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 4 October 2015, to the present day.
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.
Party vote
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.
w/o PàF
| Polling firm/Link | Fieldwork date | Sample size |
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 |
 |
CDU | PAN | O | Lead |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aximage | 01.10.18–03.10.18 | 601 | 67.0% | 24.0 | 38.9 | 9.1 | 9.2 | 7.4 | 11.4 | 14.9 | |
| Eurosondagem | 05.09.18–12.09.18 | 1,008 | ? | 27.5 | 41.4 | 8.0 | 7.7 | 6.9 | 1.1 | 7.4 | 13.9 |
| Aximage | 01.09.18–02.09.18 | 603 | 66.5% | 24.1 | 39.9 | 7.8 | 9.2 | 7.1 | 11.9 | 15.8 | |
| Aximage | 13.07.18–16.07.18 | 600 | 64.6% | 27.2 | 39.0 | 9.5 | 7.4 | 7.0 | 9.9 | 11.8 | |
| Eurosondagem | 04.07.18–11.07.18 | 1,011 | ? | 27.3 | 42.0 | 7.9 | 7.5 | 7.3 | 1.1 | 6.9 | 14.7 |
| Aximage | 09.06.18–12.06.18 | 602 | 67.2% | 27.8 | 37.0 | 10.3 | 6.3 | 7.2 | 11.4 | 9.2 | |
| Aximage | 05.05.18–09.05.18 | 600 | 67.2% | 27.6 | 37.7 | 10.0 | 6.7 | 7.7 | 10.3 | 10.1 | |
| Eurosondagem | 03.05.18–09.05.18 | 1,008 | ? | 28.0 | 41.0 | 8.0 | 7.0 | 7.5 | 1.4 | 7.1 | 13.0 |
| Aximage | 08.04.18–12.04.18 | 601 | 68.7% | 26.7 | 38.0 | 10.0 | 7.0 | 7.7 | 10.6 | 11.3 | |
| Eurosondagem | 08.03.18–14.03.18 | 1,010 | ? | 28.4 | 41.5 | 7.7 | 6.6 | 7.3 | 1.5 | 7.0 | 13.1 |
| Aximage | 02.03.18–05.03.18 | 605 | 67.3% | 27.0 | 39.2 | 10.0 | 5.4 | 7.4 | 11.0 | 12.2 | |
| Aximage | 03.02.18–06.02.18 | 603 | 66.4% | 26.4 | 40.6 | 8.8 | 6.2 | 7.7 | 10.3 | 14.2 | |
| Eurosondagem | 14.01.18–17.01.18 | 1,018 | ? | 26.9 | 41.3 | 8.5 | 7.0 | 6.9 | 1.8 | 7.6 | 14.4 |
| Aximage | 06.01.18–09.01.18 | 600 | 65.8% | 26.2 | 40.2 | 9.2 | 6.2 | 6.8 | 11.4 | 14.0 | |
| Eurosondagem | 06.12.17–12.12.17 | 1,017 | ? | 27.9 | 40.2 | 8.6 | 6.9 | 7.0 | 1.7 | 7.7 | 12.3 |
| Aximage | 01.12.17–04.12.17 | 603 | 67.4% | 26.1 | 39.9 | 9.3 | 6.5 | 7.5 | 10.7 | 13.8 | |
| Eurosondagem | 08.11.17–15.11.17 | 1,010 | ? | 28.4 | 40.0 | 8.7 | 6.6 | 6.9 | 1.7 | 7.7 | 11.6 |
| Aximage | 04.11.17–06.11.17 | 600 | 67.4% | 25.5 | 39.1 | 8.7 | 6.7 | 8.6 | 11.4 | 13.6 | |
