Opinion Poll by Gallup, 31 May–1 July 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% | 24.5% | 23.6–25.5% | 23.3–25.8% | 23.1–26.0% | 22.6–26.5% |
| Samfylkingin | 12.1% | 15.2% | 14.4–16.0% | 14.2–16.3% | 14.0–16.5% | 13.6–16.9% |
| Píratar | 9.2% | 13.1% | 12.4–13.9% | 12.2–14.1% | 12.0–14.3% | 11.6–14.7% |
| Vinstrihreyfingin – grænt framboð | 16.9% | 11.5% | 10.8–12.3% | 10.6–12.5% | 10.5–12.7% | 10.1–13.0% |
| Viðreisn | 6.7% | 10.4% | 9.7–11.1% | 9.5–11.3% | 9.4–11.5% | 9.1–11.8% |
| Framsóknarflokkurinn | 10.7% | 8.5% | 7.9–9.2% | 7.7–9.4% | 7.6–9.5% | 7.3–9.8% |
| Miðflokkurinn | 10.9% | 8.0% | 7.4–8.6% | 7.2–8.8% | 7.1–9.0% | 6.8–9.3% |
| Flokkur fólksins | 6.9% | 5.1% | 4.6–5.6% | 4.5–5.8% | 4.4–5.9% | 4.2–6.2% |
| Sósíalistaflokkur Íslands | 0.0% | 1.0% | 0.8–1.2% | 0.7–1.3% | 0.7–1.4% | 0.6–1.5% |
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 | 18 | 16–18 | 16–19 | 16–19 | 15–19 |
| Samfylkingin | 7 | 10 | 10–11 | 9–11 | 9–11 | 9–12 |
| Píratar | 6 | 8 | 8–9 | 8–9 | 8–10 | 8–10 |
| Vinstrihreyfingin – grænt framboð | 11 | 7 | 7–8 | 7–8 | 7–9 | 6–9 |
| Viðreisn | 4 | 7 | 6–7 | 6–8 | 6–8 | 6–8 |
| Framsóknarflokkurinn | 8 | 5 | 5–6 | 5–6 | 5–6 | 5–7 |
| Miðflokkurinn | 7 | 5 | 5 | 5–6 | 4–6 | 4–6 |
| Flokkur fólksins | 4 | 3 | 0–3 | 0–3 | 0–4 | 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 |
|---|---|---|---|
| 15 | 1.3% | 100% | |
| 16 | 16% | 98.7% | Last Result |
| 17 | 27% | 83% | |
| 18 | 50% | 56% | Median |
| 19 | 5% | 5% | |
| 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 | 0.1% | 100% | |
| 9 | 8% | 99.9% | |
| 10 | 67% | 92% | Median |
| 11 | 24% | 25% | |
| 12 | 1.4% | 1.4% | |
| 13 | 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 | 0% | 100% | Last Result |
| 7 | 0.1% | 100% | |
| 8 | 52% | 99.9% | Median |
| 9 | 43% | 47% | |
| 10 | 4% | 4% | |
| 11 | 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 |
|---|---|---|---|
| 6 | 0.6% | 100% | |
| 7 | 51% | 99.4% | Median |
| 8 | 44% | 48% | |
| 9 | 3% | 3% | |
| 10 | 0.1% | 0.1% | |
| 11 | 0% | 0% | Last Result |
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 | 35% | 99.9% | |
| 7 | 59% | 65% | Median |
| 8 | 6% | 6% | |
| 9 | 0% | 0% |
Framsóknarflokkurinn
For a full overview of the results for this party, see the Framsóknarflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 4 | 0.4% | 100% | |
| 5 | 55% | 99.6% | Median |
| 6 | 44% | 45% | |
| 7 | 0.6% | 0.6% | |
| 8 | 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 |
|---|---|---|---|
| 4 | 3% | 100% | |
| 5 | 89% | 97% | Median |
| 6 | 9% | 9% | |
| 7 | 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 | 30% | 100% | |
| 1 | 0% | 70% | |
| 2 | 0% | 70% | |
| 3 | 67% | 70% | Median |
| 4 | 4% | 4% | Last Result |
