Opinion Poll by Tietoykkönen for Iltalehti and Uusi Suomi, 14–27 September 2018

Voting Intentions | Seats | Coalitions | Technical Information

Voting Intentions

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Confidence Intervals

Party Last Result Poll Result 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Suomen Sosialidemokraattinen Puolue 16.5% 22.2% 20.7–24.0% 20.2–24.4% 19.8–24.9% 19.1–25.7%
Kansallinen Kokoomus 18.2% 19.9% 18.4–21.5% 17.9–22.0% 17.6–22.4% 16.9–23.2%
Suomen Keskusta 21.1% 15.1% 13.8–16.6% 13.4–17.0% 13.1–17.4% 12.5–18.2%
Vihreä liitto 8.5% 12.3% 11.1–13.7% 10.7–14.1% 10.4–14.4% 9.9–15.1%
Vasemmistoliitto 7.1% 9.5% 8.4–10.8% 8.1–11.1% 7.9–11.4% 7.4–12.1%
Perussuomalaiset 17.6% 7.9% 6.9–9.1% 6.6–9.4% 6.4–9.7% 6.0–10.3%
Svenska folkpartiet i Finland 4.9% 4.3% 3.6–5.2% 3.4–5.5% 3.2–5.7% 2.9–6.2%
Kristillisdemokraatit 3.5% 3.9% 3.2–4.8% 3.0–5.0% 2.9–5.3% 2.6–5.7%
Sininen tulevaisuus 0.0% 2.5% 2.0–3.2% 1.8–3.4% 1.7–3.6% 1.5–4.0%

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

Graph with seats not yet produced

Confidence Intervals

Party Last Result Median 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Suomen Sosialidemokraattinen Puolue 34 50 46–55 45–56 45–58 43–60
Kansallinen Kokoomus 37 43 38–49 38–49 37–50 36–51
Suomen Keskusta 49 35 31–40 31–41 30–42 29–44
Vihreä liitto 15 23 20–27 19–28 18–29 17–31
Vasemmistoliitto 12 18 16–21 15–22 14–22 13–25
Perussuomalaiset 38 14 12–18 11–19 11–20 10–21
Svenska folkpartiet i Finland 9 8 7–11 6–11 6–11 5–13
Kristillisdemokraatit 5 6 3–6 2–6 2–7 0–8
Sininen tulevaisuus 0 1 0–1 0–1 0–1 0–2

Suomen Sosialidemokraattinen Puolue

For a full overview of the results for this party, see the Suomen Sosialidemokraattinen Puolue page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
34 0% 100% Last Result
35 0% 100%  
36 0% 100%  
37 0% 100%  
38 0% 100%  
39 0% 100%  
40 0% 100%  
41 0.1% 100%  
42 0.2% 99.9%  
43 0.7% 99.7%  
44 1.2% 99.0%  
45 4% 98%  
46 4% 94%  
47 21% 90%  
48 11% 69%  
49 7% 59%  
50 9% 52% Median
51 7% 42%  
52 10% 36%  
53 9% 26%  
54 4% 17%  
55 6% 13%  
56 2% 7%  
57 2% 5%  
58 1.3% 3%  
59 0.6% 1.3%  
60 0.6% 0.8%  
61 0.1% 0.2%  
62 0% 0.1%  
63 0.1% 0.1%  
64 0% 0%  

Kansallinen Kokoomus

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

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Number of Seats Probability Accumulated Special Marks
34 0% 100%  
35 0.1% 99.9%  
36 0.4% 99.8%  
37 4% 99.4% Last Result
38 8% 95%  
39 9% 87%  
40 7% 79%  
41 8% 72%  
42 10% 64%  
43 10% 54% Median
44 4% 44%  
45 7% 40%  
46 3% 33%  
47 6% 29%  
48 5% 23%  
49 14% 18%  
50 3% 4%  
51 0.6% 0.9%  
52 0.1% 0.2%  
53 0.1% 0.1%  
54 0% 0%  

Suomen Keskusta

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

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Number of Seats Probability Accumulated Special Marks
25 0.1% 100%  
26 0.1% 99.9%  
27 0.1% 99.8%  
28 0.2% 99.8%  
29 1.4% 99.6%  
30 3% 98%  
31 6% 95%  
32 2% 89%  
33 8% 87%  
34 19% 80%  
35 19% 60% Median
36 18% 41%  
37 5% 23%  
38 5% 18%  
39 2% 13%  
40 2% 11%  
41 6% 9%  
42 1.1% 3%  
43 1.2% 2%  
44 0.5% 0.7%  
45 0.1% 0.2%  
46 0.1% 0.1%  
47 0% 0%  
48 0% 0%  
49 0% 0% Last Result

