Opinion Poll by Pitagórica for Jornal de Notícias, 29 September–2 October 2019
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 | 32.3% | 37.3% | 34.9–39.9% | 34.2–40.6% | 33.5–41.3% | 32.4–42.5% | 
| Partido Social Democrata | 36.9% | 28.8% | 26.6–31.3% | 25.9–32.0% | 25.3–32.6% | 24.3–33.8% | 
| Bloco de Esquerda | 10.2% | 9.2% | 7.8–10.9% | 7.4–11.3% | 7.1–11.8% | 6.5–12.6% | 
| Coligação Democrática Unitária | 8.2% | 6.7% | 5.5–8.2% | 5.2–8.6% | 4.9–9.0% | 4.4–9.7% | 
| Pessoas–Animais–Natureza | 1.4% | 4.3% | 3.4–5.6% | 3.2–6.0% | 3.0–6.3% | 2.6–6.9% | 
| CDS–Partido Popular | 36.9% | 3.8% | 3.0–5.0% | 2.8–5.4% | 2.6–5.7% | 2.2–6.3% | 
| Aliança | 0.0% | 1.5% | 1.0–2.4% | 0.9–2.6% | 0.8–2.8% | 0.6–3.3% | 
| Chega | 0.0% | 1.5% | 1.0–2.4% | 0.9–2.6% | 0.8–2.8% | 0.6–3.3% | 
| LIVRE | 0.7% | 0.8% | 0.5–1.5% | 0.4–1.8% | 0.4–1.9% | 0.2–2.3% | 
| Iniciativa Liberal | 0.0% | 0.8% | 0.5–1.5% | 0.4–1.8% | 0.4–1.9% | 0.2–2.3% | 
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 | 86 | 106 | 100–113 | 93–115 | 93–117 | 90–120 | 
| Partido Social Democrata | 89 | 81 | 75–88 | 73–92 | 71–93 | 68–98 | 
| Bloco de Esquerda | 19 | 18 | 16–23 | 14–24 | 12–24 | 10–27 | 
| Coligação Democrática Unitária | 17 | 13 | 8–17 | 7–17 | 6–18 | 5–20 | 
| Pessoas–Animais–Natureza | 1 | 6 | 4–8 | 4–9 | 3–9 | 2–12 | 
| CDS–Partido Popular | 18 | 5 | 2–6 | 2–7 | 2–7 | 2–10 | 
| Aliança | 0 | 0 | 0–2 | 0–2 | 0–2 | 0–2 | 
| Chega | 0 | 0 | 0–2 | 0–2 | 0–2 | 0–2 | 
| LIVRE | 0 | 0 | 0–1 | 0–1 | 0–1 | 0–2 | 
| Iniciativa Liberal | 0 | 0 | 0 | 0 | 0 | 0–2 | 
Partido Socialista
For a full overview of the results for this party, see the Partido Socialista page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 86 | 0% | 100% | Last Result | 
| 87 | 0.1% | 99.9% | |
| 88 | 0.1% | 99.9% | |
| 89 | 0.2% | 99.8% | |
| 90 | 0.2% | 99.6% | |
| 91 | 0.5% | 99.4% | |
| 92 | 0.8% | 98.9% | |
| 93 | 3% | 98% | |
| 94 | 0.7% | 95% | |
| 95 | 0.2% | 94% | |
| 96 | 0.4% | 94% | |
| 97 | 1.0% | 93% | |
| 98 | 0.9% | 92% | |
| 99 | 1.0% | 91% | |
| 100 | 2% | 91% | |
| 101 | 6% | 89% | |
| 102 | 10% | 83% | |
| 103 | 3% | 73% | |
| 104 | 2% | 71% | |
| 105 | 4% | 68% | |
| 106 | 16% | 65% | Median | 
| 107 | 8% | 49% | |
| 108 | 8% | 41% | |
| 109 | 7% | 32% | |
| 110 | 4% | 25% | |
| 111 | 4% | 21% | |
| 112 | 6% | 18% | |
| 113 | 2% | 11% | |
| 114 | 2% | 9% | |
| 115 | 3% | 7% | |
| 116 | 1.2% | 4% | Majority | 
| 117 | 1.5% | 3% | |
| 118 | 0.6% | 1.2% | |
| 119 | 0.1% | 0.6% | |
| 120 | 0.2% | 0.5% | |
