Opinion Poll by Eurosondagem, 1–5 March 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% | 37.3% | 35.4–39.3% | 34.8–39.8% | 34.4–40.3% | 33.4–41.3% |
| Partido Social Democrata | 27.8% | 27.4% | 25.7–29.3% | 25.2–29.8% | 24.7–30.2% | 23.9–31.1% |
| Bloco de Esquerda | 9.5% | 8.8% | 7.8–10.1% | 7.5–10.4% | 7.2–10.7% | 6.7–11.3% |
| Coligação Democrática Unitária | 6.3% | 6.3% | 5.4–7.4% | 5.2–7.7% | 5.0–8.0% | 4.6–8.6% |
| Chega | 1.3% | 3.3% | 2.7–4.1% | 2.5–4.3% | 2.3–4.6% | 2.1–5.0% |
| CDS–Partido Popular | 4.2% | 2.9% | 2.3–3.7% | 2.1–3.9% | 2.0–4.1% | 1.8–4.5% |
| Pessoas–Animais–Natureza | 3.3% | 2.8% | 2.2–3.6% | 2.0–3.8% | 1.9–4.0% | 1.7–4.4% |
| Iniciativa Liberal | 1.3% | 1.1% | 0.8–1.6% | 0.7–1.8% | 0.6–2.0% | 0.5–2.2% |
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 | 104–116 | 103–119 | 103–119 | 98–124 |
| Partido Social Democrata | 79 | 78 | 76–83 | 70–84 | 69–89 | 68–90 |
| Bloco de Esquerda | 19 | 19 | 16–21 | 15–23 | 15–23 | 12–24 |
| Coligação Democrática Unitária | 12 | 12 | 9–15 | 8–16 | 7–16 | 7–17 |
| Chega | 1 | 3 | 2–4 | 2–4 | 2–6 | 1–8 |
| CDS–Partido Popular | 5 | 2 | 1–4 | 1–4 | 1–5 | 1–5 |
| Pessoas–Animais–Natureza | 4 | 3 | 2–4 | 2–4 | 2–5 | 1–6 |
| Iniciativa Liberal | 1 | 1 | 0–1 | 0–1 | 0–3 | 0–3 |
Partido Socialista
For a full overview of the results for this party, see the Partido Socialista page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 95 | 0% | 100% | |
| 96 | 0.1% | 99.9% | |
| 97 | 0.1% | 99.9% | |
| 98 | 0.7% | 99.8% | |
| 99 | 0.2% | 99.0% | |
| 100 | 0.3% | 98.8% | |
| 101 | 0.4% | 98.5% | |
| 102 | 0.5% | 98% | |
| 103 | 4% | 98% | |
| 104 | 4% | 94% | |
| 105 | 3% | 89% | |
| 106 | 10% | 86% | |
| 107 | 6% | 77% | |
| 108 | 12% | 71% | Last Result |
| 109 | 16% | 59% | Median |
| 110 | 8% | 43% | |
| 111 | 5% | 35% | |
| 112 | 5% | 30% | |
| 113 | 8% | 25% | |
| 114 | 2% | 16% | |
| 115 | 2% | 14% | |
| 116 | 5% | 12% | Majority |
| 117 | 0.8% | 8% | |
| 118 | 1.4% | 7% | |
| 119 | 3% | 6% | |
| 120 | 0.5% | 2% | |
| 121 | 0.6% | 2% | |
| 122 | 0.2% | 1.3% | |
| 123 | 0.1% | 1.1% | |
| 124 | 0.9% | 1.1% | |
| 125 | 0% | 0.2% | |
| 126 | 0.1% | 0.1% | |
| 127 | 0% | 0.1% | |
| 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 |
|---|---|---|---|
| 63 | 0.1% | 100% | |
| 64 | 0% | 99.9% | |
| 65 | 0% | 99.8% | |
| 66 | 0.2% | 99.8% | |
| 67 | 0.1% | 99.6% | |
| 68 | 1.3% | 99.5% | |
| 69 | 0.7% | 98% | |
| 70 | 3% | 97% | |
| 71 | 1.2% | 94% | |