Vihreä liitto

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

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Number of Seats Probability Accumulated Special Marks
15 0% 100% Last Result
16 0.1% 100%  
17 0.8% 99.9%  
18 4% 99.0%  
19 5% 95%  
20 9% 90%  
21 8% 81%  
22 19% 74%  
23 10% 55% Median
24 13% 45%  
25 15% 32%  
26 4% 17%  
27 6% 13%  
28 3% 7%  
29 2% 4%  
30 1.1% 2%  
31 0.4% 0.5%  
32 0% 0.1%  
33 0% 0%  

Vasemmistoliitto

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
11 0.1% 100%  
12 0.3% 99.9% Last Result
13 0.4% 99.6%  
14 3% 99.2%  
15 4% 96%  
16 10% 93%  
17 26% 82%  
18 11% 56% Median
19 15% 46%  
20 12% 31%  
21 11% 19%  
22 6% 8%  
23 0.8% 2%  
24 0.6% 1.2%  
25 0.2% 0.6%  
26 0.2% 0.4%  
27 0.1% 0.2%  
28 0.1% 0.1%  
29 0% 0%  

Perussuomalaiset

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
9 0.1% 100%  
10 2% 99.9%  
11 3% 98%  
12 20% 95%  
13 17% 75%  
14 27% 59% Median
15 9% 32%  
16 5% 23%  
17 7% 18%  
18 4% 11%  
19 4% 7%  
20 2% 3%  
21 0.8% 1.2%  
22 0.3% 0.3%  
23 0.1% 0.1%  
24 0% 0%  
25 0% 0%  
26 0% 0%  
27 0% 0%  
28 0% 0%  
29 0% 0%  
30 0% 0%  
31 0% 0%  
32 0% 0%  
33 0% 0%  
34 0% 0%  
35 0% 0%  
36 0% 0%  
37 0% 0%  
38 0% 0% Last Result

Svenska folkpartiet i Finland

For a full overview of the results for this party, see the Svenska folkpartiet i Finland page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
4 0.4% 100%  
5 0.5% 99.5%  
6 8% 99.1%  
7 21% 91%  
8 25% 70% Median
9 21% 46% Last Result
10 11% 25%  
11 13% 14%  
12 0.3% 0.8%  
13 0.4% 0.5%  
14 0.1% 0.1%  
15 0% 0%  

Kristillisdemokraatit

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 0.5% 100%  
1 0.5% 99.5%  
2 7% 98.9%  
3 3% 92%  
4 3% 89%  
5 8% 85% Last Result
6 75% 78% Median
7 2% 3%  
8 0.4% 0.7%  
9 0.2% 0.3%  
10 0% 0%  

Sininen tulevaisuus

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 46% 100% Last Result
1 53% 54% Median
2 0.9% 1.2%  
3 0.1% 0.3%  
4 0.1% 0.2%  
5 0% 0.1%  
6 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
Suomen Sosialidemokraattinen Puolue – Kansallinen Kokoomus – Vihreä liitto – Vasemmistoliitto – Svenska folkpartiet i Finland – Kristillisdemokraatit 112 149 100% 144–153 143–154 142–155 140–158
Suomen Sosialidemokraattinen Puolue – Kansallinen Kokoomus – Vihreä liitto – Svenska folkpartiet i Finland – Kristillisdemokraatit 100 131 100% 125–135 124–136 123–138 121–139
Suomen Sosialidemokraattinen Puolue – Kansallinen Kokoomus – Svenska folkpartiet i Finland – Kristillisdemokraatit 85 108 95% 102–112 100–113 99–115 98–117
Suomen Sosialidemokraattinen Puolue – Vihreä liitto – Vasemmistoliitto – Svenska folkpartiet i Finland 70 99 42% 95–106 94–108 92–109 90–111
Kansallinen Kokoomus – Suomen Keskusta – Perussuomalaiset 124 94 4% 87–98 85–100 84–101 82–103
Kansallinen Kokoomus – Suomen Keskusta – Svenska folkpartiet i Finland – Kristillisdemokraatit 100 93 0.9% 87–99 85–100 84–100 82–102
Suomen Sosialidemokraattinen Puolue – Vihreä liitto – Vasemmistoliitto 61 91 2% 86–98 86–99 84–100 82–102
Kansallinen Kokoomus – Suomen Keskusta – Sininen tulevaisuus 86 79 0% 73–85 72–85 71–87 69–89

