Opinion Poll by Intercampus for Correio da Manhã and Negócios, 6–11 October 2020
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 | 36.4% | 37.5% | 35.1–40.1% | 34.4–40.8% | 33.8–41.4% | 32.6–42.7% |
| Partido Social Democrata | 27.8% | 24.8% | 22.6–27.1% | 22.0–27.7% | 21.5–28.3% | 20.5–29.5% |
| Bloco de Esquerda | 9.5% | 11.0% | 9.5–12.8% | 9.1–13.3% | 8.8–13.7% | 8.1–14.6% |
| Chega | 1.3% | 7.8% | 6.5–9.3% | 6.2–9.8% | 5.9–10.2% | 5.4–10.9% |
| Coligação Democrática Unitária | 6.3% | 4.4% | 3.5–5.6% | 3.2–6.0% | 3.0–6.3% | 2.6–6.9% |
| CDS–Partido Popular | 4.2% | 4.0% | 3.2–5.3% | 3.0–5.6% | 2.8–5.9% | 2.4–6.5% |
| Pessoas–Animais–Natureza | 3.3% | 4.0% | 3.2–5.3% | 3.0–5.6% | 2.8–5.9% | 2.4–6.5% |
| Iniciativa Liberal | 1.3% | 2.4% | 1.8–3.4% | 1.6–3.7% | 1.5–4.0% | 1.2–4.5% |
| LIVRE | 1.1% | 0.3% | 0.2–0.9% | 0.1–1.0% | 0.1–1.2% | 0.0–1.5% |
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 | 108 | 109 | 102–116 | 99–117 | 98–120 | 93–124 |
| Partido Social Democrata | 79 | 68 | 61–75 | 58–77 | 57–79 | 54–82 |
| Bloco de Esquerda | 19 | 23 | 19–27 | 18–28 | 17–30 | 16–33 |
| Chega | 1 | 13 | 11–18 | 11–19 | 10–20 | 8–23 |
| Coligação Democrática Unitária | 12 | 6 | 4–8 | 4–10 | 3–11 | 2–14 |
| CDS–Partido Popular | 5 | 4 | 2–5 | 2–6 | 1–8 | 1–10 |
| Pessoas–Animais–Natureza | 4 | 4 | 3–6 | 3–8 | 2–9 | 2–11 |
| Iniciativa Liberal | 1 | 3 | 2–4 | 1–4 | 1–5 | 1–6 |
| LIVRE | 1 | 0 | 0 | 0 | 0–1 | 0–1 |
Partido Socialista
For a full overview of the results for this party, see the Partido Socialista page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 88 | 0% | 100% | |
| 89 | 0% | 99.9% | |
| 90 | 0.1% | 99.9% | |
| 91 | 0% | 99.8% | |
| 92 | 0.2% | 99.8% | |
| 93 | 0.1% | 99.6% | |
| 94 | 0.3% | 99.5% | |
| 95 | 0.3% | 99.2% | |
| 96 | 0.3% | 98.9% | |
| 97 | 1.0% | 98.5% | |
| 98 | 2% | 98% | |
| 99 | 3% | 96% | |
| 100 | 2% | 93% | |
| 101 | 0.9% | 91% | |
| 102 | 8% | 90% | |
| 103 | 5% | 83% | |
| 104 | 5% | 78% | |
| 105 | 4% | 73% | |
| 106 | 4% | 69% | |
| 107 | 5% | 65% | |
| 108 | 7% | 60% | Last Result |
| 109 | 11% | 53% | Median |
| 110 | 12% | 41% | |
| 111 | 5% | 29% | |
| 112 | 4% | 24% | |
| 113 | 4% | 19% | |
| 114 | 2% | 16% | |
| 115 | 2% | 14% | |
| 116 | 6% | 12% | Majority |
| 117 | 2% | 6% | |
| 118 | 0.4% | 4% | |
| 119 | 0.6% | 4% | |
| 120 | 0.5% | 3% | |
| 121 | 1.4% | 2% | |
| 122 | 0.4% | 1.1% | |
| 123 | 0.1% | 0.7% | |
| 124 | 0.2% | 0.6% | |
| 125 | 0.2% | 0.4% | |
| 126 | 0.1% | 0.3% | |
| 127 | 0.1% | 0.2% | |
| 128 | 0% | 0% |
Partido Social Democrata
