Poll Average

Voting Intentions | Seats | Coalitions | Technical Information

Summary

The table below lists the polls on which the average is based. They are the most recent polls (less than 90 days old) registered and analyzed so far.

Period Polling firm/Commissioner(s) PSD CDS–PP PS BE CDU PAN L IL A CH
4 October 2015 General Election 36.9%
89
36.9%
18
32.3%
86
10.2%
19
8.2%
17
1.4%
1
0.7%
0
0.0%
0
0.0%
0
0.0%
0
N/A Poll Average 24–31%
67–87
4–6%
4–10
33–41%
97–117
8–12%
15–25
5–9%
7–19
2–7%
3–12
0–2%
0–1
0–2%
0
0–2%
0–1
0–3%
0–2
30 September–3 October 2019 Pitagórica
Jornal de Notícias
24–31%
65–93
3–7%
2–12
33–41%
92–118
7–12%
12–25
5–9%
6–18
3–7%
4–13
0–2%
0–1
0–2%
0–2
1–2%
0–2
1–3%
0–2
26 September–2 October 2019 Aximage
Jornal Económico
25–29%
72–82
4–6%
6–8
34–39%
101–112
9–12%
19–25
6–8%
8–15
3–5%
3–6
1–2%
0–1
1–2%
0
N/A
N/A
1–2%
0
26 September–1 October 2019 Intercampus
Correio da Manhã and Negócios
23–29%
67–84
3–6%
3–10
32–38%
95–113
7–11%
14–23
6–10%
13–21
4–7%
6–14
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
25 September–1 October 2019 Eurosondagem
Porto Canal
24–27%
66–77
4–6%
6–9
37–41%
107–118
8–11%
17–24
6–8%
10–17
3–5%
4–6
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
23–29 September 2019 GfK Metris
Expresso and SIC Notícias
26–31%
71–85
4–6%
4–10
36–41%
101–117
9–12%
18–24
5–8%
6–15
2–4%
2–6
0–1%
0–1
0–1%
0
0–1%
0
0–1%
0
26–29 September 2019 CESOP–UCP
Público and RTP
28–31%
78–89
4–6%
6–8
35–38%
100–112
9–11%
18–24
5–7%
6–13
2–4%
2–4
1%
0–1
1%
0
1%
0
1%
0
4 October 2015 General Election 36.9%
89
36.9%
18
32.3%
86
10.2%
19
8.2%
17
1.4%
1
0.7%
0
0.0%
0
0.0%
0
0.0%
0

Only polls for which at least the sample size has been published are included in the table above.

Legend:

Voting Intentions

Graph with voting intentions not yet produced

Confidence Intervals

Party Last Result Median 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Partido Social Democrata 36.9% 27.3% 25.0–30.0% 24.5–30.5% 24.1–30.9% 23.3–31.7%
CDS–Partido Popular 36.9% 4.9% 4.2–5.7% 3.9–6.0% 3.6–6.2% 3.2–6.8%
Partido Socialista 32.3% 37.1% 34.8–39.6% 34.0–40.2% 33.3–40.7% 32.1–41.7%
Bloco de Esquerda 10.2% 9.8% 8.4–11.0% 7.9–11.4% 7.6–11.7% 6.9–12.3%
Coligação Democrática Unitária 8.2% 6.7% 5.6–8.2% 5.4–8.6% 5.2–9.1% 4.8–9.8%
Pessoas–Animais–Natureza 1.4% 3.9% 2.9–5.8% 2.7–6.3% 2.5–6.6% 2.3–7.3%
LIVRE 0.7% 1.0% 0.5–1.5% 0.4–1.6% 0.3–1.8% 0.2–2.1%
Iniciativa Liberal 0.0% 0.9% 0.2–1.3% 0.2–1.5% 0.1–1.6% 0.1–2.0%
Aliança 0.0% 0.9% 0.3–1.5% 0.2–1.8% 0.2–2.0% 0.1–2.5%
Chega 0.0% 1.1% 0.4–2.1% 0.3–2.4% 0.2–2.8% 0.2–3.3%

Partido Social Democrata

For a full overview of the results for this party, see the Partido Social Democrata page.

Voting Intentions Probability Accumulated Special Marks
20.5–21.5% 0% 100%  
21.5–22.5% 0.1% 100%  
22.5–23.5% 0.8% 99.9%  
23.5–24.5% 5% 99.1%  
24.5–25.5% 12% 95%  
25.5–26.5% 19% 82%  
26.5–27.5% 19% 64% Median
27.5–28.5% 15% 45%  
28.5–29.5% 14% 30%  
29.5–30.5% 11% 16%  
30.5–31.5% 4% 4%  
31.5–32.5% 0.5% 0.6%  
32.5–33.5% 0.1% 0.1%  
33.5–34.5% 0% 0%  
34.5–35.5% 0% 0%  
35.5–36.5% 0% 0%  
36.5–37.5% 0% 0% Last Result

For a full overview of the results for this party, see the CDS–Partido Popular page.