| 121 | 0.1% | 0.3% | |
| 122 | 0% | 0.2% | |
| 123 | 0.1% | 0.2% | |
| 124 | 0% | 0.1% | |
| 125 | 0% | 0.1% | |
| 126 | 0% | 0.1% | |
| 127 | 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% | 100% | |
| 64 | 0% | 99.9% | |
| 65 | 0% | 99.9% | |
| 66 | 0.1% | 99.9% | |
| 67 | 0.2% | 99.7% | |
| 68 | 0.2% | 99.5% | |
| 69 | 0.3% | 99.3% | |
| 70 | 0.8% | 99.0% | |
| 71 | 2% | 98% | |
| 72 | 0.8% | 96% | |
| 73 | 1.3% | 96% | |
| 74 | 2% | 94% | |
| 75 | 2% | 92% | |
| 76 | 6% | 90% | |
| 77 | 8% | 84% | |
| 78 | 7% | 76% | |
| 79 | 11% | 69% | |
| 80 | 7% | 58% | |
| 81 | 11% | 51% | Median | 
| 82 | 12% | 39% | |
| 83 | 3% | 27% | |
| 84 | 3% | 24% | |
| 85 | 2% | 22% | |
| 86 | 1.1% | 19% | |
| 87 | 5% | 18% | |
| 88 | 6% | 13% | |
| 89 | 0.3% | 7% | Last Result | 
| 90 | 0.8% | 7% | |
| 91 | 0.3% | 6% | |
| 92 | 3% | 6% | |
| 93 | 1.0% | 3% | |
| 94 | 0.5% | 2% | |
| 95 | 0.3% | 1.5% | |
| 96 | 0.2% | 1.1% | |
| 97 | 0.4% | 1.0% | |
| 98 | 0.1% | 0.6% | |
| 99 | 0.2% | 0.5% | |
| 100 | 0.1% | 0.3% | |
| 101 | 0.1% | 0.2% | |
| 102 | 0% | 0.2% | |
| 103 | 0% | 0.1% | |
| 104 | 0% | 0.1% | |
| 105 | 0% | 0.1% | |
| 106 | 0.1% | 0.1% | |
| 107 | 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 | 
|---|---|---|---|
| 9 | 0% | 100% | |
| 10 | 0.7% | 99.9% | |
| 11 | 0.4% | 99.2% | |
| 12 | 1.4% | 98.8% | |
| 13 | 0.8% | 97% | |
| 14 | 3% | 97% | |
| 15 | 2% | 93% | |
| 16 | 3% | 92% | |
| 17 | 25% | 89% | |
| 18 | 23% | 64% | Median | 
| 19 | 6% | 41% | Last Result | 
| 20 | 13% | 35% | |
| 21 | 8% | 23% | |
| 22 | 3% | 15% | |
| 23 | 4% | 12% | |
| 24 | 7% | 8% | |
| 25 | 0.2% | 1.0% | |
| 26 | 0.3% | 0.8% | |
| 27 | 0.3% | 0.5% | |
| 28 | 0.1% | 0.2% | |
| 29 | 0% | 0.1% | |
| 30 | 0% | 0.1% | |
| 31 | 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 | 
|---|---|---|---|
| 5 | 0.9% | 100% | |
| 6 | 3% | 99.1% | |
| 7 | 5% | 96% | |
| 8 | 5% | 91% | |
| 9 | 7% | 86% | |
| 10 | 10% | 79% | |
| 11 | 5% | 69% | |
| 12 | 10% | 64% | |
| 13 | 24% | 55% | Median | 
| 14 | 10% | 31% | |
| 15 | 2% | 21% | |
| 16 | 1.3% | 19% | |
| 17 | 14% | 18% | Last Result | 
| 18 | 3% | 4% | |
| 19 | 0.9% | 2% | |
| 20 | 0.9% | 1.0% | |
| 21 | 0.1% | 0.1% | |
| 22 | 0% | 0.1% | |
| 23 | 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 | 0% | 100% | Last Result | 
| 2 | 0.7% | 100% | |
| 3 | 3% | 99.3% | |
| 4 | 15% | 96% | |
| 5 | 4% | 81% | |
| 6 | 63% | 78% | Median | 
| 7 | 4% | 15% | |
| 8 | 4% | 11% | |
| 9 | 5% | 7% | |
| 10 | 0.6% | 2% | |