For a full overview of the results for this party, see the Partido Social Democrata page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 51 | 0% | 100% | |
| 52 | 0.1% | 99.9% | |
| 53 | 0.1% | 99.9% | |
| 54 | 0.3% | 99.8% | |
| 55 | 0.3% | 99.5% | |
| 56 | 0.8% | 99.2% | |
| 57 | 1.0% | 98% | |
| 58 | 3% | 97% | |
| 59 | 1.4% | 95% | |
| 60 | 3% | 93% | |
| 61 | 3% | 90% | |
| 62 | 4% | 87% | |
| 63 | 3% | 83% | |
| 64 | 7% | 80% | |
| 65 | 12% | 73% | |
| 66 | 5% | 61% | |
| 67 | 5% | 55% | |
| 68 | 12% | 50% | Median |
| 69 | 6% | 39% | |
| 70 | 8% | 33% | |
| 71 | 4% | 25% | |
| 72 | 4% | 20% | |
| 73 | 2% | 17% | |
| 74 | 0.8% | 15% | |
| 75 | 5% | 14% | |
| 76 | 2% | 9% | |
| 77 | 4% | 7% | |
| 78 | 0.3% | 3% | |
| 79 | 0.9% | 3% | Last Result |
| 80 | 0.9% | 2% | |
| 81 | 0.5% | 1.2% | |
| 82 | 0.3% | 0.7% | |
| 83 | 0.1% | 0.4% | |
| 84 | 0.1% | 0.3% | |
| 85 | 0% | 0.1% | |
| 86 | 0% | 0.1% | |
| 87 | 0% | 0.1% | |
| 88 | 0% | 0.1% | |
| 89 | 0% | 0% |
Bloco de Esquerda
For a full overview of the results for this party, see the Bloco de Esquerda page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 0.1% | 100% | |
| 15 | 0.3% | 99.9% | |
| 16 | 0.9% | 99.6% | |
| 17 | 2% | 98.7% | |
| 18 | 4% | 97% | |
| 19 | 8% | 93% | Last Result |
| 20 | 6% | 85% | |
| 21 | 9% | 78% | |
| 22 | 17% | 69% | |
| 23 | 19% | 51% | Median |
| 24 | 8% | 32% | |
| 25 | 9% | 25% | |
| 26 | 4% | 16% | |
| 27 | 7% | 12% | |
| 28 | 2% | 5% | |
| 29 | 0.7% | 3% | |
| 30 | 0.8% | 3% | |
| 31 | 0.7% | 2% | |
| 32 | 0.3% | 1.1% | |
| 33 | 0.3% | 0.8% | |
| 34 | 0.2% | 0.5% | |
| 35 | 0.1% | 0.3% | |
| 36 | 0.1% | 0.2% | |
| 37 | 0.1% | 0.1% | |
| 38 | 0% | 0% |
Chega
For a full overview of the results for this party, see the Chega page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 1 | 0% | 100% | Last Result |
| 2 | 0% | 100% | |
| 3 | 0% | 100% | |
| 4 | 0% | 100% | |
| 5 | 0% | 100% | |
| 6 | 0% | 100% | |
| 7 | 0.1% | 100% | |
| 8 | 1.1% | 99.9% | |
| 9 | 0.9% | 98.8% | |
| 10 | 2% | 98% | |
| 11 | 31% | 95% | |
| 12 | 7% | 64% | |
| 13 | 18% | 57% | Median |
| 14 | 17% | 39% | |
| 15 | 3% | 22% | |
| 16 | 2% | 20% | |
| 17 | 6% | 17% | |
| 18 | 2% | 11% | |
| 19 | 6% | 9% | |
| 20 | 2% | 4% | |
| 21 | 1.2% | 2% | |
| 22 | 0.3% | 0.9% | |
| 23 | 0.4% | 0.6% | |
| 24 | 0.2% | 0.3% | |
| 25 | 0.1% | 0.1% | |
| 26 | 0% | 0% |
Coligação Democrática Unitária
For a full overview of the results for this party, see the Coligação Democrática Unitária page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 2 | 1.0% | 100% | |