Voting Intentions Probability Accumulated Special Marks
1.5–2.5% 0% 100%  
2.5–3.5% 2% 100%  
3.5–4.5% 24% 98%  
4.5–5.5% 60% 74% Median
5.5–6.5% 14% 14%  
6.5–7.5% 0.9% 0.9%  
7.5–8.5% 0.1% 0.1%  
8.5–9.5% 0% 0%  
9.5–10.5% 0% 0%  
10.5–11.5% 0% 0%  
11.5–12.5% 0% 0%  
12.5–13.5% 0% 0%  
13.5–14.5% 0% 0%  
14.5–15.5% 0% 0%  
15.5–16.5% 0% 0%  
16.5–17.5% 0% 0%  
17.5–18.5% 0% 0%  
18.5–19.5% 0% 0%  
19.5–20.5% 0% 0%  
20.5–21.5% 0% 0%  
21.5–22.5% 0% 0%  
22.5–23.5% 0% 0%  
23.5–24.5% 0% 0%  
24.5–25.5% 0% 0%  
25.5–26.5% 0% 0%  
26.5–27.5% 0% 0%  
27.5–28.5% 0% 0%  
28.5–29.5% 0% 0%  
29.5–30.5% 0% 0%  
30.5–31.5% 0% 0%  
31.5–32.5% 0% 0%  
32.5–33.5% 0% 0%  
33.5–34.5% 0% 0%  
34.5–35.5% 0% 0%  
35.5–36.5% 0% 0%  
36.5–37.5% 0% 0% Last Result

Partido Socialista

For a full overview of the results for this party, see the Partido Socialista page.

Voting Intentions Probability Accumulated Special Marks
29.5–30.5% 0% 100%  
30.5–31.5% 0.2% 100%  
31.5–32.5% 0.8% 99.8% Last Result
32.5–33.5% 2% 99.0%  
33.5–34.5% 5% 97%  
34.5–35.5% 10% 92%  
35.5–36.5% 19% 81%  
36.5–37.5% 21% 62% Median
37.5–38.5% 17% 41%  
38.5–39.5% 13% 24%  
39.5–40.5% 7% 10%  
40.5–41.5% 2% 3%  
41.5–42.5% 0.5% 0.6%  
42.5–43.5% 0.1% 0.1%  
43.5–44.5% 0% 0%  

Bloco de Esquerda

For a full overview of the results for this party, see the Bloco de Esquerda page.

Voting Intentions Probability Accumulated Special Marks
4.5–5.5% 0% 100%  
5.5–6.5% 0.2% 100%  
6.5–7.5% 2% 99.8%  
7.5–8.5% 10% 98%  
8.5–9.5% 27% 88%  
9.5–10.5% 39% 61% Last Result, Median
10.5–11.5% 18% 22%  
11.5–12.5% 3% 3%  
12.5–13.5% 0.2% 0.2%  
13.5–14.5% 0% 0%  

Coligação Democrática Unitária

For a full overview of the results for this party, see the Coligação Democrática Unitária page.

Voting Intentions Probability Accumulated Special Marks
2.5–3.5% 0% 100%  
3.5–4.5% 0.2% 100%  
4.5–5.5% 7% 99.8%  
5.5–6.5% 38% 92%  
6.5–7.5% 34% 55% Median
7.5–8.5% 15% 21% Last Result
8.5–9.5% 5% 6%  
9.5–10.5% 0.9% 0.9%  
10.5–11.5% 0.1% 0.1%  
11.5–12.5% 0% 0%  

Pessoas–Animais–Natureza

For a full overview of the results for this party, see the Pessoas–Animais–Natureza page.

Voting Intentions Probability Accumulated Special Marks
0.5–1.5% 0% 100% Last Result
1.5–2.5% 3% 100%  
2.5–3.5% 34% 97%  
3.5–4.5% 34% 64% Median
4.5–5.5% 16% 30%  
5.5–6.5% 11% 14%  
6.5–7.5% 3% 3%  
7.5–8.5% 0.2% 0.2%  
8.5–9.5% 0% 0%  

LIVRE

For a full overview of the results for this party, see the LIVRE page.

