ? | 26.8 | 38.3 | 10.6 | 4.4 | 5.3 | 3.3 | 1.1 | 1.3 | 0.7 | 0.7 | 7.5 | 11.5 |
| Aximage | 21–25 Sep 2019 | ? | ? | 25.2 | 37.4 | 11.0 | 5.1 | 6.8 | 3.6 | 1.6 | 1.2 | – | 1.5 | 6.6 | 12.2 |
| Pitagórica[lower-alpha 1] | 21–24 Sep 2019 | 600 | ? | 27.0 | 36.4 | 10.6 | 4.4 | 6.9 | 3.0 | 1.2 | 1.8 | 0.5 | 0.7 | 7.6 | 9.4 |
| Pitagórica[lower-alpha 1] | 20–23 Sep 2019 | 600 | ? | 28.5 | 36.0 | 10.5 | 4.4 | 6.8 | 3.7 | 0.9 | 1.2 | 0.5 | 0.5 | 7.0 | 7.5 |
| Pitagórica[lower-alpha 1] | 19–22 Sep 2019 | 600 | ? | 27.7 | 37.6 | 10.4 | 4.7 | 7.6 | 3.3 | 0.5 | 0.9 | 0.7 | 0.2 | 6.3 | 9.9 |
| Pitagórica[lower-alpha 1] | 18–21 Sep 2019 | 600 | ? | 26.8 | 38.7 | 9.7 | 5.5 | 6.9 | 3.1 | 0.2 | 1.0 | 1.0 | 0.5 | 6.7 | 11.9 |
| Pitagórica[lower-alpha 1] | 17–20 Sep 2019 | 600 | ? | 26.6 | 40.6 | 8.8 | 5.2 | 6.8 | 3.6 | 0.2 | 0.5 | 1.1 | 0.5 | 6.1 | 14.0 |
| Multidados | 9–13 Sep 2019 | 800 | ? | 25.1 | 37.7 | 12.5 | 5.2 | 5.9 | 5.0 | – | – | – | – | 9.0 | 12.6 |
| Pitagórica | 9–12 Sep 2019 | 605 | ? | 23.3 | 39.2 | 10.0 | 5.6 | 7.7 | 3.2 | 0.9 | – | 1.5 | – | 8.6 | 15.9 |
| Eurosondagem | 7–12 Sep 2019 | 2,048 | ? | 23.3 64/70 |
38.3 112/118 |
9.5 17/19 |
5.5 8 |
7.1 13/15 |
4.5 6 |
– | – | – | – | 11.8 1/3 |
15.0 |
| Intercampus | 2–11 Sep 2019 | 801 | ? | 23.6 67 |
37.9 114 |
9.8 18 |
6.3 9 |
8.6 16 |
5.2 6 |
– | – | – | – | 8.6 0 |
14.3 |
| Aximage | 1–8 Sep 2019 | 985 | 65.5 | 20.6 | 38.4 | 10.2 | 4.6 | 5.4 | 4.9 | – | – | – | – | 15.9 | 17.8 |
| Eurosondagem | 1–5 Sep 2019 | 1,022 | ? | 23.3 | 38.1 | 9.0 | 6.0 | 6.9 | 4.4 | – | – | 1.7 | – | 10.6 | 14.8 |
| ICS/ISCTE | 24 Aug–5 Sep 2019 | 801 | ? | 23 | 42 | 9 | 5 | 6 | 4 | 0 | 0 | 0 | 0 | 11.0 | 19 |
| Pitagórica | 12–24 Aug 2019 | 1,525 | ? | 20.4 | 43.6 | 10.0 | 4.9 | 6.6 | 3.2 | 0.6 | 1.3 | 1.5 | – | 7.9 | 23.2 |
| Multidados | 18–28 Jul 2019 | 800 | ? | 20.3 | 35.5 | 14.7 | 3.3 | 5.6 | 7.9 | – | – | – | – | 12.7 | 15.2 |
| Aximage | 20–27 Jul 2019 | 1,385 | 61.7 | 20.7 | 38.1 | 10.0 | 5.0 | 6.7 | 5.0 | – | – | – | – | 14.5 | 17.4 |
| Aximage | 12–15 Jul 2019 | 601 | ? | 23.6 | 37.5 | 9.4 | 4.9 | 6.8 | 4.0 | – | – | – | – | 13.8 | 13.9 |
| Pitagórica | 8–14 Jul 2019 | 800 | ? | 21.6 | 43.2 | 9.2 | 6.0 | 6.8 | 3.6 | – | – | 1.2 | 0.8 | 7.6 | 21.6 |
| Eurosondagem | 7–11 Jul 2019 | 1,011 | ? | 23.6 | 37.3 | 9.0 | 6.4 | 6.8 | 4.3 | – | – | 1.5 | – | 11.1 | 13.7 |
