Opinion Poll by Aximage, 22–26 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% | 35.6% | 33.3–38.0% | 32.7–38.7% | 32.1–39.2% | 31.0–40.4% |
| Partido Social Democrata | 27.8% | 27.1% | 25.0–29.3% | 24.4–30.0% | 23.9–30.5% | 22.9–31.6% |
| Bloco de Esquerda | 9.5% | 10.1% | 8.7–11.7% | 8.4–12.2% | 8.1–12.6% | 7.5–13.4% |
| Coligação Democrática Unitária | 6.3% | 5.8% | 4.8–7.1% | 4.5–7.4% | 4.3–7.8% | 3.8–8.4% |
| Chega | 1.3% | 5.5% | 4.5–6.8% | 4.2–7.1% | 4.0–7.4% | 3.6–8.1% |
| Pessoas–Animais–Natureza | 3.3% | 5.2% | 4.3–6.4% | 4.0–6.8% | 3.8–7.1% | 3.4–7.7% |
| Iniciativa Liberal | 1.3% | 3.2% | 2.5–4.2% | 2.3–4.5% | 2.1–4.8% | 1.8–5.3% |
| CDS–Partido Popular | 4.2% | 1.2% | 0.8–1.9% | 0.7–2.1% | 0.6–2.3% | 0.4–2.7% |
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 | 102 | 96–110 | 93–112 | 91–114 | 86–117 |
| Partido Social Democrata | 79 | 76 | 68–83 | 66–85 | 65–88 | 63–91 |
| Bloco de Esquerda | 19 | 21 | 18–24 | 16–25 | 15–27 | 14–30 |
| Coligação Democrática Unitária | 12 | 10 | 7–14 | 6–14 | 6–15 | 5–17 |
| Chega | 1 | 8 | 5–11 | 4–11 | 4–11 | 3–14 |
| Pessoas–Animais–Natureza | 4 | 8 | 5–11 | 4–12 | 4–12 | 4–13 |
| Iniciativa Liberal | 1 | 4 | 3–6 | 3–6 | 3–6 | 1–7 |
| CDS–Partido Popular | 5 | 0 | 0–1 | 0–1 | 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 |
|---|---|---|---|
| 82 | 0% | 100% | |
| 83 | 0% | 99.9% | |
| 84 | 0.1% | 99.9% | |
| 85 | 0.1% | 99.8% | |
| 86 | 0.2% | 99.7% | |
| 87 | 0.4% | 99.5% | |
| 88 | 0.5% | 99.1% | |
| 89 | 0.4% | 98.6% | |
| 90 | 0.5% | 98% | |
| 91 | 0.7% | 98% | |
| 92 | 0.7% | 97% | |
| 93 | 1.5% | 96% | |
| 94 | 3% | 95% | |
| 95 | 2% | 92% | |
| 96 | 4% | 90% | |
| 97 | 4% | 86% | |
| 98 | 6% | 83% | |
| 99 | 6% | 77% | |
| 100 | 8% | 71% | |
| 101 | 4% | 63% | |
| 102 | 11% | 59% | Median |
| 103 | 9% | 48% | |
| 104 | 7% | 38% | |
| 105 | 5% | 32% | |
| 106 | 5% | 27% | |
| 107 | 5% | 22% | |
| 108 | 2% | 17% | Last Result |
| 109 | 4% | 15% | |
| 110 | 4% | 12% | |
| 111 | 2% | 8% | |
| 112 | 2% | 6% | |
| 113 | 0.7% | 4% | |
| 114 | 1.1% | 3% | |
| 115 | 1.2% | 2% | |
| 116 | 0.4% | 0.9% | Majority |
| 117 | 0.2% | 0.5% | |
| 118 | 0.2% | 0.3% | |
| 119 | 0% | 0.1% | |
| 120 | 0% | 0.1% | |
| 121 | 0% | 0.1% | |
| 122 | 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 |
|---|---|---|---|
| 59 | 0.1% | 100% | |
| 60 | 0.1% | 99.9% | |
| 61 | 0% | 99.8% | |
| 62 | 0.2% | 99.8% | |
| 63 | 0.5% | 99.6% | |
| 64 | 0.8% | 99.1% | |
| 65 | 2% | 98% | |
| 66 | 2% | 96% | |
| 67 | 2% | 94% | |
| 68 | 4% | 92% | |
| 69 | 3% | 88% | |
| 70 | 4% | 85% | |
| 71 | 4% | 81% | |
| 72 | 5% | 77% | |
| 73 | 3% | 72% | |
| 74 | 5% | 68% | |
| 75 | 8% | 64% | |
| 76 | 8% | 55% | Median |
| 77 | 6% | 48% | |
| 78 | 9% | 41% | |
| 79 | 10% | 32% | Last Result |