| 11 | 1.2% | 2% | |
| 12 | 0.3% | 0.7% | |
| 13 | 0.2% | 0.4% | |
| 14 | 0.1% | 0.2% | |
| 15 | 0% | 0.1% | |
| 16 | 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 | 0.1% | 100% | |
| 1 | 0% | 99.9% | |
| 2 | 21% | 99.9% | |
| 3 | 4% | 79% | |
| 4 | 12% | 74% | |
| 5 | 15% | 62% | Median | 
| 6 | 41% | 47% | |
| 7 | 4% | 5% | |
| 8 | 0.5% | 1.2% | |
| 9 | 0.2% | 0.7% | |
| 10 | 0.3% | 0.5% | |
| 11 | 0.1% | 0.2% | |
| 12 | 0.1% | 0.1% | |
| 13 | 0% | 0.1% | |
| 14 | 0% | 0% | |
| 15 | 0% | 0% | |
| 16 | 0% | 0% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | Last Result | 
Aliança
For a full overview of the results for this party, see the Aliança page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 0 | 82% | 100% | Last Result, Median | 
| 1 | 0.9% | 18% | |
| 2 | 17% | 17% | |
| 3 | 0.2% | 0.3% | |
| 4 | 0.1% | 0.1% | |
| 5 | 0% | 0% | 
Chega
For a full overview of the results for this party, see the Chega page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 0 | 84% | 100% | Last Result, Median | 
| 1 | 2% | 16% | |
| 2 | 13% | 14% | |
| 3 | 0.2% | 0.3% | |
| 4 | 0.1% | 0.1% | |
| 5 | 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 | 52% | 100% | Last Result, Median | 
| 1 | 47% | 48% | |
| 2 | 1.2% | 1.2% | |
| 3 | 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 | 98% | 100% | Last Result, Median | 
| 1 | 1.2% | 2% | |
| 2 | 0.9% | 0.9% | |
| 3 | 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 | 122 | 137 | 99.8% | 129–142 | 125–146 | 122–149 | 120–151 | 
| Partido Socialista – Bloco de Esquerda | 105 | 126 | 93% | 118–132 | 113–133 | 112–136 | 108–138 | 
| Partido Socialista – Coligação Democrática Unitária | 103 | 119 | 78% | 111–124 | 105–128 | 103–129 | 101–132 | 
| Partido Socialista | 86 | 106 | 4% | 100–113 | 93–115 | 93–117 | 90–120 | 
| Partido Social Democrata – CDS–Partido Popular | 107 | 85 | 0% | 80–93 | 77–96 | 74–97 | 72–103 | 
Partido Socialista – Bloco de Esquerda – Coligação Democrática Unitária

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 115 | 0.1% | 100% | |
| 116 | 0.1% | 99.8% | Majority | 
| 117 | 0% | 99.8% | |
| 118 | 0.1% | 99.7% | |
| 119 | 0.1% | 99.6% | |
| 120 | 0.2% | 99.5% | |
| 121 | 0.4% | 99.4% | |
| 122 | 3% | 98.9% | Last Result | 
| 123 | 0.3% | 96% | |
| 124 | 0.4% | 96% | |
| 125 | 0.6% | 96% | |
| 126 | 0.6% | 95% | |
| 127 | 0.8% | 94% | |
| 128 | 1.4% | 93% | |
| 129 | 2% | 92% | |
| 130 | 0.3% | 90% | |
| 131 | 2% | 90% | |
| 132 | 3% | 87% | |
| 133 | 1.3% | 84% | |