| ICS/ISCTE | 15–27 Jun 2019 | 801 | ? | 23 | 38 | 11 | 5 | 8 | 4 | 0 | 0 | 0 | 1 | 10 | 15 |
| Aximage | 13–19 Jun 2019 | 605 | 64.1 | 23.1 | 35.6 | 9.0 | 6.6 | 7.0 | 4.2 | – | – | 0.8 | – | 13.7 | 12.5 |
| Eurosondagem | 2–6 Jun 2019 | 1,008 | ? | 24.0 | 37.1 | 9.1 | 6.0 | 6.3 | 4.8 | – | – | 1.9 | – | 10.8 | 13.1 |
| 2019 EP Elections | 26 May 2019 | N/A | 30.7 | 21.9 | 33.4 | 9.8 | 6.2 | 6.9 | 5.1 | 1.8 | 0.9 | 1.9 | 1.5 | 10.6 | 11.5 |
| UCP–CESOP | 26 May 2019 | 4,589 | ? | 25 | 39 | 9 | 6 | 8 | 4 | – | – | 1 | – | 8 | 14 |
| Aximage | 16–20 May 2019 | 622 | 63.7 | 25.7 | 36.5 | 9.1 | 6.9 | 7.3 | 1.5 | – | – | 1.3 | – | 11.7 | 10.8 |
| UCP–CESOP | 16–19 May 2019 | 1,882 | ? | 28 | 39 | 9 | 7 | 8 | 3 | – | – | 1 | – | 5 | 11 |
| Pitagórica | 10–19 May 2019 | 605 | ? | 22.5 | 40.4 | 8.2 | 6.1 | 6.5 | 3.6 | – | – | 1.5 | – | 11.1 | 17.9 |
| Aximage | 3–8 May 2019 | 601 | 63.3 | 27.6 | 35.4 | 7.9 | 7.4 | 7.2 | 1.6 | – | – | 1.4 | – | 11.5 | 7.8 |
| Pitagórica | 3–13 Apr 2019 | 605 | ? | 25.6 | 37.2 | 8.3 | 6.5 | 6.5 | 2.8 | – | – | 1.8 | – | 11.4 | 11.6 |
| Eurosondagem | 7–11 Apr 2019 | 1,019 | ? | 25.0 | 36.9 | 7.8 | 8.4 | 7.3 | 2.5 | – | – | 3.5 | [lower-alpha 2] | 8.6 | 11.9 |
| Aximage | 30 Mar–1 Apr 2019 | 602 | 63.6 | 27.3 | 34.6 | 8.5 | 8.5 | 7.0 | 2.2 | – | – | 1.6 | 10.3 | 7.3 | |
| Eurosondagem | 10–14 Mar 2019 | 1,020 | ? | 25.2 | 37.3 | 8.1 | 8.5 | 7.1 | 2.4 | – | – | 3.3 | 8.1 | 12.1 | |
| Aximage | 9–13 Mar 2019 | 600 | ? | 23.9 | 36.3 | 9.2 | 9.7 | 6.8 | 2.2 | – | – | 1.8 | 10.1 | 12.4 | |
| ICS/ISCTE | 9–21 Feb 2019 | 801 | ? | 25 | 37 | 8 | 8 | 8 | 3 | 1 | 0 | 2 | 8 | 12 | |
| Aximage | 5–10 Feb 2019 | 602 | 66.3 | 24.4 | 36.4 | 8.9 | 9.3 | 6.3 | 2.5 | – | – | 1.6 | 10.6 | 12.0 | |
| Eurosondagem | 2–9 Jan 2019 | 1,010 | ? | 24.8 | 40.0 | 7.6 | 7.1 | 7.1 | 1.9 | – | – | 4.0 | 7.5 | 15.2 | |
| Aximage | 4–7 Jan 2019 | 608 | 65.4 | 24.1 | 37.7 | 8.8 | 9.4 | 7.2 | 3.5 | – | – | 1.2 | 8.1 | 13.6 | |
| Aximage | 7–11 Dec 2018 | 602 | 66.6 | 24.7 | 37.0 | 10.0 | 8.7 | 6.3 | – | – | – | – | 13.3 | 12.3 | |
| Eurosondagem | 7–14 Nov 2018 | 1,018 | ? | 26.8 | 41.8 | 7.7 | 7.0 | 7.0 | 1.8 | – | – | – | 7.9 | 15.0 | |
| Aximage | 9–12 Nov 2018 | 603 | 67.0 | 26.4 | 37.8 | 9.1 | 7.7 | 6.2 | – | – | – | – | 12.8 | 11.4 | |
