Opinion Poll by ICS/ISCTE for Expresso and SIC Notícias, 15–27 June 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% |
37.7% |
35.5–39.9% |
34.9–40.6% |
34.4–41.1% |
33.4–42.2% |
Partido Social Democrata |
36.9% |
22.8% |
21.0–24.8% |
20.5–25.4% |
20.1–25.9% |
19.2–26.9% |
Bloco de Esquerda |
10.2% |
10.9% |
9.6–12.4% |
9.2–12.8% |
8.9–13.2% |
8.3–14.0% |
Coligação Democrática Unitária |
8.2% |
8.0% |
6.9–9.4% |
6.6–9.7% |
6.3–10.1% |
5.8–10.8% |
CDS–Partido Popular |
36.9% |
5.0% |
4.1–6.1% |
3.9–6.4% |
3.7–6.7% |
3.3–7.3% |
Pessoas–Animais–Natureza |
1.4% |
4.0% |
3.2–5.0% |
3.0–5.3% |
2.8–5.6% |
2.5–6.1% |
Chega |
0.0% |
1.0% |
0.7–1.6% |
0.6–1.8% |
0.5–2.0% |
0.4–2.3% |
LIVRE |
0.7% |
0.2% |
0.1–0.7% |
0.1–0.8% |
0.1–0.9% |
0.0–1.2% |
Iniciativa Liberal |
0.0% |
0.2% |
0.1–0.7% |
0.1–0.8% |
0.1–0.9% |
0.0–1.2% |
Aliança |
0.0% |
0.2% |
0.1–0.7% |
0.1–0.8% |
0.1–0.9% |
0.0–1.2% |
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
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
Confidence Intervals
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% |
100% |
|
88 |
0% |
100% |
|
89 |
0% |
100% |
|
90 |
0% |
100% |
|
91 |
0% |
100% |
|
92 |
0% |
100% |
|
93 |
0% |
100% |
|
94 |
0% |
100% |
|
95 |
0.5% |
100% |
|
96 |
0% |
99.5% |
|
97 |
0% |
99.5% |
|
98 |
0.1% |
99.5% |
|
99 |
0% |
99.4% |
|
100 |
0.1% |
99.4% |
|
101 |
6% |
99.2% |
|
102 |
0.5% |
94% |
|
103 |
0.3% |
93% |
|
104 |
4% |
93% |
|
105 |
0.4% |
89% |
|
106 |
3% |
89% |
|
107 |
0.3% |
86% |
|
108 |
1.0% |
85% |
|
109 |
1.1% |
84% |
|
110 |
30% |
83% |
|
111 |
1.3% |
54% |
|
112 |
1.0% |
52% |
|
113 |
3% |
51% |
Median |
114 |
2% |
48% |
|
115 |
3% |
46% |
|
116 |
26% |
42% |
Majority |
117 |
6% |
17% |
|
118 |
1.0% |
11% |
|
119 |
7% |
10% |
|
120 |
0.4% |
2% |
|
121 |
0.2% |
2% |
|
122 |
0% |
2% |
|
123 |
0.1% |
2% |
|
124 |
0.1% |
2% |
|
125 |
0.5% |
2% |
|
126 |
0% |
1.0% |
|
127 |
0.8% |
1.0% |
|
128 |
0.2% |
0.2% |
|
129 |
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 |
52 |
0% |
100% |
|
53 |
0% |
99.9% |
|
54 |
0.4% |
99.9% |
|
55 |
0.6% |
99.5% |
|
56 |
1.1% |
98.9% |
|
57 |
0.5% |
98% |
|
58 |
1.1% |
97% |
|
59 |
4% |
96% |
|
60 |
8% |
92% |
|
61 |
32% |
84% |
|
62 |
0.8% |
52% |
|
63 |
0.2% |
51% |
|
64 |
28% |
51% |
Median |
65 |
0.2% |
23% |
|
66 |
1.4% |
23% |
|
67 |
2% |
21% |
|
68 |
5% |
19% |
|
69 |
0.1% |
14% |
|
70 |
0.3% |
14% |
|
71 |
0.9% |
14% |