| 80 | 6% | 22% | |
| 81 | 3% | 16% | |
| 82 | 3% | 13% | |
| 83 | 2% | 10% | |
| 84 | 3% | 8% | |
| 85 | 1.2% | 6% | |
| 86 | 0.8% | 4% | |
| 87 | 0.6% | 4% | |
| 88 | 1.0% | 3% | |
| 89 | 0.9% | 2% | |
| 90 | 0.3% | 1.0% | |
| 91 | 0.3% | 0.7% | |
| 92 | 0.3% | 0.4% | |
| 93 | 0% | 0.1% | |
| 94 | 0% | 0.1% | |
| 95 | 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 |
|---|---|---|---|
| 11 | 0.1% | 100% | |
| 12 | 0.1% | 99.9% | |
| 13 | 0.2% | 99.8% | |
| 14 | 0.5% | 99.6% | |
| 15 | 2% | 99.1% | |
| 16 | 5% | 97% | |
| 17 | 2% | 93% | |
| 18 | 13% | 90% | |
| 19 | 13% | 77% | Last Result |
| 20 | 6% | 64% | |
| 21 | 22% | 58% | Median |
| 22 | 16% | 36% | |
| 23 | 7% | 20% | |
| 24 | 4% | 13% | |
| 25 | 5% | 9% | |
| 26 | 2% | 5% | |
| 27 | 1.0% | 3% | |
| 28 | 0.7% | 2% | |
| 29 | 0.3% | 1.2% | |
| 30 | 0.5% | 0.9% | |
| 31 | 0.2% | 0.4% | |
| 32 | 0.1% | 0.2% | |
| 33 | 0% | 0.1% | |
| 34 | 0% | 0.1% | |
| 35 | 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 |
|---|---|---|---|
| 4 | 0.1% | 100% | |
| 5 | 0.6% | 99.9% | |
| 6 | 8% | 99.3% | |
| 7 | 20% | 91% | |
| 8 | 11% | 70% | |
| 9 | 7% | 60% | |
| 10 | 23% | 53% | Median |
| 11 | 4% | 30% | |
| 12 | 9% | 26% | Last Result |
| 13 | 6% | 17% | |
| 14 | 7% | 11% | |
| 15 | 2% | 4% | |
| 16 | 1.2% | 2% | |
| 17 | 0.3% | 0.6% | |
| 18 | 0.3% | 0.3% | |
| 19 | 0% | 0.1% | |
| 20 | 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 | 0.8% | 100% | |
| 4 | 9% | 99.2% | |
| 5 | 3% | 91% | |
| 6 | 7% | 88% | |
| 7 | 8% | 81% | |
| 8 | 28% | 73% | Median |
| 9 | 18% | 45% | |
| 10 | 6% | 26% | |
| 11 | 18% | 20% | |
| 12 | 0.8% | 2% | |
| 13 | 0.7% | 1.4% | |
| 14 | 0.6% | 0.7% | |
| 15 | 0% | 0.1% | |
| 16 | 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 |
|---|---|---|---|
| 3 | 0.4% | 100% | |
| 4 | 7% | 99.6% | Last Result |
| 5 | 5% | 92% | |
| 6 | 22% | 88% | |
| 7 | 5% | 65% | |
| 8 | 11% | 61% | Median |
| 9 | 22% | 49% | |
| 10 | 14% | 27% | |
| 11 | 7% | 13% | |
| 12 | 5% | 6% | |
| 13 | 0.9% | 1.3% | |
| 14 | 0.4% | 0.5% | |
| 15 | 0.1% | 0.1% | |
| 16 | 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 |
|---|---|---|---|
| 1 | 0.6% | 100% | Last Result |
| 2 | 0.6% | 99.4% | |
| 3 | 33% | 98.8% | |
| 4 | 37% | 66% | Median |
| 5 | 14% | 29% | |
| 6 | 13% | 14% | |
| 7 | 0.5% | 0.9% | |
| 8 | 0.1% | 0.3% | |
| 9 | 0.1% | 0.2% | |
| 10 | 0.1% | 0.1% | |
| 11 | 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 |
|---|---|---|---|
| 0 | 89% | 100% | Median |
| 1 | 10% | 11% | |
| 2 | 0.4% | 0.4% | |
| 3 | 0% | 0% | |
| 4 | 0% | 0% | |
| 5 | 0% | 0% | Last Result |
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 | 133 | 99.7% | 126–141 | 124–143 | 122–144 | 117–147 |