| Aximage | 14.10.17–17.10.17 | 603 | 64.5% | 23.8 | 41.9 | 9.0 | 5.9 | 7.7 | 11.7 | 18.1 | |
| Eurosondagem | 04.10.17–11.10.17 | 1,011 | ? | 28.0 | 41.0 | 9.0 | 6.0 | 7.5 | 1.4 | 7.1 | 13.0 |
| Local Elections | 01.10.17 | N/A | 55.0% | 30.3 | 38.7 | 3.3 | 4.1 | 9.5 | 1.1 | 13.0 | 8.4 |
| Aximage | 26.09.17–28.09.17 | 600 | 65.3% | 25.8 | 43.7 | 7.8 | 4.1 | 7.8 | 10.8 | 17.9 | |
| Eurosondagem | 31.08.17–06.09.17 | 1,007 | ? | 28.7 | 40.3 | 8.4 | 6.8 | 7.3 | 1.5 | 7.0 | 11.6 |
| Aximage | 29.08.17–30.08.17 | 597 | 65.0% | 22.9 | 43.0 | 9.1 | 5.2 | 7.8 | 12.0 | 20.1 | |
| Eurosondagem | 27.07.17–02.08.17 | 1,011 | ? | 28.1 | 40.8 | 8.4 | 6.9 | 7.6 | 1.1 | 7.1 | 12.7 |
| Aximage | 06.07.17–11.07.17 | 604 | 66.4% | 22.9 | 44.0 | 10.1 | 5.3 | 7.8 | 9.9 | 21.1 | |
| Eurosondagem | 28.06.17–05.07.17 | 1,008 | ? | 28.6 | 40.4 | 8.5 | 6.2 | 7.8 | 1.3 | 7.2 | 11.8 |
| Aximage | 07.06.17–11.06.17 | 601 | 66.4% | 24.6 | 43.7 | 9.7 | 4.6 | 7.8 | 9.6 | 19.1 | |
| Eurosondagem | 01.06.17–07.06.17 | 1,010 | ? | 29.0 | 40.0 | 8.6 | 6.4 | 7.5 | 1.7 | 6.8 | 11.0 |
| Eurosondagem | 03.05.17–10.05.17 | 1,005 | ? | 29.0 | 39.0 | 9.0 | 6.9 | 7.6 | 1.2 | 7.3 | 10.0 |
| Aximage | 05.05.17–08.05.17 | 603 | 64.7% | 24.5 | 42.4 | 10.0 | 5.4 | 7.7 | 10.0 | 17.9 | |
| Eurosondagem | 30.03.17–05.04.17 | 1,003 | ? | 29.3 | 39.3 | 9.0 | 6.4 | 7.5 | 1.4 | 7.1 | 10.0 |
| Aximage | 02.04.17–04.04.17 | 600 | ? | 24.6 | 42.0 | 9.5 | 4.8 | 7.6 | 11.5 | 17.4 | |
| Eurosondagem | 01.03.17–08.03.17 | 1,011 | ? | 28.8 | 38.3 | 9.2 | 7.2 | 8.0 | 1.8 | 6.7 | 9.5 |
| Aximage | 04.03.17–06.03.17 | 608 | 65.5% | 26.0 | 41.7 | 9.2 | 5.3 | 6.8 | 11.0 | 15.7 | |
| Aximage | 05.02.17–08.02.17 | 601 | 65.4% | 26.4 | 42.0 | 8.4 | 5.0 | 7.9 | 10.3 | 15.6 | |
| Eurosondagem | 01.02.17–08.02.17 | 1,017 | ? | 29.2 | 37.8 | 9.2 | 7.0 | 8.3 | 1.1 | 7.4 | 8.6 |
| Eurosondagem | 05.01.17–11.01.17 | 1,010 | ? | 30.0 | 37.3 | 9.5 | 6.9 | 7.8 | 1.6 | 6.9 | 7.3 |
| Aximage | 06.01.17–09.01.17 | 603 | 66.5% | 25.1 | 41.7 | 9.1 | 6.8 | 6.9 | 10.4 | 16.6 | |
| Eurosondagem | 07.12.16–14.12.16 | 1,016 | ? | 30.0 | 38.0 | 9.1 | 6.8 | 7.7 | 1.6 | 6.8 | 8.0 |
| Aximage | 02.12.16–04.12.16 | 605 | 64.3% | 27.4 | 40.1 | 8.3 | 6.7 | 7.5 | 10.0 | 12.7 | |