|
72 |
10% |
13% |
|
73 |
0.8% |
3% |
|
74 |
1.3% |
2% |
|
75 |
0.1% |
0.9% |
|
76 |
0% |
0.8% |
|
77 |
0.6% |
0.8% |
|
78 |
0% |
0.1% |
|
79 |
0.1% |
0.1% |
|
80 |
0% |
0% |
|
81 |
0% |
0% |
|
82 |
0% |
0% |
|
83 |
0% |
0% |
|
84 |
0% |
0% |
|
85 |
0% |
0% |
|
86 |
0% |
0% |
|
87 |
0% |
0% |
|
88 |
0% |
0% |
|
89 |
0% |
0% |
Last Result |
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 |
15 |
0% |
100% |
|
16 |
0.2% |
99.9% |
|
17 |
0.6% |
99.8% |
|
18 |
4% |
99.2% |
|
19 |
4% |
95% |
Last Result |
20 |
5% |
91% |
|
21 |
3% |
86% |
|
22 |
2% |
82% |
|
23 |
6% |
81% |
|
24 |
2% |
75% |
|
25 |
4% |
72% |
|
26 |
0.5% |
68% |
|
27 |
7% |
68% |
|
28 |
55% |
61% |
Median |
29 |
5% |
6% |
|
30 |
0.1% |
0.9% |
|
31 |
0.2% |
0.8% |
|
32 |
0.2% |
0.6% |
|
33 |
0.1% |
0.4% |
|
34 |
0.2% |
0.3% |
|
35 |
0.1% |
0.1% |
|
36 |
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 |
7 |
0.1% |
100% |
|
8 |
0% |
99.9% |
|
9 |
0.1% |
99.8% |
|
10 |
0.1% |
99.8% |
|
11 |
0.3% |
99.6% |
|
12 |
0% |
99.3% |
|
13 |
32% |
99.3% |
|
14 |
6% |
67% |
|
15 |
2% |
61% |
|
16 |
6% |
59% |
|
17 |
16% |
53% |
Last Result, Median |
18 |
3% |
37% |
|
19 |
30% |
34% |
|
20 |
3% |
4% |
|
21 |
0.2% |
1.2% |
|
22 |
0.7% |
1.0% |
|
23 |
0% |
0.3% |
|
24 |
0.3% |
0.3% |
|
25 |
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 |
2 |
0.1% |
100% |
|
3 |
0% |
99.9% |
|
4 |
0.3% |
99.9% |
|
5 |
0.3% |
99.6% |
|
6 |
34% |
99.3% |
|
7 |
52% |
65% |
Median |
8 |
2% |
13% |
|
9 |
5% |
12% |
|
10 |
5% |
7% |
|
11 |
0.4% |
2% |
|
12 |
0.3% |
2% |
|
13 |
0.6% |
1.2% |
|
14 |
0% |
0.7% |
|
15 |
0.5% |
0.6% |
|
16 |
0.1% |
0.2% |
|
17 |
0% |
0% |
|
18 |
0% |
0% |
Last Result |
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 |
0.9% |
100% |
|
3 |
31% |
99.1% |
|
4 |
1.2% |
68% |
|
5 |
29% |
67% |
Median |
6 |
29% |
38% |
|
7 |
3% |
8% |
|
8 |
0.5% |
5% |
|
9 |
4% |
4% |
|
10 |
0.1% |
0.2% |
|
11 |
0% |
0.1% |
|
12 |
0% |
0.1% |
|
13 |
0% |
0.1% |
|
14 |
0.1% |
0.1% |
|
15 |
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 |
98.8% |
100% |
Last Result, Median |
1 |
0% |
1.2% |
|
2 |
1.2% |
1.2% |
|
3 |
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 |
99.3% |
100% |
Last Result, Median |
1 |
0.7% |
0.7% |
|
2 |
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 |
100% |
100% |
Last Result, Median |
Aliança
For a full overview of the results for this party, see the Aliança page.