| 72 | 0.6% | 93% | |
| 73 | 0.2% | 92% | |
| 74 | 0.4% | 92% | |
| 75 | 1.3% | 91% | |
| 76 | 12% | 90% | |
| 77 | 18% | 78% | |
| 78 | 14% | 60% | Median |
| 79 | 2% | 46% | Last Result |
| 80 | 0.9% | 44% | |
| 81 | 12% | 43% | |
| 82 | 5% | 32% | |
| 83 | 18% | 27% | |
| 84 | 4% | 9% | |
| 85 | 0.5% | 5% | |
| 86 | 0.1% | 4% | |
| 87 | 0.7% | 4% | |
| 88 | 0.5% | 4% | |
| 89 | 2% | 3% | |
| 90 | 0.9% | 1.1% | |
| 91 | 0.1% | 0.3% | |
| 92 | 0.1% | 0.2% | |
| 93 | 0% | 0.1% | |
| 94 | 0% | 0.1% | |
| 95 | 0% | 0.1% | |
| 96 | 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 | 0.3% | 100% | |
| 12 | 0.2% | 99.7% | |
| 13 | 0.2% | 99.5% | |
| 14 | 0.8% | 99.2% | |
| 15 | 5% | 98% | |
| 16 | 16% | 93% | |
| 17 | 4% | 77% | |
| 18 | 10% | 74% | |
| 19 | 42% | 63% | Last Result, Median |
| 20 | 10% | 22% | |
| 21 | 3% | 12% | |
| 22 | 2% | 9% | |
| 23 | 6% | 7% | |
| 24 | 0.7% | 1.0% | |
| 25 | 0.2% | 0.3% | |
| 26 | 0% | 0.1% | |
| 27 | 0.1% | 0.1% | |
| 28 | 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 |
|---|---|---|---|
| 6 | 0.1% | 100% | |
| 7 | 5% | 99.8% | |
| 8 | 5% | 95% | |
| 9 | 12% | 90% | |
| 10 | 13% | 78% | |
| 11 | 13% | 65% | |
| 12 | 7% | 52% | Last Result, Median |
| 13 | 3% | 46% | |
| 14 | 23% | 43% | |
| 15 | 11% | 19% | |
| 16 | 6% | 8% | |
| 17 | 2% | 2% | |
| 18 | 0.3% | 0.4% | |
| 19 | 0.1% | 0.1% | |
| 20 | 0% | 0.1% | |
| 21 | 0% | 0.1% | |
| 22 | 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 | 2% | 100% | Last Result |
| 2 | 10% | 98% | |
| 3 | 49% | 88% | Median |
| 4 | 36% | 39% | |
| 5 | 0.6% | 3% | |
| 6 | 2% | 3% | |
| 7 | 0.5% | 1.1% | |
| 8 | 0.5% | 0.6% | |
| 9 | 0.1% | 0.1% | |
| 10 | 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 | 0.3% | 100% | |
| 1 | 18% | 99.7% | |
| 2 | 60% | 82% | Median |
| 3 | 2% | 22% | |
| 4 | 17% | 20% | |
| 5 | 3% | 3% | Last Result |
| 6 | 0% | 0.1% | |
| 7 | 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 |
|---|---|---|---|
| 1 | 1.2% | 100% | |
| 2 | 33% | 98.8% | |
| 3 | 25% | 66% | Median |
| 4 | 39% | 41% | Last Result |
| 5 | 0.6% | 3% | |
| 6 | 2% | 2% | |
| 7 | 0.1% | 0.1% | |
| 8 | 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 | 16% | 100% | |
| 1 | 79% | 84% | Last Result, Median |
| 2 | 1.1% | 5% | |
| 3 | 4% | 4% | |
| 4 | 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 | 140 | 100% | 136–146 | 133–150 | 132–151 | 130–153 |
| Partido Socialista – Bloco de Esquerda | 127 | 128 | 99.6% | 122–134 | 121–136 | 120–137 | 116–142 |
