Portugal: according to the poll average, Chega leads with 27.3%, followed by PS (26.9%) and AD (PSD/CDS) (22.4%). Updated 12.10.2026.
Portugal: Parliamentary election
Published polls by the polling firms; see the source list below
Poll average: last 10 days
- Chega 27.3%=
- PS 26.9%▼ 0.6
- AD (PSD/CDS) 22.4%▼ 1.5
- IL 6.8%▲ 0.1
- Livre 3.8%–
- CDU 2.8%=
- PAN 2.4%▲ 1.4
- BE 2.1%▲ 0.4
Weighted poll average for the last 10 days (3 Oct 2026 – 12 Oct 2026). Arrow: change compared with the previous 10 days.
Poll trend
Individual polls (35)
| Date | Pollster | Sample | Chega | PS | AD (PSD/CDS) | IL | Livre | CDU | PAN | BE |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 Oct 2026 | Intercampus | – | 24.0% | 24.4% | 21.7% | 8.0% | 5.5% | 4.7% | 4.1% | 2.8% |
| 7 Oct 2026 | Aximage | – | 30.7% | 28.9% | 21.7% | 5.6% | 3.3% | 1.8% | 2.0% | 1.7% |
| 5 Oct 2026 | Pitagórica | – | 27.3% | 27.5% | 23.9% | 6.7% | 2.7% | 1.8% | 1.0% | 1.7% |
| 28 Sep 2026 | Pitagórica | 804 | 27.3% | 27.5% | 23.9% | 6.7% | – | 2.8% | 1.0% | 1.7% |
| 18 Sep 2026 | Pitagórica | 804 | 27.3% | 27.9% | 25.1% | 6.5% | – | 2.0% | 0.7% | 1.6% |
| 15 Sep 2026 | Aximage | 500 | 28.6% | 29.1% | 21.9% | 6.3% | – | 1.7% | 2.5% | 0.9% |
| 14 Sep 2026 | Intercampus | 609 | 23.9% | 27.5% | 23.4% | 9.9% | – | 2.2% | 2.0% | 2.8% |
| 12 Sep 2026 | Pitagórica | 804 | 27.6% | 28.6% | 24.3% | 6.7% | – | 2.3% | 1.3% | 1.4% |
| 7 Sep 2026 | Aximage | 1,109 | 25.4% | 29.7% | 20.9% | 7.9% | – | 3.0% | 2.4% | 1.6% |
| 4 Sep 2026 | Pitagórica | 804 | 27.1% | 27.9% | 25.7% | 6.1% | – | 2.4% | 1.3% | 2.2% |
| 31 Jul 2026 | Intercampus | 803 | 24.4% | 26.9% | 22.2% | 8.1% | – | 3.0% | 3.2% | 3.0% |
| 27 Jul 2026 | Aximage | 802 | 26.2% | 28.7% | 25.0% | 7.4% | – | 2.3% | 1.0% | 1.8% |
| 21 Jul 2026 | Aximage | 501 | 26.4% | 29.2% | 23.2% | 7.4% | – | 1.8% | 2.1% | 1.3% |
| 14 Jul 2026 | Intercampus | 604 | 22.1% | 26.6% | 22.8% | 8.7% | – | 4.7% | 2.9% | 2.1% |
| 10 Jul 2026 | CESOP-UCP | – | 21.0% | 29.0% | 29.0% | 8.0% | 6.0% | 3.0% | – | 2.0% |
Show all polls (35)
| Date | Pollster | Sample | Chega | PS | AD (PSD/CDS) | IL | Livre | CDU | PAN | BE |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 Jun 2026 | Aximage | 500 | 23.6% | 29.3% | 25.3% | 6.5% | – | 1.6% | 2.2% | 1.5% |
| 16 Jun 2026 | Intercampus | 609 | 23.3% | 27.9% | 22.4% | 7.8% | – | 3.4% | 2.6% | 2.9% |
| 13 Jun 2026 | Aximage | 817 | 25.0% | 29.5% | 27.2% | 7.1% | – | 1.5% | 1.6% | 2.1% |
| 24 May 2026 | ICS/ISCTE | – | 20.0% | 31.0% | 27.0% | 3.0% | 3.0% | 5.0% | 2.0% | 2.0% |
| 19 May 2026 | Aximage | 505 | 23.5% | 33.4% | 23.2% | 6.3% | – | 2.4% | 1.3% | 1.3% |
| 14 May 2026 | Intercampus | 606 | 21.6% | 26.4% | 25.6% | 7.8% | – | 4.0% | 2.4% | 4.0% |
| 7 May 2026 | Aximage | 803 | 25.0% | 31.0% | 25.1% | 5.6% | – | 2.1% | 2.3% | 1.4% |
| 15 Apr 2026 | Aximage | 500 | 23.6% | 30.6% | 24.3% | 7.0% | – | 2.5% | 1.8% | 0.8% |
| 14 Apr 2026 | Intercampus | 608 | 21.9% | 26.9% | 23.7% | 8.3% | – | 4.5% | 3.0% | 3.0% |
| 8 Mar 2026 | ICS/ISCTE | 801 | 25.0% | 29.0% | 29.0% | 5.0% | – | 4.0% | 1.0% | 2.0% |