| Aximage | 1–3 Oct 2018 | 601 | 67.0 | 24.0 | 38.9 | 9.1 | 9.2 | 7.4 | – | – | – | [lower-alpha 2] | 11.4 | 14.9 | |
| Eurosondagem | 5–12 Sep 2018 | 1,008 | ? | 27.5 | 41.4 | 8.0 | 7.7 | 6.9 | 1.1 | – | – | 7.4 | 13.9 | ||
| Aximage | 1–2 Sep 2018 | 603 | 66.5 | 24.1 | 39.9 | 7.8 | 9.2 | 7.1 | – | – | – | 11.9 | 15.8 | ||
| Aximage | 13–16 Jul 2018 | 600 | 64.6 | 27.2 | 39.0 | 9.5 | 7.4 | 7.0 | – | – | – | 9.9 | 11.8 | ||
| Eurosondagem | 4–11 Jul 2018 | 1,011 | ? | 27.3 | 42.0 | 7.9 | 7.5 | 7.3 | 1.1 | – | – | 6.9 | 14.7 | ||
| Aximage | 9–12 Jun 2018 | 602 | 67.2 | 27.8 | 37.0 | 10.3 | 6.3 | 7.2 | – | – | – | 11.4 | 9.2 | ||
| Aximage | 5–9 May 2018 | 600 | 67.2 | 27.6 | 37.7 | 10.0 | 6.7 | 7.7 | – | – | – | 10.3 | 10.1 | ||
| Eurosondagem | 3–9 May 2018 | 1,008 | ? | 28.0 | 41.0 | 8.0 | 7.0 | 7.5 | 1.4 | – | – | 7.1 | 13.0 | ||
| Aximage | 8–12 Apr 2018 | 601 | 68.7 | 26.7 | 38.0 | 10.0 | 7.0 | 7.7 | – | – | – | 10.6 | 11.3 | ||
| Eurosondagem | 8–14 Mar 2018 | 1,010 | ? | 28.4 | 41.5 | 7.7 | 6.6 | 7.3 | 1.5 | – | – | 7.0 | 13.1 | ||
| Aximage | 2–5 Mar 2018 | 605 | 67.3 | 27.0 | 39.2 | 10.0 | 5.4 | 7.4 | – | – | – | 11.0 | 12.2 | ||
| Aximage | 3–6 Feb 2018 | 603 | 66.4 | 26.4 | 40.6 | 8.8 | 6.2 | 7.7 | – | – | – | 10.3 | 14.2 | ||
| Eurosondagem | 14–17 Jan 2018 | 1,018 | ? | 26.9 | 41.3 | 8.5 | 7.0 | 6.9 | 1.8 | – | – | 7.6 | 14.4 | ||
| Aximage | 6–9 Jan 2018 | 600 | 65.8 | 26.2 | 40.2 | 9.2 | 6.2 | 6.8 | – | – | – | 11.4 | 14.0 | ||
| Eurosondagem | 6–12 Dec 2017 | 1,017 | ? | 27.9 | 40.2 | 8.6 | 6.9 | 7.0 | 1.7 | – | [lower-alpha 2] | 7.7 | 12.3 | ||
| Aximage | 1–4 Dec 2017 | 603 | 67.4 | 26.1 | 39.9 | 9.3 | 6.5 | 7.5 | – | – | 10.7 | 13.8 | |||
| Eurosondagem | 8–15 Nov 2017 | 1,010 | ? | 28.4 | 40.0 | 8.7 | 6.6 | 6.9 | 1.7 | – | 7.7 | 11.6 | |||
| Aximage | 4–6 Nov 2017 | 600 | 67.4 | 25.5 | 39.1 | 8.7 | 6.7 | 8.6 | – | – | 11.4 | 13.6 | |||
| Aximage | 14–17 Oct 2017 | 603 | 64.5 | 23.8 | 41.9 | 9.0 | 5.9 | 7.7 | – | – | 11.7 | 18.1 | |||
| Eurosondagem | 4–11 Oct 2017 | 1,011 | ? | 28.0 | 41.0 | 9.0 | 6.0 | 7.5 | 1.4 | – | 7.1 | 13.0 | |||
| 2017 Local Elections | 1 Oct 2017 | N/A | 55.0 | 30.3 | 38.7 | 3.3 | 4.1 | 9.5 | 1.1 | 0.3 | 12.7 | 8.4 | |||
| Aximage | 26–28 Sep 2017 | 600 | 65.3 | 25.8 | 43.7 | 7.8 | 4.1 | 7.8 | – | – | 10.8 | 17.9 | |||