| 3 | 3% | 99.0% | |
| 4 | 7% | 96% | |
| 5 | 22% | 89% | |
| 6 | 32% | 67% | Median |
| 7 | 18% | 36% | |
| 8 | 9% | 18% | |
| 9 | 2% | 8% | |
| 10 | 4% | 7% | |
| 11 | 0.4% | 3% | |
| 12 | 1.1% | 2% | Last Result |
| 13 | 0.3% | 1.1% | |
| 14 | 0.7% | 0.7% | |
| 15 | 0% | 0% |
CDS–Partido Popular
For a full overview of the results for this party, see the CDS–Partido Popular page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 1 | 3% | 100% | |
| 2 | 20% | 97% | |
| 3 | 15% | 77% | |
| 4 | 15% | 62% | Median |
| 5 | 41% | 48% | Last Result |
| 6 | 2% | 7% | |
| 7 | 2% | 5% | |
| 8 | 2% | 3% | |
| 9 | 0.9% | 2% | |
| 10 | 0.5% | 0.7% | |
| 11 | 0.1% | 0.3% | |
| 12 | 0.1% | 0.2% | |
| 13 | 0.1% | 0.1% | |
| 14 | 0% | 0% |
Pessoas–Animais–Natureza
For a full overview of the results for this party, see the Pessoas–Animais–Natureza page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 2 | 5% | 100% | |
| 3 | 13% | 95% | |
| 4 | 33% | 82% | Last Result, Median |
| 5 | 8% | 49% | |
| 6 | 33% | 41% | |
| 7 | 1.2% | 8% | |
| 8 | 3% | 7% | |
| 9 | 3% | 4% | |
| 10 | 0.5% | 1.1% | |
| 11 | 0.5% | 0.7% | |
| 12 | 0.1% | 0.1% | |
| 13 | 0% | 0% |
Iniciativa Liberal
For a full overview of the results for this party, see the Iniciativa Liberal page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0.1% | 100% | |
| 1 | 8% | 99.9% | Last Result |
| 2 | 9% | 92% | |
| 3 | 67% | 83% | Median |
| 4 | 11% | 16% | |
| 5 | 4% | 5% | |
| 6 | 0.9% | 0.9% | |
| 7 | 0% | 0% |
LIVRE
For a full overview of the results for this party, see the LIVRE page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 96% | 100% | Median |
| 1 | 4% | 4% | Last Result |
| 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 – Bloco de Esquerda – Coligação Democrática Unitária | 139 | 138 | 100% | 130–144 | 128–146 | 126–148 | 122–152 |
| Partido Socialista – Bloco de Esquerda | 127 | 132 | 99.6% | 123–137 | 122–139 | 120–143 | 116–145 |
| Partido Socialista – Coligação Democrática Unitária | 120 | 115 | 43% | 107–121 | 105–124 | 103–126 | 99–131 |
| Partido Socialista | 108 | 109 | 12% | 102–116 | 99–117 | 98–120 | 93–124 |
| Partido Social Democrata – CDS–Partido Popular | 84 | 71 | 0% | 64–79 | 63–82 | 61–82 | 58–87 |
Partido Socialista – Bloco de Esquerda – Coligação Democrática Unitária

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 116 | 0% | 100% | Majority |
| 117 | 0% | 99.9% | |
| 118 | 0% | 99.9% | |
| 119 | 0.1% | 99.9% | |
| 120 | 0% | 99.8% | |
| 121 | 0.2% | 99.8% | |