| UCP–CESOP | 19.11.16–22.11.16 | 977 | ? | 30 | 43 | 8 | 6 | 6 | 2 | 5 | 13 |
| Eurosondagem | 02.11.16–09.11.16 | 1,011 | ? | 30.4 | 37.0 | 9.7 | 6.6 | 8.2 | 1.1 | 7.0 | 6.6 |
| Aximage | 31.10.16–01.11.16 | 601 | 63.4% | 28.7 | 38.3 | 9.0 | 6.4 | 7.3 | 10.3 | 9.6 | |
| Eurosondagem | 06.10.16–12.10.16 | 1,010 | ? | 30.7 | 36.3 | 9.5 | 7.0 | 8.3 | 1.3 | 6.9 | 5.6 |
| Aximage | 01.10.16–03.10.16 | 608 | ? | 30.6 | 37.7 | 8.7 | 6.1 | 7.5 | 9.4 | 7.1 | |
| Eurosondagem | 07.09.16–14.09.16 | 1,009 | ? | 32.1 | 36.0 | 8.9 | 6.9 | 8.1 | 1.4 | 6.5 | 3.9 |
| Aximage | 02.09.16–05.09.16 | 603 | 65.3% | 30.1 | 39.8 | 10.6 | 4.6 | 6.6 | 8.3 | 9.7 | |
| Eurosondagem | 26.07.16–02.08.16 | 1,005 | ? | 32.5 | 35.5 | 9.7 | 6.0 | 7.8 | 1.4 | 7.1 | 3.0 |
| Aximage | 15.07.16–17.07.16 | 606 | 65.0% | 30.5 | 39.0 | 10.0 | 4.9 | 6.8 | 8.8 | 8.5 | |
| Eurosondagem | 30.06.16–06.07.16 | 1,023 | ? | 32.5 | 35.0 | 9.5 | 6.5 | 8.0 | 1.6 | 6.9 | 2.5 |
| Eurosondagem | 01.06.16–07.06.16 | 1,025 | ? | 31.9 | 35.3 | 9.9 | 6.8 | 8.1 | 1.5 | 6.5 | 3.4 |
| Aximage | 30.05.16–01.06.16 | 603 | 65.5% | 32.1 | 38.5 | 10.2 | 4.2 | 6.7 | 8.3 | 6.4 | |
| Eurosondagem | 05.05.16–11.05.16 | 1,031 | ? | 31.7 | 34.8 | 9.6 | 7.0 | 8.4 | 1.7 | 6.8 | 3.1 |
| Aximage | 07.05.16–09.05.16 | 600 | 63.7% | 32.3 | 38.5 | 9.7 | 4.0 | 6.6 | 8.9 | 6.2 | |
| Eurosondagem | 07.04.16–13.04.16 | 1,026 | ? | 32.0 | 34.3 | 9.7 | 7.7 | 8.3 | 1.3 | 6.7 | 2.3 |
| Aximage | 02.04.16–03.04.16 | 601 | 63.9% | 33.5 | 35.6 | 10.0 | 4.2 | 6.2 | 10.5 | 2.1 | |
| Eurosondagem | 03.03.16–09.03.16 | 1,005 | ? | 32.0 | 35.0 | 9.2 | 8.0 | 7.8 | 1.4 | 6.6 | 3.0 |
| Aximage | 01.03.16–04.03.16 | 609 | 64.4% | 36.1 | 33.8 | 11.3 | 2.2 | 6.6 | 10.0 | 2.3 | |
| Eurosondagem | 04.02.16–10.02.16 | 1,010 | ? | 32.5 | 33.6 | 10.0 | 7.5 | 8.4 | 1.2 | 6.8 | 1.1 |
| Aximage | 30.01.16–31.01.16 | 606 | 67.0% | 36.1 | 34.8 | 10.9 | 2.7 | 6.6 | 8.9 | 1.3 | |
| Aximage | 16.01.16–20.01.16 | 1,301 | 65.4% | 35.7 | 35.3 | 10.0 | 3.3 | 6.8 | 8.9 | 0.4 | |
| Eurosondagem | 01.01.16–06.01.16 | 1,016 | ? | 32.1 | 33.3 | 10.1 | 7.5 | 8.5 | 1.5 | 7.0 | 1.2 |