Voting Intentions Probability Accumulated Special Marks
0.0–0.5% 14% 100%  
0.5–1.5% 79% 86% Last Result, Median
1.5–2.5% 7% 7%  
2.5–3.5% 0.1% 0.1%  
3.5–4.5% 0% 0%  

Iniciativa Liberal

For a full overview of the results for this party, see the Iniciativa Liberal page.

Voting Intentions Probability Accumulated Special Marks
0.0–0.5% 26% 100% Last Result
0.5–1.5% 70% 74% Median
1.5–2.5% 4% 4%  
2.5–3.5% 0.1% 0.1%  
3.5–4.5% 0% 0%  

Aliança

For a full overview of the results for this party, see the Aliança page.

Voting Intentions Probability Accumulated Special Marks
0.0–0.5% 29% 100% Last Result
0.5–1.5% 61% 71% Median
1.5–2.5% 9% 10%  
2.5–3.5% 0.5% 0.5%  
3.5–4.5% 0% 0%  

Chega

For a full overview of the results for this party, see the Chega page.

Voting Intentions Probability Accumulated Special Marks
0.0–0.5% 18% 100% Last Result
0.5–1.5% 58% 82% Median
1.5–2.5% 20% 24%  
2.5–3.5% 4% 4%  
3.5–4.5% 0.2% 0.2%  
4.5–5.5% 0% 0%  

Seats

Graph with seats not yet produced

Graph with seating plan not yet produced

Confidence Intervals

Party Last Result Median 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Partido Social Democrata 89 77 70–85 68–86 67–87 65–93
CDS–Partido Popular 18 6 6–7 4–9 4–10 2–12
Partido Socialista 86 108 102–114 100–115 97–117 92–119
Bloco de Esquerda 19 20 17–24 17–24 15–25 12–26
Coligação Democrática Unitária 17 13 8–17 8–18 7–19 6–20
Pessoas–Animais–Natureza 1 6 3–9 3–10 3–12 2–15
LIVRE 0 1 0–1 0–1 0–1 0–1
Iniciativa Liberal 0 0 0 0 0 0–2
Aliança 0 0 0 0 0–1 0–2
Chega 0 0 0–1 0–2 0–2 0–3

Partido Social Democrata

For a full overview of the results for this party, see the Partido Social Democrata page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
61 0% 100%  
62 0.1% 99.9%  
63 0.1% 99.9%  
64 0.2% 99.8%  
65 0.5% 99.6%  
66 1.1% 99.1%  
67 1.5% 98%  
68 2% 97%  
69 2% 94%  
70 3% 92%  
71 3% 89%  
72 4% 85%  
73 7% 81%  
74 7% 74%  
75 6% 67%  
76 6% 60%  
77 7% 54% Median
78 9% 48%  
79 6% 39%  
80 4% 33%  
81 9% 29%  
82 3% 20%  
83 3% 18%  
84 4% 15%  
85 3% 10%  
86 3% 7%  
87 2% 4%  
88 0.3% 2%  
89 0.3% 2% Last Result
90 0.1% 2%  
91 0.7% 1.4%  
92 0.1% 0.8%  
93 0.2% 0.6%  
94 0.2% 0.4%  
95 0.1% 0.2%  
96 0.1% 0.1%  
97 0% 0.1%  
98 0% 0%  

For a full overview of the results for this party, see the CDS–Partido Popular page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
2 0.7% 100%  
3 0.7% 99.3%  
4 6% 98.6%  
5 1.1% 93%  
6 54% 92% Median
7 28% 38%  
8 4% 10%  
9 2% 6%  
10 3% 4%  
11 0.5% 1.1%  
12 0.3% 0.6%  
13 0.2% 0.3%  
14 0.1% 0.1%  
15 0% 0%  
16 0% 0%  
17 0% 0%  
18 0% 0% Last Result

Partido Socialista

For a full overview of the results for this party, see the Partido Socialista page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
86 0% 100% Last Result
87 0% 100%  
88 0% 99.9%  
89 0.1% 99.9%  
90 0.1% 99.8%  
91 0.1% 99.7%  
92 0.2% 99.6%  
93 0.2% 99.4%  
94 0.2% 99.2%  
95 0.4% 99.0%  
96 0.6% 98.7%  
97 0.6% 98%  
98 1.1% 97%  
99 1.0% 96%  
100 2% 95%  
101 3% 93%  
102 5% 90%  
103 3% 85%  
104 6% 82%  
105 9% 76%  
106 9% 67%  
107 7% 58%  
108 8% 51% Median
109 9% 42%  
110 7% 33%  
111 5% 27%  
112 4% 21%  
113 4% 18%  
114 4% 14%  
115 5% 9%  
116 2% 4% Majority
117 2% 3%  
118 0.6% 1.3%  
119 0.2% 0.6%  
120 0.1% 0.4%  
121 0% 0.3%  
122 0.1% 0.2%  
123 0.1% 0.2%  
124 0% 0.1%  
125 0.1% 0.1%  
126 0% 0%  