| 122 | 0.2% | 99.6% | |
| 123 | 0.2% | 99.4% | |
| 124 | 0.5% | 99.2% | |
| 125 | 0.4% | 98.7% | |
| 126 | 2% | 98% | |
| 127 | 2% | 97% | |
| 128 | 1.3% | 95% | |
| 129 | 3% | 94% | |
| 130 | 5% | 91% | |
| 131 | 8% | 86% | |
| 132 | 2% | 78% | |
| 133 | 3% | 76% | |
| 134 | 5% | 73% | |
| 135 | 3% | 68% | |
| 136 | 5% | 65% | |
| 137 | 7% | 60% | |
| 138 | 6% | 54% | Median |
| 139 | 11% | 48% | Last Result |
| 140 | 9% | 37% | |
| 141 | 6% | 27% | |
| 142 | 6% | 21% | |
| 143 | 4% | 16% | |
| 144 | 3% | 12% | |
| 145 | 4% | 9% | |
| 146 | 0.9% | 5% | |
| 147 | 1.0% | 5% | |
| 148 | 1.1% | 3% | |
| 149 | 1.2% | 2% | |
| 150 | 0.3% | 1.2% | |
| 151 | 0.2% | 0.9% | |
| 152 | 0.4% | 0.7% | |
| 153 | 0.1% | 0.3% | |
| 154 | 0% | 0.1% | |
| 155 | 0% | 0.1% | |
| 156 | 0% | 0.1% | |
| 157 | 0% | 0% |
Partido Socialista – Bloco de Esquerda

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 110 | 0% | 100% | |
| 111 | 0% | 99.9% | |
| 112 | 0% | 99.9% | |
| 113 | 0.1% | 99.9% | |
| 114 | 0.1% | 99.8% | |
| 115 | 0.1% | 99.7% | |
| 116 | 0.3% | 99.6% | Majority |
| 117 | 0.5% | 99.4% | |
| 118 | 0.3% | 98.8% | |
| 119 | 0.4% | 98.5% | |
| 120 | 0.9% | 98% | |
| 121 | 1.1% | 97% | |
| 122 | 3% | 96% | |
| 123 | 5% | 93% | |
| 124 | 2% | 88% | |
| 125 | 3% | 87% | |
| 126 | 9% | 83% | |
| 127 | 6% | 74% | Last Result |
| 128 | 1.1% | 69% | |
| 129 | 5% | 68% | |
| 130 | 4% | 63% | |
| 131 | 4% | 58% | |
| 132 | 12% | 54% | Median |
| 133 | 9% | 42% | |
| 134 | 10% | 33% | |
| 135 | 2% | 23% | |
| 136 | 3% | 20% | |
| 137 | 9% | 17% | |
| 138 | 1.2% | 8% | |
| 139 | 2% | 7% | |
| 140 | 0.8% | 5% | |
| 141 | 0.9% | 4% | |
| 142 | 0.4% | 3% | |
| 143 | 2% | 3% | |
| 144 | 0.3% | 1.0% | |
| 145 | 0.2% | 0.7% | |
| 146 | 0.2% | 0.5% | |
| 147 | 0.1% | 0.3% | |
| 148 | 0.1% | 0.2% | |
| 149 | 0% | 0.1% | |
| 150 | 0% | 0% |
Partido Socialista – Coligação Democrática Unitária

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 94 | 0% | 100% | |
| 95 | 0% | 99.9% | |
| 96 | 0% | 99.9% | |
| 97 | 0.1% | 99.9% | |
| 98 | 0.1% | 99.8% | |
| 99 | 0.3% | 99.7% | |
| 100 | 0.2% | 99.4% | |
| 101 | 0.4% | 99.2% | |
| 102 | 0.2% | 98.8% | |
| 103 | 2% | 98.6% | |
| 104 | 1.4% | 97% | |
| 105 | 1.5% | 95% | |
| 106 | 2% | 94% | |
| 107 | 6% | 92% | |
| 108 | 3% | 86% | |
| 109 | 4% | 83% | |
| 110 | 4% | 79% | |
| 111 | 6% | 76% | |
| 112 | 5% | 70% | |
| 113 | 3% | 65% | |
| 114 | 5% | 62% | |
| 115 | 14% | 58% | Median |
| 116 | 9% | 43% | Majority |
| 117 | 6% | 34% | |
| 118 | 6% | 28% | |
| 119 | 5% | 22% | |