| Eurosondagem | 31 Aug–6 Sep 2017 | 1,007 | ? | 28.7 | 40.3 | 8.4 | 6.8 | 7.3 | 1.5 | – | 7.0 | 11.6 | |||
| Aximage | 29–30 Aug 2017 | 597 | 65.0 | 22.9 | 43.0 | 9.1 | 5.2 | 7.8 | – | – | 12.0 | 20.1 | |||
| Eurosondagem | 27 Jul–2 Aug 2017 | 1,011 | ? | 28.1 | 40.8 | 8.4 | 6.9 | 7.6 | 1.1 | – | 7.1 | 12.7 | |||
| Aximage | 6–11 Jul 2017 | 604 | 66.4 | 22.9 | 44.0 | 10.1 | 5.3 | 7.8 | – | – | 9.9 | 21.1 | |||
| Eurosondagem | 28 Jun–5 Jul 2017 | 1,008 | ? | 28.6 | 40.4 | 8.5 | 6.2 | 7.8 | 1.3 | – | 7.2 | 11.8 | |||
| Aximage | 7–11 Jun 2017 | 601 | 66.4 | 24.6 | 43.7 | 9.7 | 4.6 | 7.8 | – | – | 9.6 | 19.1 | |||
| Eurosondagem | 1–7 Jun 2017 | 1,010 | ? | 29.0 | 40.0 | 8.6 | 6.4 | 7.5 | 1.7 | – | 6.8 | 11.0 | |||
| Eurosondagem | 3–10 May 2017 | 1,005 | ? | 29.0 | 39.0 | 9.0 | 6.9 | 7.6 | 1.2 | – | 7.3 | 10.0 | |||
| Aximage | 5–8 May 2017 | 603 | 64.7 | 24.5 | 42.4 | 10.0 | 5.4 | 7.7 | – | – | 10.0 | 17.9 | |||
| Eurosondagem | 30 Mar–5 Apr 2017 | 1,003 | ? | 29.3 | 39.3 | 9.0 | 6.4 | 7.5 | 1.4 | – | 7.1 | 10.0 | |||
| Aximage | 2–4 Apr 2017 | 600 | ? | 24.6 | 42.0 | 9.5 | 4.8 | 7.6 | – | – | 11.5 | 17.4 | |||
| Eurosondagem | 1–8 Mar 2017 | 1,011 | ? | 28.8 | 38.3 | 9.2 | 7.2 | 8.0 | 1.8 | – | 6.7 | 9.5 | |||
| Aximage | 4–6 Mar 2017 | 608 | 65.5 | 26.0 | 41.7 | 9.2 | 5.3 | 6.8 | – | – | 11.0 | 15.7 | |||
| Aximage | 5–8 Feb 2017 | 601 | 65.4 | 26.4 | 42.0 | 8.4 | 5.0 | 7.9 | – | – | 10.3 | 15.6 | |||
| Eurosondagem | 1–8 Feb 2017 | 1,017 | ? | 29.2 | 37.8 | 9.2 | 7.0 | 8.3 | 1.1 | – | 7.4 | 8.6 | |||
| Eurosondagem | 5–11 Jan 2017 | 1,010 | ? | 30.0 | 37.3 | 9.5 | 6.9 | 7.8 | 1.6 | – | 6.9 | 7.3 | |||
| Aximage | 6–9 Jan 2017 | 603 | 66.5 | 25.1 | 41.7 | 9.1 | 6.8 | 6.9 | – | – | 10.4 | 16.6 | |||
| Eurosondagem | 7–14 Dec 2016 | 1,016 | ? | 30.0 | 38.0 | 9.1 | 6.8 | 7.7 | 1.6 | – | 6.8 | 8.0 | |||
| Aximage | 2–4 Dec 2016 | 605 | 64.3 | 27.4 | 40.1 | 8.3 | 6.7 | 7.5 | – | – | 10.0 | 12.7 | |||
| UCP–CESOP | 19–22 Nov 2016 | 977 | ? | 30 | 43 | 8 | 6 | 6 | 2 | – | 5 | 13 | |||
| Eurosondagem | 2–9 Nov 2016 | 1,011 | ? | 30.4 | 37.0 | 9.7 | 6.6 | 8.2 | 1.1 | – | 7.0 | 6.6 | |||
| Aximage | 31 Oct–1 Nov 2016 | 601 | 63.4 | 28.7 | 38.3 | 9.0 | 6.4 | 7.3 | – | – | 10.3 | 9.6 | |||
| Eurosondagem | 6–12 Oct 2016 | 1,010 | ? | 30.7 | 36.3 | 9.5 | 7.0 | 8.3 | 1.3 | – | 6.9 | 5.6 | |||