| 5 | 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 – Vinstrihreyfingin – grænt framboð – Viðreisn | 28 | 33 | 84% | 31–35 | 31–35 | 31–36 | 31–36 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 35 | 30 | 12% | 29–32 | 29–32 | 29–32 | 28–32 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn | 33 | 28 | 0% | 27–30 | 27–30 | 26–30 | 26–31 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn | 31 | 28 | 0% | 27–29 | 26–29 | 26–29 | 26–30 |
| Sjálfstæðisflokkurinn – Samfylkingin | 23 | 28 | 0% | 26–29 | 26–29 | 26–29 | 25–30 |
| Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð | 24 | 26 | 0% | 25–28 | 25–28 | 24–28 | 24–29 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð | 27 | 25 | 0% | 24–26 | 24–26 | 23–26 | 23–27 |
| Sjálfstæðisflokkurinn – Viðreisn | 20 | 24 | 0% | 23–25 | 23–25 | 22–26 | 22–26 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 26 | 23 | 0% | 22–25 | 22–25 | 21–25 | 21–26 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 25 | 23 | 0% | 22–24 | 21–24 | 21–25 | 21–25 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn | 24 | 23 | 0% | 22–24 | 21–24 | 21–24 | 21–25 |
| Sjálfstæðisflokkurinn – Miðflokkurinn | 23 | 23 | 0% | 21–23 | 21–24 | 21–24 | 20–24 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn | 26 | 18 | 0% | 17–19 | 17–20 | 17–20 | 16–20 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð | 18 | 18 | 0% | 17–19 | 17–19 | 16–19 | 16–20 |
| Píratar – Vinstrihreyfingin – grænt framboð | 17 | 16 | 0% | 15–17 | 15–18 | 15–18 | 15–18 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 19 | 13 | 0% | 12–14 | 12–14 | 12–15 | 12–15 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 18 | 12 | 0% | 12–13 | 12–14 | 12–14 | 11–14 |
Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 28 | 0% | 100% | Last Result |
| 29 | 0% | 100% | |
| 30 | 0.3% | 100% | |
| 31 | 16% | 99.7% | |
| 32 | 29% | 84% | Median, Majority |
| 33 | 18% | 55% | |
| 34 | 21% | 36% | |
| 35 | 12% | 15% | |
| 36 | 3% | 3% | |
| 37 | 0.1% | 0.1% | |
| 38 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 28 | 2% | 100% | |
| 29 | 14% | 98% | |
| 30 | 41% | 85% | Median |
| 31 | 31% | 43% | |
| 32 | 12% | 12% | Majority |
| 33 | 0.4% | 0.4% | |
| 34 | 0% | 0% | |
| 35 | 0% | 0% | Last Result |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 0.2% | 100% | |
| 26 | 3% | 99.8% | |
| 27 | 28% | 97% | Median |
| 28 | 30% | 69% | |
| 29 | 24% | 39% | |
| 30 | 12% | 14% | |
| 31 | 2% | 2% | |
| 32 | 0% | 0% | Majority |
| 33 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 0.4% | 100% | |
| 26 | 9% | 99.6% | |
| 27 | 19% | 90% | |
| 28 | 40% | 71% | Median |
| 29 | 29% | 31% | |
| 30 | 2% | 2% | |
| 31 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0% | 100% | Last Result |
| 24 | 0% | 100% | |
| 25 | 1.3% | 100% | |
| 26 | 12% | 98.7% | |
| 27 | 25% | 87% | |
| 28 | 49% | 62% | Median |
| 29 | 12% | 13% | |
| 30 | 0.9% | 1.1% | |
| 31 | 0.1% | 0.1% | |
| 32 | 0% | 0% | Majority |
Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0.1% | 100% | |
| 24 | 3% | 99.9% | Last Result |
| 25 | 32% | 97% | Median |
| 26 | 22% | 65% | |