Suomen Sosialidemokraattinen Puolue – Kansallinen Kokoomus – Vihreä liitto – Vasemmistoliitto – Svenska folkpartiet i Finland – Kristillisdemokraatit

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Number of Seats Probability Accumulated Special Marks
112 0% 100% Last Result
113 0% 100%  
114 0% 100%  
115 0% 100%  
116 0% 100%  
117 0% 100%  
118 0% 100%  
119 0% 100%  
120 0% 100%  
121 0% 100%  
122 0% 100%  
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 0.1% 100%  
138 0.2% 99.8%  
139 0.1% 99.6%  
140 0.4% 99.5%  
141 0.9% 99.1%  
142 1.3% 98%  
143 4% 97%  
144 4% 93%  
145 7% 89%  
146 7% 82%  
147 10% 75%  
148 5% 65% Median
149 11% 59%  
150 15% 48%  
151 11% 33%  
152 8% 22%  
153 6% 15%  
154 4% 8%  
155 2% 5%  
156 0.9% 2%  
157 0.5% 1.1%  
158 0.5% 0.6%  
159 0.1% 0.1%  
160 0% 0%  

Suomen Sosialidemokraattinen Puolue – Kansallinen Kokoomus – Vihreä liitto – Svenska folkpartiet i Finland – Kristillisdemokraatit

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Number of Seats Probability Accumulated Special Marks
100 0% 100% Last Result
101 0% 100% Majority
102 0% 100%  
103 0% 100%  
104 0% 100%  
105 0% 100%  
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%  
117 0% 100%  
118 0% 100%  
119 0.1% 99.9%  
120 0.3% 99.9%  
121 0.5% 99.6%  
122 0.7% 99.1%  
123 3% 98%  
124 3% 96%  
125 3% 92%  
126 3% 89%  
127 7% 86%  
128 9% 79%  
129 6% 70%  
130 9% 64% Median
131 12% 55%  
132 6% 43%  
133 18% 38%  
134 7% 20%  
135 4% 12%  
136 4% 8%  
137 2% 5%  
138 2% 3%  
139 0.3% 0.8%  
140 0.2% 0.5%  
141 0.2% 0.2%  
142 0.1% 0.1%  
143 0% 0%  

Suomen Sosialidemokraattinen Puolue – Kansallinen Kokoomus – Svenska folkpartiet i Finland – Kristillisdemokraatit

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
85 0% 100% Last Result
86 0% 100%  
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% 100%  
96 0.1% 99.9%  
97 0.2% 99.8%  
98 0.6% 99.7%  
99 2% 99.0%  
100 3% 97%  
101 2% 95% Majority
102 6% 93%  
103 6% 86%  
104 4% 80%  
105 6% 76%  
106 7% 70%  
107 11% 63% Median
108 10% 52%  
109 9% 42%  
110 5% 33%  
111 13% 27%  
112 5% 14%  
113 5% 9%  
114 1.0% 4%  
115 2% 3%  
116 0.5% 1.2%  
117 0.3% 0.7%  
118 0.1% 0.4%  
119 0.2% 0.2%  
120 0.1% 0.1%  
121 0% 0%  

Suomen Sosialidemokraattinen Puolue – Vihreä liitto – Vasemmistoliitto – Svenska folkpartiet i Finland

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
70 0% 100% Last Result
71 0% 100%  
72 0% 100%  
73 0% 100%  
74 0% 100%  
75 0% 100%  
76 0% 100%  
77 0% 100%  
78 0% 100%  
79 0% 100%  
80 0% 100%  
81 0% 100%  
82 0% 100%  
83 0% 100%  
84 0% 100%  
85 0% 100%  
86 0% 100%  
87 0% 100%  
88 0% 100%  
89 0.2% 99.9%  
90 0.3% 99.7%  
91 1.1% 99.5%  
92 1.4% 98%  
93 1.4% 97%  
94 4% 96%  
95 9% 92%  
96 7% 83%  
97 7% 76%  
98 8% 69%  
99 13% 62% Median
100 7% 48%  
101 6% 42% Majority
102 6% 35%  
103 5% 29%  
104 7% 25%  
105 6% 17%  
106 2% 12%  
107 3% 10%  
108 3% 7%  
109 1.2% 3%  
110 0.9% 2%  
111 0.8% 1.0%  
112 0.1% 0.2%  
113 0.1% 0.1%  
114 0% 0%  

