Opinion Poll by Gallup, 3 September–1 October 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 |
|---|---|---|---|---|---|---|
| Sjálfstæðisflokkurinn | 25.2% | 24.6% | 23.6–25.7% | 23.3–25.9% | 23.1–26.2% | 22.6–26.7% |
| Samfylkingin | 12.1% | 19.3% | 18.4–20.3% | 18.1–20.5% | 17.9–20.8% | 17.5–21.2% |
| Píratar | 9.2% | 11.5% | 10.8–12.3% | 10.6–12.5% | 10.4–12.7% | 10.1–13.1% |
| Viðreisn | 6.7% | 10.7% | 10.0–11.5% | 9.8–11.7% | 9.6–11.9% | 9.3–12.2% |
| Vinstrihreyfingin – grænt framboð | 16.9% | 10.3% | 9.6–11.1% | 9.4–11.3% | 9.3–11.5% | 8.9–11.8% |
| Miðflokkurinn | 10.9% | 9.8% | 9.1–10.5% | 8.9–10.7% | 8.8–10.9% | 8.5–11.3% |
| Framsóknarflokkurinn | 10.7% | 6.6% | 6.0–7.2% | 5.9–7.4% | 5.7–7.6% | 5.5–7.9% |
| Flokkur fólksins | 6.9% | 5.9% | 5.4–6.5% | 5.2–6.7% | 5.1–6.8% | 4.9–7.1% |
| Sósíalistaflokkur Íslands | 0.0% | 0.9% | 0.7–1.2% | 0.7–1.2% | 0.6–1.3% | 0.5–1.4% |
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 |
|---|---|---|---|---|---|---|
| Sjálfstæðisflokkurinn | 16 | 17 | 15–17 | 15–17 | 15–18 | 15–18 |
| Samfylkingin | 7 | 13 | 12–14 | 12–15 | 11–15 | 11–15 |
| Píratar | 6 | 7 | 7–8 | 7–8 | 6–8 | 6–8 |
| Viðreisn | 4 | 7 | 6–7 | 6–7 | 6–8 | 6–8 |
| Vinstrihreyfingin – grænt framboð | 11 | 6 | 6–7 | 6–7 | 6–7 | 5–8 |
| Miðflokkurinn | 7 | 6 | 5–6 | 5–7 | 5–7 | 5–8 |
| Framsóknarflokkurinn | 8 | 4 | 3–4 | 3–4 | 3–4 | 3–5 |
| Flokkur fólksins | 4 | 3 | 3–4 | 3–4 | 3–4 | 0–4 |
| Sósíalistaflokkur Íslands | 0 | 0 | 0 | 0 | 0 | 0 |
Sjálfstæðisflokkurinn
For a full overview of the results for this party, see the Sjálfstæðisflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 0.2% | 100% | |
| 15 | 19% | 99.8% | |
| 16 | 24% | 81% | Last Result |
| 17 | 53% | 57% | Median |
| 18 | 4% | 4% | |
| 19 | 0.1% | 0.1% | |
| 20 | 0% | 0% |
Samfylkingin
For a full overview of the results for this party, see the Samfylkingin page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 7 | 0% | 100% | Last Result |
| 8 | 0% | 100% | |
| 9 | 0% | 100% | |
| 10 | 0% | 100% | |
| 11 | 4% | 100% | |
| 12 | 39% | 96% | |
| 13 | 41% | 57% | Median |
| 14 | 8% | 16% | |
| 15 | 8% | 8% | |
| 16 | 0% | 0% |
Píratar
For a full overview of the results for this party, see the Píratar page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 6 | 3% | 100% | Last Result |
| 7 | 47% | 97% | Median |
| 8 | 49% | 49% | |
| 9 | 0.1% | 0.1% | |
| 10 | 0% | 0% |
Viðreisn
For a full overview of the results for this party, see the Viðreisn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 4 | 0% | 100% | Last Result |
| 5 | 0.1% | 100% | |
| 6 | 30% | 99.9% | |
| 7 | 65% | 69% | Median |
| 8 | 4% | 4% | |
| 9 | 0% | 0% |
Vinstrihreyfingin – grænt framboð
For a full overview of the results for this party, see the Vinstrihreyfingin – grænt framboð page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 5 | 1.3% | 100% | |
| 6 | 67% | 98.7% | Median |
| 7 | 31% | 31% | |
| 8 | 0.8% | 0.8% | |
| 9 | 0% | 0% | |
| 10 | 0% | 0% | |
| 11 | 0% | 0% | Last Result |
Miðflokkurinn
For a full overview of the results for this party, see the Miðflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 5 | 11% | 100% | |
| 6 | 79% | 89% | Median |
| 7 | 9% | 10% | Last Result |
| 8 | 1.0% | 1.1% | |
| 9 | 0.1% | 0.1% | |
| 10 | 0% | 0% |
Framsóknarflokkurinn
For a full overview of the results for this party, see the Framsóknarflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 3 | 16% | 100% | |
| 4 | 82% | 84% | Median |
| 5 | 2% | 2% | |