| Aximage | 1–3 Oct 2016 | 608 | ? | 30.6 | 37.7 | 8.7 | 6.1 | 7.5 | – | – | 9.4 | 7.1 | |||
| Eurosondagem | 7–14 Sep 2016 | 1,009 | ? | 32.1 | 36.0 | 8.9 | 6.9 | 8.1 | 1.4 | – | 6.5 | 3.9 | |||
| Aximage | 2–5 Sep 2016 | 603 | 65.3 | 30.1 | 39.8 | 10.6 | 4.6 | 6.6 | – | – | 8.3 | 9.7 | |||
| Eurosondagem | 26 Jul–2 Aug 2016 | 1,005 | ? | 32.5 | 35.5 | 9.7 | 6.0 | 7.8 | 1.4 | – | 7.1 | 3.0 | |||
| Aximage | 15–17 Jul 2016 | 606 | 65.0 | 30.5 | 39.0 | 10.0 | 4.9 | 6.8 | – | – | 8.8 | 8.5 | |||
| Eurosondagem | 30 Jun–6 Jul 2016 | 1,023 | ? | 32.5 | 35.0 | 9.5 | 6.5 | 8.0 | 1.6 | – | 6.9 | 2.5 | |||
| Eurosondagem | 1–7 Jun 2016 | 1,025 | ? | 31.9 | 35.3 | 9.9 | 6.8 | 8.1 | 1.5 | – | 6.5 | 3.4 | |||
| Aximage | 30 May–1 Jun 2016 | 603 | 65.5 | 32.1 | 38.5 | 10.2 | 4.2 | 6.7 | – | – | 8.3 | 6.4 | |||
| Eurosondagem | 5–11 May 2016 | 1,031 | ? | 31.7 | 34.8 | 9.6 | 7.0 | 8.4 | 1.7 | – | 6.8 | 3.1 | |||
| Aximage | 7–9 May 2016 | 600 | 63.7 | 32.3 | 38.5 | 9.7 | 4.0 | 6.6 | – | – | 8.9 | 6.2 | |||
| Eurosondagem | 7–13 Apr 2016 | 1,026 | ? | 32.0 | 34.3 | 9.7 | 7.7 | 8.3 | 1.3 | – | 6.7 | 2.3 | |||
| Aximage | 2–3 Apr 2016 | 601 | 63.9 | 33.5 | 35.6 | 10.0 | 4.2 | 6.2 | – | – | 10.5 | 2.1 | |||
| Eurosondagem | 3–9 Mar 2016 | 1,005 | ? | 32.0 | 35.0 | 9.2 | 8.0 | 7.8 | 1.4 | – | 6.6 | 3.0 | |||
| Aximage | 1–4 Mar 2016 | 609 | 64.4 | 36.1 | 33.8 | 11.3 | 2.2 | 6.6 | – | – | 10.0 | 2.3 | |||
| Eurosondagem | 4–10 Feb 2016 | 1,010 | ? | 32.5 | 33.6 | 10.0 | 7.5 | 8.4 | 1.2 | – | 6.8 | 1.1 | |||
| Aximage | 30–31 Jan 2016 | 606 | 67.0 | 36.1 | 34.8 | 10.9 | 2.7 | 6.6 | – | – | 8.9 | 1.3 | |||
| Aximage | 16–20 Jan 2016 | 1,301 | 65.4 | 35.7 | 35.3 | 10.0 | 3.3 | 6.8 | – | – | 8.9 | 0.4 | |||
| Eurosondagem | 1–6 Jan 2016 | 1,016 | ? | 32.1 | 33.3 | 10.1 | 7.5 | 8.5 | 1.5 | – | 7.0 | 1.2 | |||
| Aximage | 2–5 Jan 2016 | 602 | 64.1 | 36.2 | 35.5 | 9.8 | 3.6 | 5.6 | – | – | 9.3 | 0.7 | |||
| Eurosondagem | 3–9 Dec 2015 | 1,015 | ? | 33.0 | 33.7 | 9.5 | 8.0 | 7.8 | 1.3 | – | 6.7 | 0.7 | |||
| Aximage | 28 Nov–2 Dec 2015 | 605 | 64.8 | 35.3 | 34.0 | 12.1 | 4.1 | 7.4 | – | – | 7.1 | 1.3 | |||
| Polling firm/Link | Fieldwork date | Sample size | Turnout | .png.webp){kind=logo} |
|
|
|
CDU | |
L | O | Lead | |||
| UCP–CESOP | 5–6 Dec 2015 | 1,183 | 64 | 41 | 34 | 11 | [lower-alpha 3] | 7 | 2 | – | 5 | 7 | |||