Number of Seats |
Probability |
Accumulated |
Special Marks |
0 |
100% |
100% |
Last Result, Median |
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 |
157 |
100% |
145–157 |
145–158 |
144–161 |
140–163 |
Partido Socialista – Bloco de Esquerda |
105 |
138 |
100% |
129–144 |
128–144 |
128–144 |
122–149 |
Partido Socialista – Coligação Democrática Unitária |
103 |
129 |
99.3% |
120–134 |
118–136 |
118–137 |
113–144 |
Partido Socialista |
86 |
113 |
42% |
104–118 |
101–119 |
101–119 |
95–127 |
Partido Social Democrata – CDS–Partido Popular |
107 |
70 |
0% |
68–79 |
66–79 |
63–80 |
62–84 |
Partido Socialista – Bloco de Esquerda – Coligação Democrática Unitária

Number of Seats |
Probability |
Accumulated |
Special Marks |
122 |
0% |
100% |
Last Result |
123 |
0% |
100% |
|
124 |
0% |
100% |
|
125 |
0% |
100% |
|
126 |
0% |
100% |
|
127 |
0% |
100% |
|
128 |
0% |
100% |
|
129 |
0% |
100% |
|
130 |
0% |
100% |
|
131 |
0% |
100% |
|
132 |
0% |
100% |
|
133 |
0% |
100% |
|
134 |
0% |
100% |
|
135 |
0% |
100% |
|
136 |
0% |
100% |
|
137 |
0% |
100% |
|
138 |
0% |
99.9% |
|
139 |
0% |
99.9% |
|
140 |
1.0% |
99.9% |
|
141 |
0.1% |
98.9% |
|
142 |
0.2% |
98.8% |
|
143 |
0.1% |
98.5% |
|
144 |
1.1% |
98% |
|
145 |
10% |
97% |
|
146 |
0.6% |
87% |
|
147 |
0.2% |
87% |
|
148 |
1.1% |
87% |
|
149 |
5% |
85% |
|
150 |
2% |
80% |
|
151 |
1.4% |
78% |
|
152 |
0.3% |
77% |
|
153 |
1.1% |
76% |
|
154 |
6% |
75% |
|
155 |
8% |
70% |
|
156 |
0.2% |
62% |
|
157 |
56% |
62% |
|
158 |
2% |
6% |
Median |
159 |
0.2% |
4% |
|
160 |
0.4% |
3% |
|
161 |
0.8% |
3% |
|
162 |
1.3% |
2% |
|
163 |
0.4% |
0.8% |
|
164 |
0.4% |
0.5% |
|
165 |
0% |
0% |
|
Partido Socialista – Bloco de Esquerda

Number of Seats |
Probability |
Accumulated |
Special Marks |
105 |
0% |
100% |
Last Result |
106 |
0% |
100% |
|
107 |
0% |
100% |
|
108 |
0% |
100% |
|
109 |
0% |
100% |
|
110 |
0% |
100% |
|
111 |
0% |
100% |
|
112 |
0% |
100% |
|
113 |
0% |
100% |
|
114 |
0% |
100% |
|
115 |
0% |
100% |
|
116 |
0% |
100% |
Majority |
117 |
0% |
100% |
|
118 |
0% |
100% |
|
119 |
0% |
100% |
|
120 |
0% |
100% |
|
121 |
0% |
100% |
|
122 |
0.5% |
99.9% |
|
123 |
0.3% |
99.4% |
|
124 |
0.1% |
99.1% |
|
125 |
0.3% |
99.0% |
|
126 |
0.3% |
98.7% |
|
127 |
0.1% |
98% |
|
128 |
6% |
98% |
|
129 |
5% |
93% |
|
130 |
0.7% |
88% |
|
131 |
4% |
87% |
|
132 |
0.2% |
82% |
|
133 |
0.2% |
82% |
|
134 |
2% |
82% |
|
135 |
2% |
80% |
|
136 |
0.9% |
77% |
|
137 |
6% |
76% |
|
138 |
33% |
70% |
|
139 |
1.4% |
37% |
|
140 |
0.3% |
36% |
|
141 |
0.1% |
35% |
Median |
142 |
5% |
35% |
|
143 |
0.5% |
31% |
|
144 |
28% |
30% |
|
145 |
0.1% |
2% |
|
146 |
0.4% |
2% |
|
147 |
0.4% |
2% |
|
148 |
0.7% |
1.3% |
|
149 |
0.4% |
0.6% |
|
150 |
0% |
0.2% |
|
151 |
0.1% |
0.1% |
|
152 |
0% |
0% |
|
Partido Socialista – Coligação Democrática Unitária

Number of Seats |
Probability |
Accumulated |
Special Marks |
103 |
0% |
100% |
Last Result |
104 |
0% |
100% |
|
105 |
0% |
100% |
|
106 |
0% |
100% |
|
107 |
0% |
100% |
|
108 |
0% |
100% |
|
109 |