| Partido Socialista – Coligação Democrática Unitária | 120 | 121 | 95% | 118–130 | 116–132 | 115–134 | 112–135 |
| Partido Socialista | 108 | 109 | 12% | 104–116 | 103–119 | 103–119 | 98–124 |
| Partido Social Democrata – CDS–Partido Popular | 84 | 81 | 0% | 77–87 | 72–88 | 72–91 | 70–92 |
Partido Socialista – Bloco de Esquerda – Coligação Democrática Unitária

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 125 | 0% | 100% | |
| 126 | 0% | 99.9% | |
| 127 | 0.1% | 99.9% | |
| 128 | 0.2% | 99.9% | |
| 129 | 0.1% | 99.7% | |
| 130 | 0.7% | 99.6% | |
| 131 | 0.9% | 98.9% | |
| 132 | 3% | 98% | |
| 133 | 1.0% | 95% | |
| 134 | 3% | 94% | |
| 135 | 2% | 92% | |
| 136 | 6% | 90% | |
| 137 | 11% | 84% | |
| 138 | 12% | 73% | |
| 139 | 4% | 61% | Last Result |
| 140 | 7% | 56% | Median |
| 141 | 20% | 50% | |
| 142 | 7% | 29% | |
| 143 | 1.5% | 22% | |
| 144 | 6% | 21% | |
| 145 | 0.8% | 15% | |
| 146 | 5% | 14% | |
| 147 | 3% | 9% | |
| 148 | 0.5% | 7% | |
| 149 | 1.3% | 6% | |
| 150 | 2% | 5% | |
| 151 | 1.4% | 3% | |
| 152 | 0.1% | 2% | |
| 153 | 1.4% | 2% | |
| 154 | 0.1% | 0.3% | |
| 155 | 0.1% | 0.2% | |
| 156 | 0.1% | 0.1% | |
| 157 | 0% | 0.1% | |
| 158 | 0% | 0% |
Partido Socialista – Bloco de Esquerda

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 112 | 0.1% | 100% | |
| 113 | 0.1% | 99.9% | |
| 114 | 0.1% | 99.8% | |
| 115 | 0.1% | 99.7% | |
| 116 | 0.2% | 99.6% | Majority |
| 117 | 0.8% | 99.5% | |
| 118 | 0.4% | 98.6% | |
| 119 | 0.3% | 98% | |
| 120 | 0.8% | 98% | |
| 121 | 6% | 97% | |
| 122 | 2% | 91% | |
| 123 | 4% | 89% | |
| 124 | 2% | 85% | |
| 125 | 10% | 83% | |
| 126 | 4% | 74% | |
| 127 | 16% | 70% | Last Result |
| 128 | 13% | 54% | Median |
| 129 | 4% | 40% | |
| 130 | 1.5% | 36% | |
| 131 | 5% | 34% | |
| 132 | 14% | 30% | |
| 133 | 5% | 16% | |
| 134 | 4% | 11% | |
| 135 | 2% | 8% | |
| 136 | 3% | 6% | |
| 137 | 0.5% | 3% | |
| 138 | 0.5% | 2% | |
| 139 | 0.4% | 2% | |
| 140 | 0.3% | 1.4% | |
| 141 | 0% | 1.1% | |
| 142 | 1.0% | 1.1% | |
| 143 | 0.1% | 0.1% | |
| 144 | 0% | 0.1% | |
| 145 | 0% | 0% |
Partido Socialista – Coligação Democrática Unitária

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 108 | 0% | 100% | |
| 109 | 0% | 99.9% | |
| 110 | 0.1% | 99.9% | |
| 111 | 0.1% | 99.8% | |
| 112 | 0.4% | 99.8% | |
| 113 | 1.1% | 99.3% | |
| 114 | 0.7% | 98% | |
| 115 | 2% | 98% | |
| 116 | 2% | 95% | Majority |
| 117 | 2% | 93% | |