| 3 Mar 2026 | Aximage | 551 | 25.8% | 27.0% | 26.6% | 7.4% | – | 2.7% | 1.3% | 0.9% |
| 13 Jan 2026 | Intercampus | 806 | 25.1% | 23.4% | 26.3% | 9.4% | – | 2.2% | 1.3% | 1.8% |
| 19 Dec 2025 | Pitagórica | 1,000 | 22.6% | 23.1% | 29.7% | 7.3% | – | 2.6% | 0.5% | 1.3% |
| 16 Dec 2025 | Intercampus | 611 | 23.5% | 25.4% | 25.6% | 9.1% | – | 3.3% | 1.4% | 3.1% |
| 12 Dec 2025 | CESOP–UCP | 1,185 | 24.0% | 23.0% | 29.0% | 9.0% | – | 3.0% | 1.0% | 2.0% |
| 19 Nov 2025 | Intercampus | 611 | 23.6% | 25.2% | 26.1% | 8.0% | – | 3.9% | 2.5% | 1.9% |
| 17 Nov 2025 | ICS/ISCTE | 807 | 24.0% | 28.0% | 31.0% | 4.0% | – | 3.0% | 0.0% | 2.0% |
| 14 Nov 2025 | Pitagórica | 1,000 | 16.7% | 26.4% | 38.5% | 5.3% | – | 2.4% | 0.9% | 0.7% |
| 27 Oct 2025 | Aximage | 651 | 21.9% | 23.8% | 32.4% | 5.9% | – | 3.2% | 2.0% | 1.3% |
| 26 Oct 2025 | Intercampus | 609 | 24.4% | 25.4% | 28.0% | 7.0% | – | 4.0% | 3.0% | 1.4% |
Pollsters: deviation from the average
| Pollster | Polls | Chega | PS | AD (PSD/CDS) | IL |
|---|---|---|---|---|---|
| Aximage | 12 | +1.2 | +0.7 | -0.5 | -0.1 |
| Intercampus | 11 | -0.4 | -1.2 | -2.0 | +1.2 |
| Pitagórica | 7 | -0.5 | -0.2 | +1.7 | -0.5 |
| ICS/ISCTE | 3 | -0.1 | +0.8 | +0.5 | -1.3 |
A positive number means the pollster gives the party more, on average, than the local trend of other polls (percentage points, adjusted for the number of polls). You can switch on the adjustment in the chart.
Data sources 6 polling firms
All figures are results published by the polling firms themselves. The portal collects and checks them and weights the average by sample size. Objavljene ankete agencija, prikupljeno s PolitPro.eu i Wikipedije.
Polling firms
- Aximage12 anketa · 7 Oct 2026
- Intercampus11 anketa · 12 Oct 2026
- Pitagórica7 anketa · 5 Oct 2026
- ICS/ISCTE3 anketa · 24 May 2026
- CESOP-UCP1 anketa · 10 Jul 2026
- CESOP–UCP1 anketa · 12 Dec 2025
Compilations and official sources
Download data: CSV · JSON · All sources and methodology
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About the country
Portugal (capital: Lisabon). The national parliament is the Assembleia da República. The last national election was held on 18 May 2025.
This page shows the average of published opinion polls, the trend of party support over time and the list of individual polls with their sources.
- Capital
- Lisbon
- Parliament
- Assembleia da República
- Last election
- 18.05.2025
- European Parliament seats
- 21
Frequently asked questions
Who is leading the polls in Portugal?
According to the weighted average of recent polls, Chega (27.3%) is in first place, followed by PS 26.9%, AD (PSD/CDS) 22.4%, IL 6.8%. Last poll: 12.10.2026.
How many polls are included for Portugal?
The page includes 35 published polls from 6 polling firms (Intercampus, Aximage, Pitagórica, ICS/ISCTE, CESOP–UCP, CESOP-UCP), from 26.10.2025 to 12.10.2026.
How is the poll average calculated?
Polls from the last 10 days are averaged, with newer polls and larger samples weighted more heavily; each pollster counts once. Full details are on the methodology page.