| 6 | 0% | 0% | |
| 7 | 0% | 0% | |
| 8 | 0% | 0% | Last Result |
Flokkur fólksins
For a full overview of the results for this party, see the Flokkur fólksins page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 1.0% | 100% | |
| 1 | 0% | 99.0% | |
| 2 | 0% | 99.0% | |
| 3 | 52% | 99.0% | Median |
| 4 | 47% | 47% | Last Result |
| 5 | 0.1% | 0.1% | |
| 6 | 0% | 0% |
Sósíalistaflokkur Íslands
For a full overview of the results for this party, see the Sósíalistaflokkur Íslands 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 |
|---|---|---|---|---|---|---|---|
| Samfylkingin – Píratar – Viðreisn – Vinstrihreyfingin – grænt framboð | 28 | 33 | 98% | 32–35 | 32–35 | 32–35 | 31–36 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn – Framsóknarflokkurinn | 33 | 29 | 0.5% | 28–31 | 28–31 | 28–31 | 27–32 |
| Sjálfstæðisflokkurinn – Samfylkingin | 23 | 29 | 0.4% | 28–30 | 28–31 | 28–31 | 27–31 |
| Sjálfstæðisflokkurinn – Miðflokkurinn – Framsóknarflokkurinn | 31 | 26 | 0% | 25–27 | 25–28 | 25–28 | 24–29 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 35 | 27 | 0% | 25–28 | 25–28 | 25–28 | 25–29 |
| Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð | 24 | 26 | 0% | 26–28 | 25–28 | 25–28 | 24–29 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 25 | 25 | 0% | 24–27 | 24–27 | 24–27 | 23–28 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 26 | 23 | 0% | 22–24 | 22–25 | 22–25 | 21–25 |
| Sjálfstæðisflokkurinn – Viðreisn | 20 | 23 | 0% | 22–24 | 22–24 | 22–24 | 21–25 |
| Sjálfstæðisflokkurinn – Miðflokkurinn | 23 | 23 | 0% | 21–23 | 21–23 | 21–24 | 20–25 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð | 27 | 23 | 0% | 21–24 | 21–24 | 21–24 | 21–25 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn | 24 | 21 | 0% | 19–21 | 19–21 | 19–22 | 18–22 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð | 18 | 19 | 0% | 18–20 | 18–21 | 18–21 | 17–22 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn – Framsóknarflokkurinn | 26 | 16 | 0% | 15–17 | 15–17 | 15–18 | 14–18 |
| Píratar – Vinstrihreyfingin – grænt framboð | 17 | 14 | 0% | 13–15 | 13–15 | 13–15 | 12–15 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 18 | 12 | 0% | 12–13 | 11–13 | 11–14 | 11–14 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 19 | 10 | 0% | 10–11 | 9–11 | 9–11 | 9–12 |
Samfylkingin – Píratar – Viðreisn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 28 | 0% | 100% | Last Result |
| 29 | 0% | 100% | |
| 30 | 0.1% | 100% | |
| 31 | 2% | 99.9% | |
| 32 | 20% | 98% | Majority |
| 33 | 41% | 79% | Median |
| 34 | 26% | 38% | |
| 35 | 11% | 12% | |
| 36 | 0.7% | 0.8% | |
| 37 | 0.1% | 0.1% | |
| 38 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 27 | 2% | 100% | |
| 28 | 39% | 98% | |
| 29 | 35% | 60% | Median |
| 30 | 15% | 25% | |
| 31 | 10% | 11% | |
| 32 | 0.4% | 0.5% | Majority |
| 33 | 0.1% | 0.1% | Last Result |
| 34 | 0% | 0% |
Sjálfstæðisflokkurinn – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0% | 100% | Last Result |
| 24 | 0% | 100% | |
| 25 | 0% | 100% | |
| 26 | 0.1% | 100% | |
| 27 | 2% | 99.9% | |
| 28 | 16% | 98% | |
| 29 | 49% | 82% | |
| 30 | 27% | 33% | Median |
| 31 | 6% | 6% | |
| 32 | 0.4% | 0.4% | Majority |
| 33 | 0% | 0% |
Sjálfstæðisflokkurinn – Miðflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0.2% | 100% | |
| 24 | 1.2% | 99.8% | |
| 25 | 22% | 98.6% | |
| 26 | 29% | 76% | |
| 27 | 42% | 47% | Median |
| 28 | 5% | 6% | |
| 29 | 0.8% | 0.8% | |
| 30 | 0% | 0% | |