| Partido Socialista – Bloco de Esquerda | 127 | 123 | 93% | 116–131 | 114–133 | 112–134 | 107–138 |
| Partido Socialista – Coligação Democrática Unitária | 120 | 112 | 27% | 105–120 | 103–122 | 101–125 | 97–127 |
| Partido Socialista | 108 | 102 | 0.9% | 96–110 | 93–112 | 91–114 | 86–117 |
| Partido Social Democrata – CDS–Partido Popular | 84 | 76 | 0% | 68–83 | 66–85 | 65–88 | 63–91 |
Partido Socialista – Bloco de Esquerda – Coligação Democrática Unitária

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 113 | 0.1% | 100% | |
| 114 | 0% | 99.9% | |
| 115 | 0.2% | 99.9% | |
| 116 | 0.1% | 99.7% | Majority |
| 117 | 0.1% | 99.6% | |
| 118 | 0.5% | 99.4% | |
| 119 | 0.4% | 99.0% | |
| 120 | 0.4% | 98.5% | |
| 121 | 0.5% | 98% | |
| 122 | 1.1% | 98% | |
| 123 | 1.5% | 97% | |
| 124 | 3% | 95% | |
| 125 | 2% | 92% | |
| 126 | 4% | 90% | |
| 127 | 5% | 86% | |
| 128 | 4% | 81% | |
| 129 | 8% | 77% | |
| 130 | 5% | 68% | |
| 131 | 6% | 63% | |
| 132 | 6% | 57% | |
| 133 | 8% | 51% | Median |
| 134 | 7% | 44% | |
| 135 | 6% | 37% | |
| 136 | 5% | 30% | |
| 137 | 5% | 25% | |
| 138 | 4% | 21% | |
| 139 | 3% | 17% | Last Result |
| 140 | 2% | 13% | |
| 141 | 3% | 11% | |
| 142 | 1.4% | 8% | |
| 143 | 3% | 7% | |
| 144 | 1.4% | 4% | |
| 145 | 0.7% | 2% | |
| 146 | 0.6% | 2% | |
| 147 | 0.5% | 1.0% | |
| 148 | 0.2% | 0.5% | |
| 149 | 0.1% | 0.3% | |
| 150 | 0.1% | 0.2% | |
| 151 | 0% | 0.1% | |
| 152 | 0% | 0% |
Partido Socialista – Bloco de Esquerda

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 102 | 0% | 100% | |
| 103 | 0.1% | 99.9% | |
| 104 | 0.1% | 99.9% | |
| 105 | 0.1% | 99.8% | |
| 106 | 0.1% | 99.7% | |
| 107 | 0.3% | 99.6% | |
| 108 | 0.5% | 99.3% | |
| 109 | 0.5% | 98.8% | |
| 110 | 0.3% | 98% | |
| 111 | 0.5% | 98% | |
| 112 | 1.1% | 98% | |
| 113 | 0.6% | 96% | |
| 114 | 1.3% | 96% | |
| 115 | 2% | 94% | |
| 116 | 5% | 93% | Majority |
| 117 | 4% | 88% | |
| 118 | 3% | 84% | |
| 119 | 3% | 81% | |
| 120 | 7% | 78% | |
| 121 | 12% | 71% | |
| 122 | 5% | 58% | |
| 123 | 9% | 53% | Median |
| 124 | 7% | 44% | |
| 125 | 8% | 38% | |
| 126 | 5% | 30% | |
| 127 | 4% | 25% | Last Result |
| 128 | 3% | 21% | |
| 129 | 5% | 18% | |
| 130 | 3% | 13% | |
| 131 | 3% | 10% | |
| 132 | 2% | 8% | |
| 133 | 2% | 6% | |
| 134 | 1.5% | 4% | |
| 135 | 0.6% | 2% | |
| 136 | 0.6% | 2% | |
| 137 | 0.2% | 1.0% | |
| 138 | 0.4% | 0.8% | |
| 139 | 0.2% | 0.4% | |
| 140 | 0.1% | 0.2% | |
| 141 | 0.1% | 0.1% | |
| 142 | 0% | 0% |
Partido Socialista – Coligação Democrática Unitária

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 92 | 0% | 100% | |
| 93 | 0% | 99.9% | |
| 94 | 0% | 99.9% | |
| 95 | 0.1% | 99.9% | |
| 96 | 0.1% | 99.7% | |
| 97 | 0.3% | 99.6% | |
| 98 | 0.5% | 99.4% | |
| 99 | 0.6% | 98.9% | |
| 100 | 0.8% | 98% | |
| 101 | 0.7% | 98% | |