Bloco de Esquerda

For a full overview of the results for this party, see the Bloco de Esquerda page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
10 0.2% 100%  
11 0.2% 99.7%  
12 0.2% 99.6%  
13 0.3% 99.4%  
14 1.0% 99.1%  
15 2% 98%  
16 1.3% 96%  
17 7% 95%  
18 20% 88%  
19 14% 68% Last Result
20 7% 54% Median
21 8% 47%  
22 6% 40%  
23 16% 34%  
24 15% 18%  
25 2% 3%  
26 0.6% 1.0%  
27 0.3% 0.4%  
28 0.1% 0.2%  
29 0% 0%  

Coligação Democrática Unitária

For a full overview of the results for this party, see the Coligação Democrática Unitária page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
5 0.2% 100%  
6 2% 99.8%  
7 2% 98%  
8 8% 96%  
9 18% 89%  
10 7% 71%  
11 8% 64%  
12 6% 56%  
13 12% 50% Median
14 18% 38%  
15 3% 20%  
16 3% 17%  
17 7% 14% Last Result
18 4% 7%  
19 1.4% 4%  
20 2% 2%  
21 0.2% 0.5%  
22 0.1% 0.2%  
23 0.1% 0.1%  
24 0.1% 0.1%  
25 0% 0%  

Pessoas–Animais–Natureza

For a full overview of the results for this party, see the Pessoas–Animais–Natureza page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
1 0% 100% Last Result
2 2% 100%  
3 17% 98%  
4 26% 81%  
5 5% 55%  
6 29% 50% Median
7 4% 21%  
8 5% 18%  
9 8% 13%  
10 1.2% 5%  
11 0.9% 4%  
12 1.2% 3%  
13 1.1% 2%  
14 0.5% 1.0%  
15 0.2% 0.5%  
16 0.2% 0.3%  
17 0.1% 0.1%  
18 0% 0%  

LIVRE

For a full overview of the results for this party, see the LIVRE page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 43% 100% Last Result
1 56% 57% Median
2 0.5% 0.5%  
3 0% 0%  

Iniciativa Liberal

For a full overview of the results for this party, see the Iniciativa Liberal page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 98% 100% Last Result, Median
1 0.5% 2%  
2 1.1% 1.1%  
3 0% 0%  

Aliança

For a full overview of the results for this party, see the Aliança page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 97% 100% Last Result, Median
1 0.6% 3%  
2 2% 2%  
3 0% 0%  

Chega

For a full overview of the results for this party, see the Chega page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 89% 100% Last Result, Median
1 2% 11%  
2 9% 10%  
3 0.2% 0.6%  
4 0.3% 0.4%  
5 0% 0.1%  
6 0.1% 0.1%  
7 0% 0%  

Coalitions

Graph with coalitions seats not yet produced

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 122 140 100% 134–147 132–149 129–150 122–153
Partido Socialista – Bloco de Esquerda 105 129 97% 120–134 118–136 115–137 110–141
Partido Socialista – Coligação Democrática Unitária 103 120 78% 113–127 112–129 110–130 104–133
Partido Socialista 86 108 4% 102–114 100–115 97–117 92–119
CDS–Partido Popular – Partido Social Democrata 107 83 0% 77–91 75–92 74–93 72–99

Partido Socialista – Bloco de Esquerda – Coligação Democrática Unitária

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
117 0% 100%  
118 0.1% 99.9%  
119 0.1% 99.9%  
120 0.1% 99.8%  
121 0.1% 99.8%  
122 0.2% 99.7% Last Result
123 0.1% 99.5%  
124 0.5% 99.3%  
125 0.2% 98.8%  
126 0.2% 98.6%  
127 0.2% 98%  
128 0.2% 98%  
129 1.2% 98%  
130 0.9% 97%  
131 0.8% 96%  
132 1.5% 95%  
133 2% 94%  
134 6% 92%  
135 3% 86%  
136 5% 83%  
137 7% 78%  
138 6% 71%  
139 8% 65%  
140 10% 58%  
141 5% 48% Median
142 8% 42%  
143 8% 35%  
144 5% 26%  
145 6% 22%  
146 3% 15%  
147 3% 12%  
148 3% 9%  
149 3% 6%  
150 1.3% 3%  
151 1.0% 2%  
152 0.5% 1.0%  
153 0.3% 0.5%  
154 0.1% 0.2%  
155 0.1% 0.1%  
156 0% 0.1%  
157 0% 0%  