| Aximage | 02.01.16–05.01.16 | 602 | 64.1% | 36.2 | 35.5 | 9.8 | 3.6 | 5.6 | 9.3 | 0.7 | |
| Eurosondagem | 03.12.15–09.12.15 | 1,015 | ? | 33.0 | 33.7 | 9.5 | 8.0 | 7.8 | 1.3 | 6.7 | 0.7 |
| Aximage | 28.11.15–02.12.15 | 605 | 64.8% | 35.3 | 34.0 | 12.1 | 4.1 | 7.4 | 7.1 | 1.3 |
w/ PàF
| Polling firm/Link | Fieldwork date | Sample size |
TO | .png){kind=logo} |
|
|
CDU | PAN | O | Lead |
|---|---|---|---|---|---|---|---|---|---|---|
| UCP–CESOP | 05.12.15–06.12.15 | 1,183 | 64% | 41 | 34 | 11 | 7 | 2 | 5 | 7 |
| Aximage | 31.10.15–04.11.15 | 603 | 63.3% | 40.1 | 32.9 | 10.5 | 8.0 | 2.0 | 6.5 | 7.2 |
| Eurosondagem | 29.10.15–03.11.15 | 1,036 | ? | 40.8 | 32.5 | 10.0 | 8.0 | 1.5 | 7.2 | 8.3 |
| Intercampus | 14.10.15–17.10.15 | 807 | ? | 41.3 | 32.7 | 11.0 | 7.7 | 7.3 | 8.6 | |
| Legislative Election | 04.10.15 | N/A | 55.8% | 38.6 | 32.3 | 10.2 | 8.3 | 1.4 | 9.2 | 6.3 |
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.
w/ Rui Rio
| Polling firm/Link | Fieldwork date | .jpg){kind=small} |
_2.jpg){kind=small} |
N | Both/ O |
NO | Lead |
|---|---|---|---|---|---|---|---|
| Aximage | 01.10.18–03.10.18 | 30.1 | 55.3 | 25.2 | |||
| Aximage | 01.09.18–02.09.18 | 28.0 | 57.6 | 29.6 | |||
| Aximage | 13.07.18–16.07.18 | 30.1 | 57.0 | 26.9 | |||
| Aximage | 09.06.18–12.06.18 | 31.2 | 57.3 | 26.1 | |||
| Aximage | 05.05.18–09.05.18 | 29.0 | 59.8 | 30.8 | |||
| Aximage | 08.04.18–12.04.18 | 26.4 | 61.8 | 35.4 | |||
| Aximage | 02.03.18–05.03.18 | 27.8 | 62.9 | 35.1 | |||
| Aximage | 03.02.18–06.02.18 | 22.0 | 64.1 | 42.1 | |||
| Eurosondagem | 08.01.18–10.01.18 | 25.1 | 51.3 | 23.6 | 26.2 | ||
| Aximage | 06.01.18–09.01.18 | 33.0 | 55.7 | 8.1 | 1.2 | 2.0 | 22.7 |
| Eurosondagem | 04.12.17–06.12.17 | 26.9 | 51.9 | 21.2 | 25.0 | ||
| Aximage | 01.12.17–04.12.17 | 32.8 | 60.1 | 4.1 | 0.6 | 2.4 | 27.3 |
| Eurosondagem | 06.11.17–08.11.17 | 25.0 | 52.0 | 23.0 | 27.0 | ||
| Aximage | 04.11.17–06.11.17 | 34.1 | 56.2 | 6.4 | 0.7 | 2.6 | 22.1 |
| Aximage | 31.10.16–01.11.16 | 43.0 | 48.1 | 2.6 | 1.3 | 5.0 | 5.1 |
w/ Passos Coelho
| Polling firm/Link | Fieldwork date | .jpg){kind=small} |
|
N | Both/ O |
NO | Lead |
|---|---|---|---|---|---|---|---|
