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

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.

| 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.

| 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.

| 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.

| 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.

| 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.

| 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.

| 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.

| 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.

| 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

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

| 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

| 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

| 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

| 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

| 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

| 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

| 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

| 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
- Polling firm: Tietoykkönen
- Commissioner(s): Iltalehti and Uusi Suomi
- Fieldwork period: 14–27 September 2018
Calculations
- Sample size: 1052
- Simulations done: 1,048,576
- Error estimate: 2.04%