| 102 | 1.2% | 97% | |
| 103 | 3% | 96% | |
| 104 | 3% | 93% | |
| 105 | 3% | 90% | |
| 106 | 4% | 87% | |
| 107 | 3% | 83% | |
| 108 | 8% | 80% | |
| 109 | 8% | 72% | |
| 110 | 6% | 64% | |
| 111 | 4% | 58% | |
| 112 | 9% | 54% | Median |
| 113 | 8% | 45% | |
| 114 | 5% | 37% | |
| 115 | 6% | 33% | |
| 116 | 4% | 27% | Majority |
| 117 | 4% | 23% | |
| 118 | 4% | 19% | |
| 119 | 5% | 15% | |
| 120 | 3% | 10% | Last Result |
| 121 | 2% | 7% | |
| 122 | 1.0% | 5% | |
| 123 | 0.8% | 4% | |
| 124 | 0.8% | 4% | |
| 125 | 1.3% | 3% | |
| 126 | 0.5% | 1.4% | |
| 127 | 0.4% | 0.8% | |
| 128 | 0.1% | 0.4% | |
| 129 | 0.2% | 0.3% | |
| 130 | 0% | 0.1% | |
| 131 | 0% | 0.1% | |
| 132 | 0% | 0% |
Partido Socialista

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 82 | 0% | 100% | |
| 83 | 0% | 99.9% | |
| 84 | 0.1% | 99.9% | |
| 85 | 0.1% | 99.8% | |
| 86 | 0.2% | 99.7% | |
| 87 | 0.4% | 99.5% | |
| 88 | 0.5% | 99.1% | |
| 89 | 0.4% | 98.6% | |
| 90 | 0.5% | 98% | |
| 91 | 0.7% | 98% | |
| 92 | 0.7% | 97% | |
| 93 | 1.5% | 96% | |
| 94 | 3% | 95% | |
| 95 | 2% | 92% | |
| 96 | 4% | 90% | |
| 97 | 4% | 86% | |
| 98 | 6% | 83% | |
| 99 | 6% | 77% | |
| 100 | 8% | 71% | |
| 101 | 4% | 63% | |
| 102 | 11% | 59% | Median |
| 103 | 9% | 48% | |
| 104 | 7% | 38% | |
| 105 | 5% | 32% | |
| 106 | 5% | 27% | |
| 107 | 5% | 22% | |
| 108 | 2% | 17% | Last Result |
| 109 | 4% | 15% | |
| 110 | 4% | 12% | |
| 111 | 2% | 8% | |
| 112 | 2% | 6% | |
| 113 | 0.7% | 4% | |
| 114 | 1.1% | 3% | |
| 115 | 1.2% | 2% | |
| 116 | 0.4% | 0.9% | Majority |
| 117 | 0.2% | 0.5% | |
| 118 | 0.2% | 0.3% | |
| 119 | 0% | 0.1% | |
| 120 | 0% | 0.1% | |
| 121 | 0% | 0.1% | |
| 122 | 0% | 0% |
Partido Social Democrata – CDS–Partido Popular

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 59 | 0% | 100% | |
| 60 | 0.1% | 99.9% | |
| 61 | 0% | 99.8% | |
| 62 | 0.2% | 99.8% | |
| 63 | 0.5% | 99.6% | |
| 64 | 0.6% | 99.2% | |
| 65 | 2% | 98.5% | |
| 66 | 2% | 96% | |
| 67 | 2% | 94% | |
| 68 | 3% | 92% | |
| 69 | 3% | 88% | |
| 70 | 3% | 85% | |
| 71 | 5% | 82% | |
| 72 | 5% | 77% | |
| 73 | 4% | 72% | |
| 74 | 4% | 69% | |
| 75 | 9% | 65% | |
| 76 | 7% | 56% | Median |
| 77 | 7% | 49% | |
| 78 | 9% | 42% | |
| 79 | 10% | 33% | |
| 80 | 7% | 24% | |
| 81 | 3% | 17% | |
| 82 | 3% | 13% | |
| 83 | 2% | 11% | |
| 84 | 3% | 8% | Last Result |
| 85 | 1.2% | 6% | |
| 86 | 0.9% | 5% | |
| 87 | 0.6% | 4% | |
| 88 | 1.0% | 3% | |
| 89 | 0.8% | 2% | |
| 90 | 0.3% | 1.1% | |
| 91 | 0.3% | 0.8% | |
| 92 | 0.3% | 0.5% | |
| 93 | 0.1% | 0.1% | |
| 94 | 0% | 0.1% | |
| 95 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: Aximage
- Commissioner(s): —
- Fieldwork period: 22–26 October 2020
Calculations
- Sample size: 694
- Simulations done: 1,048,576
- Error estimate: 1.71%