| 118 | 15% | 91% | |
| 119 | 12% | 76% | |
| 120 | 7% | 64% | Last Result |
| 121 | 11% | 57% | Median |
| 122 | 23% | 47% | |
| 123 | 6% | 24% | |
| 124 | 1.2% | 18% | |
| 125 | 0.8% | 17% | |
| 126 | 0.6% | 16% | |
| 127 | 0.4% | 15% | |
| 128 | 2% | 15% | |
| 129 | 1.4% | 13% | |
| 130 | 6% | 12% | |
| 131 | 0.3% | 6% | |
| 132 | 0.6% | 6% | |
| 133 | 0.3% | 5% | |
| 134 | 2% | 5% | |
| 135 | 2% | 2% | |
| 136 | 0.1% | 0.3% | |
| 137 | 0% | 0.2% | |
| 138 | 0% | 0.2% | |
| 139 | 0% | 0.1% | |
| 140 | 0.1% | 0.1% | |
| 141 | 0.1% | 0.1% | |
| 142 | 0% | 0% |
Partido Socialista

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 95 | 0% | 100% | |
| 96 | 0.1% | 99.9% | |
| 97 | 0.1% | 99.9% | |
| 98 | 0.7% | 99.8% | |
| 99 | 0.2% | 99.0% | |
| 100 | 0.3% | 98.8% | |
| 101 | 0.4% | 98.5% | |
| 102 | 0.5% | 98% | |
| 103 | 4% | 98% | |
| 104 | 4% | 94% | |
| 105 | 3% | 89% | |
| 106 | 10% | 86% | |
| 107 | 6% | 77% | |
| 108 | 12% | 71% | Last Result |
| 109 | 16% | 59% | Median |
| 110 | 8% | 43% | |
| 111 | 5% | 35% | |
| 112 | 5% | 30% | |
| 113 | 8% | 25% | |
| 114 | 2% | 16% | |
| 115 | 2% | 14% | |
| 116 | 5% | 12% | Majority |
| 117 | 0.8% | 8% | |
| 118 | 1.4% | 7% | |
| 119 | 3% | 6% | |
| 120 | 0.5% | 2% | |
| 121 | 0.6% | 2% | |
| 122 | 0.2% | 1.3% | |
| 123 | 0.1% | 1.1% | |
| 124 | 0.9% | 1.1% | |
| 125 | 0% | 0.2% | |
| 126 | 0.1% | 0.1% | |
| 127 | 0% | 0.1% | |
| 128 | 0% | 0% |
Partido Social Democrata – CDS–Partido Popular

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 65 | 0% | 100% | |
| 66 | 0.1% | 99.9% | |
| 67 | 0% | 99.9% | |
| 68 | 0.1% | 99.8% | |
| 69 | 0.2% | 99.7% | |
| 70 | 0.5% | 99.5% | |
| 71 | 1.3% | 99.0% | |
| 72 | 3% | 98% | |
| 73 | 2% | 95% | |
| 74 | 0.6% | 93% | |
| 75 | 0.4% | 92% | |
| 76 | 0.6% | 92% | |
| 77 | 6% | 91% | |
| 78 | 5% | 85% | |
| 79 | 17% | 80% | |
| 80 | 11% | 63% | Median |
| 81 | 3% | 52% | |
| 82 | 8% | 49% | |
| 83 | 10% | 41% | |
| 84 | 2% | 31% | Last Result |
| 85 | 13% | 30% | |
| 86 | 5% | 17% | |
| 87 | 6% | 11% | |
| 88 | 2% | 6% | |
| 89 | 0.2% | 4% | |
| 90 | 0.6% | 4% | |
| 91 | 2% | 3% | |
| 92 | 0.8% | 1.0% | |
| 93 | 0.1% | 0.3% | |
| 94 | 0.1% | 0.2% | |
| 95 | 0% | 0.1% | |
| 96 | 0% | 0.1% | |
| 97 | 0% | 0.1% | |
| 98 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: Eurosondagem
- Commissioner(s): —
- Fieldwork period: 1–5 March 2020
Calculations
- Sample size: 1011
- Simulations done: 131,072
- Error estimate: 2.51%