| 134 | 5% | 83% | |
| 135 | 4% | 78% | |
| 136 | 14% | 74% | |
| 137 | 13% | 60% | Median | 
| 138 | 4% | 48% | |
| 139 | 9% | 43% | |
| 140 | 5% | 34% | |
| 141 | 8% | 28% | |
| 142 | 10% | 20% | |
| 143 | 3% | 10% | |
| 144 | 1.0% | 7% | |
| 145 | 0.7% | 6% | |
| 146 | 1.2% | 5% | |
| 147 | 0.7% | 4% | |
| 148 | 0.3% | 3% | |
| 149 | 0.6% | 3% | |
| 150 | 1.0% | 2% | |
| 151 | 1.0% | 1.3% | |
| 152 | 0.1% | 0.3% | |
| 153 | 0.1% | 0.2% | |
| 154 | 0% | 0.1% | |
| 155 | 0% | 0.1% | |
| 156 | 0% | 0.1% | |
| 157 | 0% | 0.1% | |
| 158 | 0% | 0% | 
Partido Socialista – Bloco de Esquerda

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 105 | 0.1% | 100% | Last Result | 
| 106 | 0.1% | 99.9% | |
| 107 | 0.3% | 99.8% | |
| 108 | 0.3% | 99.5% | |
| 109 | 0.2% | 99.2% | |
| 110 | 0.2% | 99.0% | |
| 111 | 0.2% | 98.8% | |
| 112 | 3% | 98.6% | |
| 113 | 0.8% | 96% | |
| 114 | 0.8% | 95% | |
| 115 | 0.6% | 94% | |
| 116 | 2% | 93% | Majority | 
| 117 | 1.1% | 92% | |
| 118 | 0.8% | 90% | |
| 119 | 6% | 90% | |
| 120 | 9% | 84% | |
| 121 | 1.0% | 76% | |
| 122 | 4% | 75% | |
| 123 | 10% | 71% | |
| 124 | 7% | 60% | Median | 
| 125 | 3% | 53% | |
| 126 | 11% | 50% | |
| 127 | 6% | 39% | |
| 128 | 7% | 33% | |
| 129 | 8% | 26% | |
| 130 | 1.4% | 18% | |
| 131 | 2% | 16% | |
| 132 | 8% | 14% | |
| 133 | 2% | 6% | |
| 134 | 2% | 5% | |
| 135 | 0.4% | 3% | |
| 136 | 0.7% | 3% | |
| 137 | 0.3% | 2% | |
| 138 | 2% | 2% | |
| 139 | 0.1% | 0.4% | |
| 140 | 0% | 0.3% | |
| 141 | 0% | 0.3% | |
| 142 | 0.1% | 0.2% | |
| 143 | 0.1% | 0.1% | |
| 144 | 0% | 0.1% | |
| 145 | 0% | 0% | 
Partido Socialista – Coligação Democrática Unitária

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 98 | 0.1% | 100% | |
| 99 | 0.2% | 99.9% | |
| 100 | 0.1% | 99.6% | |
| 101 | 0.4% | 99.5% | |
| 102 | 0.2% | 99.1% | |
| 103 | 2% | 98.9% | Last Result | 
| 104 | 0.7% | 96% | |
| 105 | 0.8% | 96% | |
| 106 | 0.4% | 95% | |
| 107 | 0.4% | 95% | |
| 108 | 0.6% | 94% | |
| 109 | 1.3% | 93% | |
| 110 | 0.8% | 92% | |
| 111 | 2% | 91% | |
| 112 | 1.3% | 90% | |
| 113 | 3% | 88% | |
| 114 | 5% | 85% | |
| 115 | 3% | 80% | |
| 116 | 5% | 78% | Majority | 
| 117 | 4% | 72% | |
| 118 | 4% | 68% | |
| 119 | 20% | 64% | Median | 
| 120 | 9% | 44% | |
| 121 | 6% | 35% | |
| 122 | 14% | 29% | |
| 123 | 2% | 15% | |
| 124 | 3% | 13% | |
| 125 | 2% | 10% | |
| 126 | 0.9% | 8% | |
| 127 | 2% | 7% | |
| 128 | 1.1% | 5% | |
| 129 | 2% | 4% | |
| 130 | 0.3% | 2% | |
| 131 | 1.3% | 2% | |
| 132 | 0.3% | 0.8% | |