| 120 | 2% | 17% | Last Result |
| 121 | 6% | 15% | |
| 122 | 2% | 9% | |
| 123 | 1.1% | 7% | |
| 124 | 2% | 6% | |
| 125 | 0.6% | 4% | |
| 126 | 0.8% | 3% | |
| 127 | 1.1% | 2% | |
| 128 | 0.2% | 1.2% | |
| 129 | 0.2% | 1.0% | |
| 130 | 0.3% | 0.8% | |
| 131 | 0.3% | 0.5% | |
| 132 | 0.1% | 0.2% | |
| 133 | 0.1% | 0.1% | |
| 134 | 0% | 0.1% | |
| 135 | 0% | 0% |
Partido Socialista

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 88 | 0% | 100% | |
| 89 | 0% | 99.9% | |
| 90 | 0.1% | 99.9% | |
| 91 | 0% | 99.8% | |
| 92 | 0.2% | 99.8% | |
| 93 | 0.1% | 99.6% | |
| 94 | 0.3% | 99.5% | |
| 95 | 0.3% | 99.2% | |
| 96 | 0.3% | 98.9% | |
| 97 | 1.0% | 98.5% | |
| 98 | 2% | 98% | |
| 99 | 3% | 96% | |
| 100 | 2% | 93% | |
| 101 | 0.9% | 91% | |
| 102 | 8% | 90% | |
| 103 | 5% | 83% | |
| 104 | 5% | 78% | |
| 105 | 4% | 73% | |
| 106 | 4% | 69% | |
| 107 | 5% | 65% | |
| 108 | 7% | 60% | Last Result |
| 109 | 11% | 53% | Median |
| 110 | 12% | 41% | |
| 111 | 5% | 29% | |
| 112 | 4% | 24% | |
| 113 | 4% | 19% | |
| 114 | 2% | 16% | |
| 115 | 2% | 14% | |
| 116 | 6% | 12% | Majority |
| 117 | 2% | 6% | |
| 118 | 0.4% | 4% | |
| 119 | 0.6% | 4% | |
| 120 | 0.5% | 3% | |
| 121 | 1.4% | 2% | |
| 122 | 0.4% | 1.1% | |
| 123 | 0.1% | 0.7% | |
| 124 | 0.2% | 0.6% | |
| 125 | 0.2% | 0.4% | |
| 126 | 0.1% | 0.3% | |
| 127 | 0.1% | 0.2% | |
| 128 | 0% | 0% |
Partido Social Democrata – CDS–Partido Popular

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 55 | 0% | 100% | |
| 56 | 0.1% | 99.9% | |
| 57 | 0.1% | 99.8% | |
| 58 | 0.3% | 99.7% | |
| 59 | 0.5% | 99.4% | |
| 60 | 0.6% | 98.9% | |
| 61 | 1.3% | 98% | |
| 62 | 2% | 97% | |
| 63 | 2% | 95% | |
| 64 | 4% | 94% | |
| 65 | 2% | 89% | |
| 66 | 2% | 87% | |
| 67 | 10% | 85% | |
| 68 | 5% | 74% | |
| 69 | 5% | 69% | |
| 70 | 11% | 64% | |
| 71 | 5% | 53% | |
| 72 | 6% | 49% | Median |
| 73 | 11% | 43% | |
| 74 | 5% | 32% | |
| 75 | 4% | 27% | |
| 76 | 4% | 23% | |
| 77 | 3% | 19% | |
| 78 | 5% | 16% | |
| 79 | 2% | 10% | |
| 80 | 1.2% | 9% | |
| 81 | 2% | 8% | |
| 82 | 4% | 6% | |
| 83 | 0.3% | 2% | |
| 84 | 0.4% | 2% | Last Result |
| 85 | 0.6% | 1.5% | |
| 86 | 0.3% | 0.9% | |
| 87 | 0.4% | 0.6% | |
| 88 | 0.1% | 0.3% | |
| 89 | 0.1% | 0.2% | |
| 90 | 0% | 0.1% | |
| 91 | 0% | 0.1% | |
| 92 | 0% | 0.1% | |
| 93 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: Intercampus
- Commissioner(s): Correio da Manhã and Negócios
- Fieldwork period: 6–11 October 2020
Calculations
- Sample size: 618
- Simulations done: 1,048,576
- Error estimate: 1.51%