| 27 | 27% | 42% | |
| 28 | 14% | 15% | |
| 29 | 2% | 2% | |
| 30 | 0.1% | 0.1% | |
| 31 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 22 | 0.2% | 100% | |
| 23 | 4% | 99.8% | |
| 24 | 18% | 96% | |
| 25 | 58% | 77% | Median |
| 26 | 17% | 19% | |
| 27 | 2% | 2% | Last Result |
| 28 | 0% | 0% |
Sjálfstæðisflokkurinn – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0% | 100% | Last Result |
| 21 | 0.1% | 100% | |
| 22 | 4% | 99.9% | |
| 23 | 17% | 95% | |
| 24 | 44% | 79% | |
| 25 | 31% | 35% | Median |
| 26 | 4% | 4% | |
| 27 | 0.1% | 0.1% | |
| 28 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.1% | 100% | |
| 21 | 3% | 99.9% | |
| 22 | 29% | 97% | Median |
| 23 | 32% | 69% | |
| 24 | 26% | 37% | |
| 25 | 9% | 11% | |
| 26 | 2% | 2% | Last Result |
| 27 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.3% | 100% | |
| 21 | 5% | 99.7% | |
| 22 | 42% | 95% | Median |
| 23 | 28% | 53% | |
| 24 | 22% | 25% | |
| 25 | 3% | 3% | Last Result |
| 26 | 0.1% | 0.2% | |
| 27 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.4% | 100% | |
| 21 | 9% | 99.6% | |
| 22 | 22% | 90% | |
| 23 | 40% | 68% | Median |
| 24 | 27% | 29% | Last Result |
| 25 | 1.2% | 1.2% | |
| 26 | 0% | 0% |
Sjálfstæðisflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 2% | 100% | |
| 21 | 15% | 98% | |
| 22 | 24% | 84% | |
| 23 | 54% | 60% | Last Result, Median |
| 24 | 6% | 6% | |
| 25 | 0.1% | 0.1% | |
| 26 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 15 | 0.1% | 100% | |
| 16 | 1.1% | 99.9% | |
| 17 | 30% | 98.8% | Median |
| 18 | 41% | 69% | |
| 19 | 22% | 28% | |
| 20 | 6% | 6% | |
| 21 | 0.3% | 0.3% | |
| 22 | 0% | 0% | |
| 23 | 0% | 0% | |
| 24 | 0% | 0% | |
| 25 | 0% | 0% | |
| 26 | 0% | 0% | Last Result |
Samfylkingin – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 15 | 0.2% | 100% | |
| 16 | 5% | 99.8% | |
| 17 | 43% | 95% | Median |
| 18 | 32% | 52% | Last Result |
| 19 | 18% | 20% | |
| 20 | 2% | 2% | |
| 21 | 0% | 0% |
Píratar – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 0.3% | 100% | |
| 15 | 36% | 99.7% | Median |
| 16 | 30% | 63% | |
| 17 | 28% | 34% | Last Result |
| 18 | 5% | 6% | |
| 19 | 0.2% | 0.2% | |
| 20 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 11 | 0.5% | 100% | |
| 12 | 31% | 99.5% | Median |
| 13 | 43% | 68% | |
| 14 | 23% | 26% | |
| 15 | 3% | 3% | |
| 16 | 0% | 0% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | |
| 19 | 0% | 0% | Last Result |
Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 10 | 0.1% | 100% | |
| 11 | 2% | 99.9% | |
| 12 | 49% | 98% | Median |
| 13 | 41% | 50% | |
| 14 | 8% | 9% | |
| 15 | 0.4% | 0.4% | |
| 16 | 0% | 0% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | Last Result |
Technical Information
Opinion Poll
- Polling firm: Gallup
- Commissioner(s): —
- Fieldwork period: 31 May–1 July 2018
Calculations
- Sample size: 3243
- Simulations done: 1,048,576
- Error estimate: 0.50%