Kansallinen Kokoomus – Suomen Keskusta – Perussuomalaiset

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Number of Seats Probability Accumulated Special Marks
81 0.1% 100%  
82 1.0% 99.9%  
83 1.0% 98.9%  
84 1.3% 98%  
85 4% 97%  
86 2% 93%  
87 4% 91%  
88 6% 87%  
89 6% 81%  
90 5% 75%  
91 6% 69%  
92 6% 64% Median
93 7% 58%  
94 10% 51%  
95 9% 41%  
96 7% 32%  
97 5% 24%  
98 11% 19%  
99 3% 9%  
100 2% 6%  
101 2% 4% Majority
102 0.8% 1.4%  
103 0.3% 0.5%  
104 0.2% 0.3%  
105 0.1% 0.1%  
106 0% 0%  
107 0% 0%  
108 0% 0%  
109 0% 0%  
110 0% 0%  
111 0% 0%  
112 0% 0%  
113 0% 0%  
114 0% 0%  
115 0% 0%  
116 0% 0%  
117 0% 0%  
118 0% 0%  
119 0% 0%  
120 0% 0%  
121 0% 0%  
122 0% 0%  
123 0% 0%  
124 0% 0% Last Result

Kansallinen Kokoomus – Suomen Keskusta – Svenska folkpartiet i Finland – Kristillisdemokraatit

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
79 0% 100%  
80 0.1% 99.9%  
81 0.3% 99.9%  
82 0.2% 99.6%  
83 1.1% 99.4%  
84 1.2% 98%  
85 3% 97%  
86 3% 94%  
87 7% 92%  
88 6% 85%  
89 6% 79%  
90 8% 73%  
91 4% 66%  
92 9% 62% Median
93 7% 53%  
94 14% 46%  
95 7% 32%  
96 4% 25%  
97 4% 21%  
98 4% 17%  
99 5% 13%  
100 8% 8% Last Result
101 0.3% 0.9% Majority
102 0.2% 0.5%  
103 0.2% 0.4%  
104 0.1% 0.2%  
105 0% 0.1%  
106 0% 0%  

Suomen Sosialidemokraattinen Puolue – Vihreä liitto – Vasemmistoliitto

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
61 0% 100% Last Result
62 0% 100%  
63 0% 100%  
64 0% 100%  
65 0% 100%  
66 0% 100%  
67 0% 100%  
68 0% 100%  
69 0% 100%  
70 0% 100%  
71 0% 100%  
72 0% 100%  
73 0% 100%  
74 0% 100%  
75 0% 100%  
76 0% 100%  
77 0% 100%  
78 0% 100%  
79 0% 100%  
80 0% 100%  
81 0.1% 99.9%  
82 0.4% 99.8%  
83 1.4% 99.5%  
84 2% 98%  
85 0.8% 96%  
86 9% 95%  
87 4% 86%  
88 9% 82%  
89 8% 73%  
90 8% 66%  
91 8% 57% Median
92 8% 49%  
93 9% 41%  
94 7% 32%  
95 6% 25%  
96 5% 19%  
97 4% 14%  
98 3% 11%  
99 4% 8%  
100 1.5% 4%  
101 0.8% 2% Majority
102 0.9% 1.3%  
103 0.3% 0.4%  
104 0.1% 0.1%  
105 0% 0%  

Kansallinen Kokoomus – Suomen Keskusta – Sininen tulevaisuus

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
67 0.1% 100%  
68 0.4% 99.9%  
69 0.4% 99.5%  
70 0.8% 99.1%  
71 2% 98%  
72 3% 97%  
73 4% 94%  
74 8% 90%  
75 4% 82%  
76 3% 78%  
77 14% 75%  
78 5% 61%  
79 7% 56% Median
80 6% 49%  
81 8% 43%  
82 7% 35%  
83 8% 28%  
84 5% 20%  
85 10% 15%  
86 2% 4% Last Result
87 1.4% 3%  
88 0.7% 1.2%  
89 0.2% 0.5%  
90 0.1% 0.3%  
91 0.2% 0.2%  
92 0% 0.1%  
93 0% 0%  

Technical Information

Opinion Poll

Calculations