| 133 | 0.1% | 0.4% | |
| 134 | 0.1% | 0.3% | |
| 135 | 0.1% | 0.2% | |
| 136 | 0.1% | 0.1% | |
| 137 | 0% | 0.1% | |
| 138 | 0% | 0% | 
Partido Socialista

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 86 | 0% | 100% | Last Result | 
| 87 | 0.1% | 99.9% | |
| 88 | 0.1% | 99.9% | |
| 89 | 0.2% | 99.8% | |
| 90 | 0.2% | 99.6% | |
| 91 | 0.5% | 99.4% | |
| 92 | 0.8% | 98.9% | |
| 93 | 3% | 98% | |
| 94 | 0.7% | 95% | |
| 95 | 0.2% | 94% | |
| 96 | 0.4% | 94% | |
| 97 | 1.0% | 93% | |
| 98 | 0.9% | 92% | |
| 99 | 1.0% | 91% | |
| 100 | 2% | 91% | |
| 101 | 6% | 89% | |
| 102 | 10% | 83% | |
| 103 | 3% | 73% | |
| 104 | 2% | 71% | |
| 105 | 4% | 68% | |
| 106 | 16% | 65% | Median | 
| 107 | 8% | 49% | |
| 108 | 8% | 41% | |
| 109 | 7% | 32% | |
| 110 | 4% | 25% | |
| 111 | 4% | 21% | |
| 112 | 6% | 18% | |
| 113 | 2% | 11% | |
| 114 | 2% | 9% | |
| 115 | 3% | 7% | |
| 116 | 1.2% | 4% | Majority | 
| 117 | 1.5% | 3% | |
| 118 | 0.6% | 1.2% | |
| 119 | 0.1% | 0.6% | |
| 120 | 0.2% | 0.5% | |
| 121 | 0.1% | 0.3% | |
| 122 | 0% | 0.2% | |
| 123 | 0.1% | 0.2% | |
| 124 | 0% | 0.1% | |
| 125 | 0% | 0.1% | |
| 126 | 0% | 0.1% | |
| 127 | 0% | 0% | 
Partido Social Democrata – CDS–Partido Popular

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 67 | 0% | 100% | |
| 68 | 0% | 99.9% | |
| 69 | 0% | 99.9% | |
| 70 | 0.1% | 99.9% | |
| 71 | 0.2% | 99.8% | |
| 72 | 0.2% | 99.6% | |
| 73 | 2% | 99.4% | |
| 74 | 0.5% | 98% | |
| 75 | 0.4% | 97% | |
| 76 | 0.8% | 97% | |
| 77 | 2% | 96% | |
| 78 | 1.1% | 94% | |
| 79 | 2% | 93% | |
| 80 | 4% | 91% | |
| 81 | 3% | 88% | |
| 82 | 6% | 85% | |
| 83 | 10% | 78% | |
| 84 | 11% | 68% | |
| 85 | 10% | 57% | |
| 86 | 3% | 48% | Median | 
| 87 | 20% | 45% | |
| 88 | 3% | 25% | |
| 89 | 4% | 22% | |
| 90 | 4% | 18% | |
| 91 | 1.2% | 13% | |
| 92 | 1.0% | 12% | |
| 93 | 3% | 11% | |
| 94 | 2% | 8% | |
| 95 | 1.0% | 7% | |
| 96 | 0.9% | 6% | |
| 97 | 3% | 5% | |
| 98 | 0.5% | 2% | |
| 99 | 0.5% | 2% | |
| 100 | 0.2% | 1.2% | |
| 101 | 0.2% | 1.1% | |
| 102 | 0.1% | 0.8% | |
| 103 | 0.3% | 0.7% | |
| 104 | 0.1% | 0.4% | |
| 105 | 0.1% | 0.3% | |
| 106 | 0% | 0.2% | |
| 107 | 0% | 0.2% | Last Result | 
| 108 | 0% | 0.2% | |
| 109 | 0% | 0.1% | |
| 110 | 0% | 0.1% | |
| 111 | 0.1% | 0.1% | |
| 112 | 0% | 0% | 
Technical Information
Opinion Poll
- Polling firm: Pitagórica
 - Commissioner(s): Jornal de Notícias
 - Fieldwork period: 29 September–2 October 2019
 
Calculations
- Sample size: 600
 - Simulations done: 1,048,576
 - Error estimate: 1.07%