| Aximage | 14.10.17–17.10.17 | 20.8 | 67.6 | 10.1 | 0.4 | 1.1 | 46.8 |
| Aximage | 26.09.17–28.09.17 | 24.4 | 64.0 | 39.6 | |||
| Aximage | 29.08.17–30.08.17 | 23.4 | 65.8 | 9.2 | 0.9 | 0.9 | 42.4 |
| Aximage | 06.07.17–11.07.17 | 23.2 | 66.3 | 43.1 | |||
| Aximage | 07.06.17–11.06.17 | 22.2 | 69.1 | 6.8 | 0.7 | 1.2 | 46.9 |
| Aximage | 05.05.17–08.05.17 | 23.3 | 66.2 | 8.4 | 0.7 | 1.4 | 42.9 |
| Aximage | 02.04.17–04.04.17 | 24.1 | 67.5 | 43.4 | |||
| Aximage | 04.03.17–06.03.17 | 26.2 | 63.6 | 8.8 | 0.6 | 0.8 | 37.4 |
| Aximage | 05.02.17–08.02.17 | 25.0 | 66.1 | 7.5 | 0.7 | 0.7 | 41.1 |
| Aximage | 06.01.17–09.01.17 | 23.7 | 64.3 | 40.6 | |||
| Aximage | 02.12.16–04.12.16 | 26.5 | 61.6 | 10.5 | 0.6 | 0.8 | 35.1 |
| Aximage | 31.10.16–01.11.16 | 30.8 | 55.4 | 0.4 | 12.5 | 0.9 | 24.6 |
| Aximage | 01.10.16–03.10.16 | 32.8 | 54.0 | 0.4 | 12.1 | 0.7 | 21.2 |
| Aximage | 02.09.16–05.09.16 | 31.2 | 57.3 | 0.4 | 10.3 | 0.8 | 26.1 |
| Aximage | 15.07.16–17.07.16 | 31.6 | 56.8 | 0.8 | 9.5 | 1.3 | 25.2 |
| Aximage | 30.05.16–01.06.16 | 35.2 | 55.2 | 7.4 | 1.4 | 0.8 | 20.0 |
| Aximage | 07.05.16–09.05.16 | 36.1 | 54.5 | 4.9 | 3.5 | 1.0 | 18.4 |
| Aximage | 02.04.16–03.04.16 | 38.8 | 50.8 | 8.4 | 0.5 | 1.5 | 12.0 |
| Aximage | 01.03.16–04.03.16 | 41.6 | 47.8 | 8.4 | 0.5 | 1.7 | 6.2 |
| Aximage | 30.01.16–31.01.16 | 41.9 | 48.1 | 7.6 | 0.7 | 1.7 | 6.2 |
| Aximage | 02.01.16–05.01.16 | 38.9 | 48.3 | 9.5 | 1.1 | 2.2 | 9.4 |
| Aximage | 28.11.15–02.12.15 | 44.3 | 43.2 | 10.5 | 0.6 | 1.4 | 1.1 |
| Aximage | 31.10.15–04.11.15 | 45.5 | 39.6 | 13.7 | 0.2 | 1.0 | 5.9 |
w/ Santana Lopes
| Polling firm/Link | Fieldwork date |  |
|
N | Both/ O |
NO | Lead |
|---|---|---|---|---|---|---|---|
| Eurosondagem | 08.01.18–10.01.18 | 29.6 | 51.7 | 23.6 | 22.1 | ||
| Aximage | 06.01.18–09.01.18 | 19.0 | 71.0 | 8.5 | 0.1 | 1.4 | 52.0 |
| Eurosondagem | 04.12.17–06.12.17 | 30.2 | 52.7 | 17.1 | 22.5 | ||
| Aximage | 01.12.17–04.12.17 | 19.7 | 71.7 | 6.6 | 0.0 | 2.0 | 52.0 |
| Eurosondagem | 06.11.17–08.11.17 | 27.5 | 52.5 | 20.0 | 25.0 | ||
| Aximage | 04.11.17–06.11.17 | 21.9 | 68.4 | 7.0 | 0.0 | 2.7 | 46.5 |
External links
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