0% |
100% |
|
110 |
0% |
100% |
|
111 |
0.1% |
100% |
|
112 |
0% |
99.9% |
|
113 |
0.5% |
99.9% |
|
114 |
0% |
99.4% |
|
115 |
0.1% |
99.4% |
|
116 |
0% |
99.3% |
Majority |
117 |
0.1% |
99.3% |
|
118 |
6% |
99.2% |
|
119 |
0.2% |
93% |
|
120 |
7% |
93% |
|
121 |
0.8% |
87% |
|
122 |
0.5% |
86% |
|
123 |
0.5% |
85% |
|
124 |
0.2% |
85% |
|
125 |
0.5% |
85% |
|
126 |
4% |
84% |
|
127 |
1.0% |
81% |
|
128 |
3% |
80% |
|
129 |
53% |
77% |
|
130 |
0.4% |
23% |
Median |
131 |
5% |
23% |
|
132 |
4% |
18% |
|
133 |
1.2% |
14% |
|
134 |
5% |
13% |
|
135 |
0% |
8% |
|
136 |
4% |
8% |
|
137 |
2% |
4% |
|
138 |
0.1% |
2% |
|
139 |
0% |
2% |
|
140 |
0% |
2% |
|
141 |
1.1% |
2% |
|
142 |
0% |
0.6% |
|
143 |
0% |
0.5% |
|
144 |
0.1% |
0.5% |
|
145 |
0.4% |
0.4% |
|
146 |
0% |
0% |
|
Partido Socialista

Number of Seats |
Probability |
Accumulated |
Special Marks |
86 |
0% |
100% |
Last Result |
87 |
0% |
100% |
|
88 |
0% |
100% |
|
89 |
0% |
100% |
|
90 |
0% |
100% |
|
91 |
0% |
100% |
|
92 |
0% |
100% |
|
93 |
0% |
100% |
|
94 |
0% |
100% |
|
95 |
0.5% |
100% |
|
96 |
0% |
99.5% |
|
97 |
0% |
99.5% |
|
98 |
0.1% |
99.5% |
|
99 |
0% |
99.4% |
|
100 |
0.1% |
99.4% |
|
101 |
6% |
99.2% |
|
102 |
0.5% |
94% |
|
103 |
0.3% |
93% |
|
104 |
4% |
93% |
|
105 |
0.4% |
89% |
|
106 |
3% |
89% |
|
107 |
0.3% |
86% |
|
108 |
1.0% |
85% |
|
109 |
1.1% |
84% |
|
110 |
30% |
83% |
|
111 |
1.3% |
54% |
|
112 |
1.0% |
52% |
|
113 |
3% |
51% |
Median |
114 |
2% |
48% |
|
115 |
3% |
46% |
|
116 |
26% |
42% |
Majority |
117 |
6% |
17% |
|
118 |
1.0% |
11% |
|
119 |
7% |
10% |
|
120 |
0.4% |
2% |
|
121 |
0.2% |
2% |
|
122 |
0% |
2% |
|
123 |
0.1% |
2% |
|
124 |
0.1% |
2% |
|
125 |
0.5% |
2% |
|
126 |
0% |
1.0% |
|
127 |
0.8% |
1.0% |
|
128 |
0.2% |
0.2% |
|
129 |
0% |
0% |
|
Partido Social Democrata – CDS–Partido Popular

Number of Seats |
Probability |
Accumulated |
Special Marks |
59 |
0% |
100% |
|
60 |
0% |
99.9% |
|
61 |
0.3% |
99.9% |
|
62 |
0.9% |
99.6% |
|
63 |
1.3% |
98.7% |
|
64 |
0.4% |
97% |
|
65 |
1.2% |
97% |
|
66 |
4% |
96% |
|
67 |
0.5% |
92% |
|
68 |
28% |
92% |
|
69 |
6% |
64% |
|
70 |
34% |
58% |
|
71 |
0.3% |
24% |
Median |
72 |
0.1% |
24% |
|
73 |
2% |
24% |
|
74 |
4% |
22% |
|
75 |
3% |
18% |
|
76 |
0.6% |
15% |
|
77 |
0.2% |
14% |
|
78 |
0.9% |
14% |
|
79 |
10% |
13% |
|
80 |
2% |
4% |
|
81 |
0.3% |
2% |
|
82 |
0.2% |
1.4% |
|
83 |
0.3% |
1.2% |
|
84 |
0.7% |
0.9% |
|
85 |
0.1% |
0.2% |
|
86 |
0.1% |
0.1% |
|
87 |
0% |
0% |
|
88 |
0% |
0% |
|
89 |
0% |
0% |
|
90 |
0% |
0% |
|
91 |
0% |
0% |
|
92 |
0% |
0% |
|
93 |
0% |
0% |
|
94 |
0% |
0% |
|
95 |
0% |
0% |
|
96 |
0% |
0% |
|
97 |
0% |
0% |
|
98 |
0% |
0% |
|
99 |
0% |
0% |
|
100 |
0% |
0% |
|
101 |
0% |
0% |
|
102 |
0% |
0% |
|
103 |
0% |
0% |
|
104 |
0% |
0% |
|
105 |
0% |
0% |
|
106 |
0% |
0% |
|
107 |
0% |
0% |
Last Result |
Opinion Poll
- Polling firm: ICS/ISCTE
- Commissioner(s): Expresso and SIC Notícias
- Fieldwork period: 15–27 June 2019
Calculations
- Sample size: 801
- Simulations done: 131,072
- Error estimate: 2.55%