Partido Socialista – Bloco de Esquerda

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
105 0% 100% Last Result
106 0.1% 99.9%  
107 0.1% 99.9%  
108 0.1% 99.8%  
109 0.1% 99.6%  
110 0.1% 99.5%  
111 0.1% 99.4%  
112 0.2% 99.3%  
113 0.5% 99.1%  
114 0.5% 98.6%  
115 0.9% 98%  
116 0.6% 97% Majority
117 0.8% 97%  
118 2% 96%  
119 2% 94%  
120 2% 92%  
121 2% 90%  
122 3% 88%  
123 3% 85%  
124 4% 82%  
125 8% 78%  
126 5% 70%  
127 6% 65%  
128 8% 59% Median
129 9% 51%  
130 8% 42%  
131 7% 34%  
132 7% 27%  
133 7% 20%  
134 4% 14%  
135 4% 10%  
136 2% 6%  
137 2% 5%  
138 1.0% 2%  
139 0.4% 1.4%  
140 0.3% 0.9%  
141 0.4% 0.6%  
142 0.1% 0.2%  
143 0% 0.1%  
144 0% 0.1%  
145 0% 0%  

Partido Socialista – Coligação Democrática Unitária

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
99 0% 100%  
100 0% 99.9%  
101 0% 99.9%  
102 0.1% 99.9%  
103 0.1% 99.8% Last Result
104 0.3% 99.7%  
105 0.1% 99.4%  
106 0.1% 99.3%  
107 0.6% 99.1%  
108 0.4% 98.6%  
109 0.4% 98%  
110 0.9% 98%  
111 2% 97%  
112 2% 95%  
113 3% 93%  
114 5% 90%  
115 7% 85%  
116 6% 78% Majority
117 8% 72%  
118 6% 64%  
119 7% 59%  
120 8% 52%  
121 8% 44% Median
122 6% 36%  
123 4% 30%  
124 5% 26%  
125 6% 21%  
126 3% 15%  
127 3% 12%  
128 2% 10%  
129 3% 7%  
130 2% 4%  
131 1.1% 2%  
132 0.6% 1.1%  
133 0.2% 0.6%  
134 0.2% 0.4%  
135 0.1% 0.1%  
136 0% 0.1%  
137 0% 0%  

Partido Socialista

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
86 0% 100% Last Result
87 0% 100%  
88 0% 99.9%  
89 0.1% 99.9%  
90 0.1% 99.8%  
91 0.1% 99.7%  
92 0.2% 99.6%  
93 0.2% 99.4%  
94 0.2% 99.2%  
95 0.4% 99.0%  
96 0.6% 98.7%  
97 0.6% 98%  
98 1.1% 97%  
99 1.0% 96%  
100 2% 95%  
101 3% 93%  
102 5% 90%  
103 3% 85%  
104 6% 82%  
105 9% 76%  
106 9% 67%  
107 7% 58%  
108 8% 51% Median
109 9% 42%  
110 7% 33%  
111 5% 27%  
112 4% 21%  
113 4% 18%  
114 4% 14%  
115 5% 9%  
116 2% 4% Majority
117 2% 3%  
118 0.6% 1.3%  
119 0.2% 0.6%  
120 0.1% 0.4%  
121 0% 0.3%  
122 0.1% 0.2%  
123 0.1% 0.2%  
124 0% 0.1%  
125 0.1% 0.1%  
126 0% 0%  

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
68 0.1% 100%  
69 0.1% 99.9%  
70 0.1% 99.8%  
71 0.2% 99.7%  
72 0.4% 99.5%  
73 0.9% 99.1%  
74 1.3% 98%  
75 3% 97%  
76 3% 94%  
77 4% 92%  
78 4% 87%  
79 6% 84%  
80 8% 78%  
81 6% 70%  
82 7% 64%  
83 8% 57% Median
84 8% 49%  
85 5% 41%  
86 5% 36%  
87 7% 31%  
88 5% 24%  
89 4% 19%  
90 4% 15%  
91 4% 11%  
92 4% 7%  
93 1.2% 4%  
94 0.4% 2%  
95 0.3% 2%  
96 0.3% 2%  
97 0.5% 1.4%  
98 0.2% 0.9%  
99 0.3% 0.7%  
100 0.2% 0.4%  
101 0.1% 0.2%  
102 0% 0.1%  
103 0% 0%  
104 0% 0%  
105 0% 0%  
106 0% 0%  
107 0% 0% Last Result

Technical Information