| Aximage | 31 Oct–4 Nov 2015 | 603 | 63.3 | 40.1 | 32.9 | 10.5 | [lower-alpha 3] | 8.0 | 2.0 | – | 6.5 | 7.2 | |||
| Eurosondagem | 29 Oct–3 Nov 2015 | 1,036 | ? | 40.8 | 32.5 | 10.0 | [lower-alpha 3] | 8.0 | 1.5 | – | 7.2 | 8.3 | |||
| Intercampus | 14–17 Oct 2015 | 807 | ? | 41.3 | 32.7 | 11.0 | [lower-alpha 3] | 7.7 | – | – | 7.3 | 8.6 | |||
| 2015 Legislative Election | 4 Oct 2015 | N/A | 55.8 | 38.6 107 |
32.3 86 |
10.2 19 |
[lower-alpha 3] | 8.3 17 |
1.4 1 |
0.7 0 |
9.5 0 |
6.3 | |||
Constituency polling
Lisbon district
| Polling firm/Link | Fieldwork date | Sample size | Turnout | |
|
|
CDU | |
|
L | |
|
|
O | Lead |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 Legislative Election | 6 Oct 2019 | N/A | 57.3 | 22.6 12 |
36.7 20 |
9.7 5 |
7.8 4 |
4.4 2 |
4.4 2 |
2.1 1 |
2.5 1 |
1.3 0 |
2.0 1 |
6.5 0 |
14.1 |
| Eurosondagem | 28 Sep–1 Oct 2019 | 710 | ? | 20.5 11 |
40.8 22/23 |
9.8 5 |
7.7 4 |
5.2 2/3 |
4.0 2 |
1.2 0 |
1.7 0/1 |
1.7 0/1 |
1.9 1 |
5.5 1 |
20.3 |
| Eurosondagem | 18–19 Sep 2019 | 719 | ? | 19.1 10 |
40.0 22 |
10.1 5 |
7.7 4 |
6.6 3 |
4.5 2 |
– | – | – | 2.2 1 |
9.8 1 |
20.9 |
| Polling firm/Link | Fieldwork date | Sample size | Turnout | |
|
|
CDU | |
|
L | [lower-alpha 2] | [lower-alpha 2] | [lower-alpha 2] | O | Lead |
| 2015 Legislative Election | 4 Oct 2015 | N/A | 60.3 | 34.7 18 |
33.5 18 |
10.9 5 |
9.8 5 |
[lower-alpha 3] |
2.0 1 |
1.3 0 |
9.1 0 |
1.2 | |||
Madeira
| Polling firm/Link | Fieldwork date | Sample size | Turnout | |
|
|
JPP | |
CDU | |
O | Lead |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 Legislative Election | 6 Oct 2019 | N/A | 50.3 | 37.2 3 |
33.4 3 |
5.2 0 |
5.5 0 |
6.1 0 |
2.1 0 |
1.8 0 |
8.8 0 |
3.8 |
| UCP–CESOP | 14–15 Sep 2019 | 1,375 | ? | 41 | 31 | 8 | 5 | 5 | 4 | 2 | 5 | 10 |
| 2015 Legislative Election | 4 Oct 2015 | N/A | 48.9 | 37.8 3 |
20.9 2 |
10.7 1 |
6.9 0 |
6.0 0 |
3.6 0 |
1.8 0 |
12.4 0 |
16.9 |
Porto district
| Polling firm/Link | Fieldwork date | Sample size | Turnout | |
|
|
|
CDU | |
O | Lead |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 Legislative Election | 6 Oct 2019 | N/A | 58.6 | 31.2 15 |
36.7 17 |
10.1 4 |
3.3 1 |
4.8 2 |
3.5 1 |
10.5 0 |
5.5 |
| Eurosondagem | 29 Sep–1 Oct 2019 | 771 | ? | 26.9 12/13 |
40.0 17/18 |
10.0 4 |
4.8 2 |