| 31 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 24 | 0.4% | 100% | |
| 25 | 16% | 99.6% | |
| 26 | 23% | 83% | |
| 27 | 45% | 60% | Median |
| 28 | 14% | 15% | |
| 29 | 1.2% | 1.3% | |
| 30 | 0% | 0% | |
| 31 | 0% | 0% | |
| 32 | 0% | 0% | Majority |
| 33 | 0% | 0% | |
| 34 | 0% | 0% | |
| 35 | 0% | 0% | Last Result |
Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 24 | 0.6% | 100% | Last Result |
| 25 | 8% | 99.4% | |
| 26 | 44% | 92% | Median |
| 27 | 35% | 48% | |
| 28 | 11% | 13% | |
| 29 | 2% | 2% | |
| 30 | 0.1% | 0.1% | |
| 31 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 1.1% | 100% | |
| 24 | 33% | 98.9% | |
| 25 | 34% | 66% | Last Result, Median |
| 26 | 20% | 32% | |
| 27 | 11% | 11% | |
| 28 | 0.6% | 0.7% | |
| 29 | 0.1% | 0.1% | |
| 30 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.1% | 100% | |
| 21 | 1.3% | 99.9% | |
| 22 | 37% | 98.6% | |
| 23 | 38% | 62% | Median |
| 24 | 14% | 24% | |
| 25 | 9% | 10% | |
| 26 | 0.4% | 0.4% | Last Result |
| 27 | 0% | 0% |
Sjálfstæðisflokkurinn – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.1% | 100% | Last Result |
| 21 | 2% | 99.9% | |
| 22 | 21% | 98% | |
| 23 | 37% | 77% | |
| 24 | 37% | 39% | Median |
| 25 | 2% | 2% | |
| 26 | 0.1% | 0.1% | |
| 27 | 0% | 0% |
Sjálfstæðisflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.9% | 100% | |
| 21 | 17% | 99.1% | |
| 22 | 27% | 82% | |
| 23 | 50% | 55% | Last Result, Median |
| 24 | 4% | 5% | |
| 25 | 0.9% | 0.9% | |
| 26 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.2% | 100% | |
| 21 | 13% | 99.8% | |
| 22 | 18% | 87% | |
| 23 | 51% | 68% | Median |
| 24 | 16% | 17% | |
| 25 | 1.2% | 1.2% | |
| 26 | 0% | 0% | |
| 27 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.9% | 100% | |
| 19 | 25% | 99.0% | |
| 20 | 23% | 74% | |
| 21 | 47% | 51% | Median |
| 22 | 4% | 5% | |
| 23 | 0.2% | 0.2% | |
| 24 | 0% | 0% | Last Result |
Samfylkingin – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 17 | 1.4% | 100% | |
| 18 | 28% | 98.6% | Last Result |
| 19 | 42% | 71% | Median |
| 20 | 19% | 29% | |
| 21 | 9% | 10% | |
| 22 | 0.7% | 0.7% | |
| 23 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Miðflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 0.5% | 100% | |
| 15 | 12% | 99.5% | |
| 16 | 62% | 87% | Median |
| 17 | 22% | 26% | |
| 18 | 4% | 4% | |
| 19 | 0.2% | 0.2% | |
| 20 | 0% | 0% | |
| 21 | 0% | 0% | |
| 22 | 0% | 0% | |
| 23 | 0% | 0% | |
| 24 | 0% | 0% | |
| 25 | 0% | 0% | |
| 26 | 0% | 0% | Last Result |
Píratar – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 12 | 2% | 100% | |
| 13 | 34% | 98% | Median |
| 14 | 48% | 63% | |
| 15 | 15% | 15% | |
| 16 | 0.5% | 0.5% | |
| 17 | 0% | 0% | Last Result |
Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 11 | 7% | 100% | |
| 12 | 59% | 93% | Median |
| 13 | 29% | 34% | |
| 14 | 4% | 4% | |
| 15 | 0.2% | 0.2% | |
| 16 | 0% | 0% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | Last Result |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 9 | 9% | 100% | |
| 10 | 66% | 91% | Median |
| 11 | 23% | 25% | |
| 12 | 1.2% | 1.2% | |
| 13 | 0% | 0% | |
| 14 | 0% | 0% | |
| 15 | 0% | 0% | |
| 16 | 0% | 0% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | |
| 19 | 0% | 0% | Last Result |
Technical Information
Opinion Poll
- Polling firm: Gallup
- Commissioner(s): —
- Fieldwork period: 3 September–1 October 2018
Calculations
- Sample size: 2910
- Simulations done: 1,048,576
- Error estimate: 1.10%