Opinion Poll by Intercampus for Correio da Manhã, 7–14 September 2026
Voting Intentions | Seats | Coalitions | Technical Information
Voting Intentions

Confidence Intervals
| Party | Last Result | Poll Result | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|
| Partido Socialista (S&D) | 0.0% | 27.5% | 25.1–30.0% | 24.5–30.7% | 23.9–31.4% | 22.8–32.6% |
| Chega (PfE) | 0.0% | 23.8% | 21.6–26.3% | 21.0–27.0% | 20.4–27.6% | 19.4–28.8% |
| Aliança Democrática (EPP) | 0.0% | 23.4% | 21.2–25.9% | 20.6–26.6% | 20.1–27.2% | 19.1–28.4% |
| Iniciativa Liberal (RE) | 0.0% | 9.9% | 8.4–11.7% | 8.0–12.2% | 7.7–12.7% | 7.0–13.6% |
| LIVRE (Greens/EFA) | 0.0% | 4.0% | 3.1–5.3% | 2.9–5.7% | 2.7–6.0% | 2.3–6.7% |
| Bloco de Esquerda (GUE/NGL) | 0.0% | 2.7% | 2.0–3.9% | 1.8–4.2% | 1.7–4.5% | 1.4–5.1% |
| Coligação Democrática Unitária (GUE/NGL) | 0.0% | 2.4% | 1.7–3.5% | 1.5–3.8% | 1.4–4.0% | 1.1–4.6% |
| Pessoas–Animais–Natureza (Greens/EFA) | 0.0% | 2.2% | 1.6–3.2% | 1.4–3.5% | 1.3–3.8% | 1.0–4.4% |
Note: The poll result column reflects the actual value used in the calculations. Published results may vary slightly, and in addition be rounded to fewer digits.
Seats


Confidence Intervals
| Party | Last Result | Median | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|
| Partido Socialista (S&D) | 0 | 7 | 6–7 | 6–7 | 6–8 | 5–8 |
| Chega (PfE) | 0 | 6 | 5–6 | 5–6 | 5–7 | 4–7 |
| Aliança Democrática (EPP) | 0 | 5 | 5–6 | 5–6 | 5–7 | 4–7 |
| Iniciativa Liberal (RE) | 0 | 2 | 2 | 2–3 | 1–3 | 1–3 |
| LIVRE (Greens/EFA) | 0 | 1 | 0–1 | 0–1 | 0–1 | 0–1 |
| Bloco de Esquerda (GUE/NGL) | 0 | 0 | 0 | 0–1 | 0–1 | 0–1 |
| Coligação Democrática Unitária (GUE/NGL) | 0 | 0 | 0 | 0 | 0–1 | 0–1 |
| Pessoas–Animais–Natureza (Greens/EFA) | 0 | 0 | 0 | 0 | 0 | 0–1 |
Partido Socialista (S&D)
For a full overview of the results for this party, see the Partido Socialista (S&D) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 0% | 100% | |
| 2 | 0% | 100% | |
| 3 | 0% | 100% | |
| 4 | 0% | 100% | |
| 5 | 2% | 100% | |
| 6 | 46% | 98% | |
| 7 | 49% | 52% | Median |
| 8 | 3% | 3% | |
| 9 | 0% | 0% |
Chega (PfE)
For a full overview of the results for this party, see the Chega (PfE) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 0% | 100% | |
| 2 | 0% | 100% | |
| 3 | 0% | 100% | |
| 4 | 1.0% | 100% | |
| 5 | 44% | 99.0% | |
| 6 | 52% | 55% | Median |
| 7 | 3% | 3% | |
| 8 | 0% | 0% |
Aliança Democrática (EPP)
For a full overview of the results for this party, see the Aliança Democrática (EPP) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 0% | 100% | |
| 2 | 0% | 100% | |
| 3 | 0% | 100% | |
| 4 | 2% | 100% | |
| 5 | 51% | 98% | Median |
| 6 | 44% | 47% | |
| 7 | 3% | 3% | |
| 8 | 0% | 0% |
Iniciativa Liberal (RE)
For a full overview of the results for this party, see the Iniciativa Liberal (RE) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 4% | 100% | |
| 2 | 87% | 96% | Median |
| 3 | 9% | 9% | |
| 4 | 0% | 0% |
LIVRE (Greens/EFA)
For a full overview of the results for this party, see the LIVRE (Greens/EFA) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 38% | 100% | Last Result |
| 1 | 62% | 62% | Median |
| 2 | 0% | 0% |
Bloco de Esquerda (GUE/NGL)
For a full overview of the results for this party, see the Bloco de Esquerda (GUE/NGL) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 91% | 100% | Last Result, Median |
| 1 | 9% | 9% | |
| 2 | 0% | 0% |
Coligação Democrática Unitária (GUE/NGL)
For a full overview of the results for this party, see the Coligação Democrática Unitária (GUE/NGL) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 97% | 100% | Last Result, Median |
| 1 | 3% | 3% | |
| 2 | 0% | 0% |
Pessoas–Animais–Natureza (Greens/EFA)
For a full overview of the results for this party, see the Pessoas–Animais–Natureza (Greens/EFA) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 98% | 100% | Last Result, Median |
| 1 | 2% | 2% | |
| 2 | 0% | 0% |
Coalitions

Confidence Intervals
| Coalition | Last Result | Median | Majority? | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|---|
| Partido Socialista (S&D) | 0 | 7 | 0% | 6–7 | 6–7 | 6–8 | 5–8 |
| Chega (PfE) | 0 | 6 | 0% | 5–6 | 5–6 | 5–7 | 4–7 |
| Bloco de Esquerda (GUE/NGL) – Coligação Democrática Unitária (GUE/NGL) | 0 | 0 | 0% | 0–1 | 0–1 | 0–1 | 0–1 |
| LIVRE (Greens/EFA) – Pessoas–Animais–Natureza (Greens/EFA) | 0 | 1 | 0% | 0–1 | 0–1 | 0–1 | 0–2 |
Partido Socialista (S&D)

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 0% | 100% | |
| 2 | 0% | 100% | |
| 3 | 0% | 100% | |
| 4 | 0% | 100% | |
| 5 | 2% | 100% | |
| 6 | 46% | 98% | |
| 7 | 49% | 52% | Median |
| 8 | 3% | 3% | |
| 9 | 0% | 0% |
Chega (PfE)

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 0% | 100% | |
| 2 | 0% | 100% | |
| 3 | 0% | 100% | |
| 4 | 1.0% | 100% | |
| 5 | 44% | 99.0% | |
| 6 | 52% | 55% | Median |
| 7 | 3% | 3% | |
| 8 | 0% | 0% |
Bloco de Esquerda (GUE/NGL) – Coligação Democrática Unitária (GUE/NGL)

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 87% | 100% | Last Result, Median |
| 1 | 12% | 13% | |
| 2 | 0.2% | 0.2% | |
| 3 | 0% | 0% |
LIVRE (Greens/EFA) – Pessoas–Animais–Natureza (Greens/EFA)

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 37% | 100% | Last Result |
| 1 | 62% | 63% | Median |
| 2 | 1.0% | 1.0% | |
| 3 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: Intercampus
- Commissioner(s): Correio da Manhã
- Fieldwork period: 7–14 September 2026
Calculations
- Sample size: 546
- Simulations done: 2,097,152
- Error estimate: 1.33%