5.0 2 |
4.4 2 |
8.9 0 |
13.1 |
| Eurosondagem | 2–4 Jul 2019 | 1,005 | ? | 25.0 11/12 |
38.7 17/18 |
8.9 4 |
5.5 2 |
5.4 2 |
5.0 2 |
11.5 0 |
13.7 |
| Polling firm/Link | Fieldwork date | Sample size | Turnout | |
|
|
|
CDU | |
O | Lead |
| 2015 Legislative Election | 4 Oct 2015 | N/A | 60.3 | 39.6 17 |
32.7 14 |
11.1 5 |
[lower-alpha 3] | 6.8 3 |
1.6 0 |
8.2 0 |
6.9 |
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} |
.jpg.webp){kind=small} |
N | Both/ O |
NO | Lead |
|---|---|---|---|---|---|---|---|
| Aximage | 1–8 Sep 2019 | 48.0 | 19.5 | – | – | – | 28.5 |
| Aximage | 12–15 Jul 2019 | 55.3 | 27.2 | – | – | – | 28.1 |
| Aximage | 13–19 Jun 2019 | 54.0 | 25.7 | – | – | – | 28.3 |
| Aximage | 3–8 May 2019 | 52.8 | 29.5 | – | – | – | 23.3 |
| Aximage | 30 Mar–1 Apr 2019 | 51.0 | 30.5 | – | – | – | 20.5 |
| Aximage | 9–13 Mar 2019 | 53.8 | 27.7 | – | – | – | 26.1 |
| Aximage | 5–10 Feb 2019 | 52.7 | 31.4 | – | – | – | 21.3 |
| Aximage | 4–7 Jan 2019 | 55.4 | 26.9 | – | – | – | 28.5 |
| Aximage | 7–11 Dec 2018 | 55.3 | 28.1 | 15.3 | 0.6 | 0.7 | 27.2 |
| Aximage | 9–12 Nov 2018 | 53.5 | 30.3 | – | – | – | 23.2 |
| Aximage | 1–3 Oct 2018 | 55.3 | 30.1 | – | – | – | 25.2 |
| Aximage | 1–2 Sep 2018 | 57.6 | 28.0 | – | – | – | 29.6 |
| Aximage | 13–16 Jul 2018 | 57.0 | 30.1 | – | – | – | 26.9 |
| Aximage | 9–12 Jun 2018 | 57.3 | 31.2 | – | – | – | 26.1 |
| Aximage | 5–9 May 2018 | 59.8 | 29.0 | – | – | – | 30.8 |
| Aximage | 8–12 Apr 2018 | 61.8 | 26.4 | – | – | – | 35.4 |
| Aximage | 2–5 Mar 2018 | 62.9 | 27.8 | – | – | – | 35.1 |
| Aximage | 3–6 Feb 2018 | 64.1 | 22.0 | – | – | – | 42.1 |
| Eurosondagem | 8–10 Jan 2018 | 51.3 | 25.1 | – | – | 23.6 | 26.2 |
| Aximage | 6–9 Jan 2018 | 55.7 | 33.0 | 8.1 | 1.2 | 2.0 | 22.7 |
| Eurosondagem | 4–6 Dec 2017 | 51.9 | 26.9 | – | – | 21.2 | 25.0 |
| Aximage | 1–4 Dec 2017 | 60.1 | 32.8 | 4.1 | 0.6 | 2.4 | 27.3 |
| Eurosondagem | 6–8 Nov 2017 | 52.0 | 25.0 | – | – | 23.0 | 27.0 |
| Aximage | 4–6 Nov 2017 | 56.2 | 34.1 | 6.4 | 0.7 | 2.6 | 22.1 |
| Aximage | 31 Oct–1 Nov 2016 | 48.1 | 43.0 | 2.6 | 1.3 | 5.0 | 5.1 |
António Costa vs Passos Coelho
| Polling firm/Link | Fieldwork date | |
.jpg.webp){kind=small} |
N | Both/ O |
NO | Lead |
|---|---|---|---|---|---|---|---|
| Aximage | 14–17 Oct 2017 | 67.6 | 20.8 | 10.1 | 0.4 | 1.1 | 46.8 |
| Aximage | 26–28 Sep 2017 | 64.0 | 24.4 | – | – | – | 39.6 |
| Aximage | 29–30 Aug 2017 | 65.8 | 23.4 | 9.2 | 0.9 | 0.9 | 42.4 |
| Aximage | 6–11 Jul 2017 | 66.3 | 23.2 | – | – | – | 43.1 |
| Aximage | 7–11 Jun 2017 | 69.1 | 22.2 | 6.8 | 0.7 | 1.2 | 46.9 |
| Aximage | 5–8 May 2017 | 66.2 | 23.3 | 8.4 | 0.7 | 1.4 | 42.9 |
| Aximage | 2–4 Apr 2017 | 67.5 | 24.1 | – | – | – | 43.4 |
| Aximage | 4–6 Mar 2017 | 63.6 | 26.2 | 8.8 | 0.6 | 0.8 | 37.4 |
| Aximage | 5–8 Feb 2017 | 66.1 | 25.0 | 7.5 | 0.7 | 0.7 | 41.1 |
| Aximage | 6–9 Jan 2017 | 64.3 | 23.7 | – | – | – | 40.6 |
| Aximage | 2–4 Dec 2016 | 61.6 | 26.5 | 10.5 | 0.6 | 0.8 | 35.1 |
| Aximage | 31 Oct–1 Nov 2016 | 55.4 | 30.8 | 0.4 | 12.5 | 0.9 | 24.6 |
| Aximage | 1–3 Oct 2016 | 54.0 | 32.8 | 0.4 | 12.1 | 0.7 | 21.2 |
| Aximage | 2–5 Sep 2016 | 57.3 | 31.2 | 0.4 | 10.3 | 0.8 | 26.1 |
| Aximage | 15–17 Jul 2016 | 56.8 | 31.6 | 0.8 | 9.5 | 1.3 | 25.2 |
| Aximage | 30 May–1 Jun 2016 | 55.2 | 35.2 | 7.4 | 1.4 | 0.8 | 20.0 |
| Aximage | 7–9 May 2016 | 54.5 | 36.1 | 4.9 | 3.5 | 1.0 | 18.4 |
| Aximage | 2–3 Apr 2016 | 50.8 | 38.8 | 8.4 | 0.5 | 1.5 | 12.0 |
| Aximage | 1–4 Mar 2016 | 47.8 | 41.6 | 8.4 | 0.5 | 1.7 | 6.2 |
| Aximage | 30–31 Jan 2016 | 48.1 | 41.9 | 7.6 | 0.7 | 1.7 | 6.2 |
| Aximage | 2–5 Jan 2016 | 48.3 | 38.9 | 9.5 | 1.1 | 2.2 | 9.4 |
| Aximage | 28 Nov–2 Dec 2015 | 43.2 | 44.3 | 10.5 | 0.6 | 1.4 | 1.1 |
| Aximage | 31 Oct–4 Nov 2015 | 39.6 | 45.5 | 13.7 | 0.2 | 1.0 | 5.9 |
António Costa vs Santana Lopes
| Polling firm/Link | Fieldwork date | |
 |
N | Both/ O |
NO | Lead |
|---|---|---|---|---|---|---|---|
| Eurosondagem | 8–10 Jan 2018 | 51.7 | 29.6 | – | – | 23.6 | 22.1 |
| Aximage | 6–9 Jan 2018 | 71.0 | 19.0 | 8.5 | 0.1 | 1.4 | 52.0 |
| Eurosondagem | 4–6 Dec 2017 | 52.7 | 30.2 | – | – | 17.1 | 22.5 |
| Aximage | 1–4 Dec 2017 | 71.7 | 19.7 | 6.6 | 0.0 | 2.0 | 52.0 |
| Eurosondagem | 6–8 Nov 2017 | 52.5 | 27.5 | – | – | 20.0 | 25.0 |
| Aximage | 4–6 Nov 2017 | 68.4 | 21.9 | 7.0 | 0.0 | 2.7 | 46.5 |
Notes
- Tracking Poll.
- Did not exist.
- The People's Party (CDS–PP) contested the 2015 election in a coalition called Portugal Ahead (PàF) alongside the Social Democratic Party (PSD). CDS–PP elected 18 MPs, while PSD elected 89 MPs.
External links
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