Opinion Poll by Gallup, 2–31 May 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% | 23.8% | 23.0–24.7% | 22.7–24.9% | 22.5–25.1% | 22.1–25.5% |
| Samfylkingin | 12.1% | 17.9% | 17.1–18.7% | 16.9–18.9% | 16.8–19.1% | 16.4–19.5% |
| Vinstrihreyfingin – grænt framboð | 16.9% | 13.3% | 12.6–14.0% | 12.4–14.2% | 12.3–14.4% | 12.0–14.7% |
| Píratar | 9.2% | 13.3% | 12.6–14.0% | 12.4–14.2% | 12.3–14.4% | 12.0–14.7% |
| Framsóknarflokkurinn | 10.7% | 8.9% | 8.3–9.5% | 8.2–9.7% | 8.0–9.8% | 7.8–10.1% |
| Miðflokkurinn | 10.9% | 8.5% | 8.0–9.1% | 7.8–9.3% | 7.7–9.4% | 7.4–9.7% |
| Viðreisn | 6.7% | 8.4% | 7.9–9.0% | 7.7–9.1% | 7.6–9.3% | 7.3–9.6% |
| Flokkur fólksins | 6.9% | 4.1% | 3.7–4.5% | 3.6–4.6% | 3.5–4.8% | 3.4–5.0% |
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 |
|---|---|---|---|---|---|---|
| Sjálfstæðisflokkurinn | 16 | 16 | 16–17 | 15–17 | 15–17 | 15–18 |
| Samfylkingin | 7 | 12 | 12–13 | 11–13 | 11–13 | 11–13 |
| Vinstrihreyfingin – grænt framboð | 11 | 9 | 8–9 | 8–10 | 8–10 | 8–10 |
| Píratar | 6 | 9 | 8–9 | 8–9 | 8–10 | 8–10 |
| Framsóknarflokkurinn | 8 | 6 | 5–6 | 5–6 | 5–6 | 5–7 |
| Miðflokkurinn | 7 | 5 | 5–6 | 5–6 | 5–6 | 5–6 |
| Viðreisn | 4 | 5 | 5–6 | 5–6 | 5–6 | 5–6 |
| Flokkur fólksins | 4 | 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 | 5% | 100% | |
| 16 | 52% | 95% | Last Result, Median |
| 17 | 42% | 43% | |
| 18 | 0.7% | 0.7% | |
| 19 | 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 | 9% | 100% | |
| 12 | 68% | 91% | Median |
| 13 | 23% | 23% | |
| 14 | 0.2% | 0.2% | |
| 15 | 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 |
|---|---|---|---|
| 8 | 16% | 100% | |
| 9 | 76% | 84% | Median |
| 10 | 8% | 8% | |
| 11 | 0% | 0% | Last Result |
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% | 100% | |
| 8 | 15% | 100% | |
| 9 | 81% | 85% | Median |
| 10 | 5% | 5% | |
| 11 | 0% | 0% |
Framsóknarflokkurinn
For a full overview of the results for this party, see the Framsóknarflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 5 | 18% | 100% | |
| 6 | 80% | 82% | Median |
| 7 | 1.4% | 1.4% | |
| 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 |
|---|---|---|---|
| 5 | 52% | 100% | Median |
| 6 | 48% | 48% | |
| 7 | 0.1% | 0.1% | Last Result |
| 8 | 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 | 0.1% | 100% | Last Result |
| 5 | 66% | 99.9% | Median |
| 6 | 34% | 34% | |
| 7 | 0% | 0% |
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 | 99.7% | 100% | Median |
| 1 | 0% | 0.3% | |
| 2 | 0% | 0.3% | |
| 3 | 0.3% | 0.3% | |
| 4 | 0% | 0% | Last Result |
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 | 35 | 100% | 34–36 | 34–36 | 34–37 | 34–37 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn | 33 | 32 | 89% | 31–33 | 31–33 | 31–34 | 31–34 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 35 | 31 | 30% | 30–32 | 30–32 | 30–32 | 29–33 |
| Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð | 24 | 30 | 0.8% | 29–31 | 29–31 | 29–31 | 28–32 |
| Sjálfstæðisflokkurinn – Samfylkingin | 23 | 29 | 0% | 28–29 | 27–30 | 27–30 | 27–30 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn | 31 | 28 | 0% | 27–29 | 27–29 | 26–29 | 26–29 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 26 | 27 | 0% | 26–28 | 26–28 | 25–28 | 25–29 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 25 | 27 | 0% | 26–27 | 25–28 | 25–28 | 25–28 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð | 27 | 25 | 0% | 25–26 | 24–26 | 24–26 | 24–27 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn | 24 | 22 | 0% | 21–23 | 21–23 | 21–23 | 21–24 |
| Sjálfstæðisflokkurinn – Miðflokkurinn | 23 | 22 | 0% | 21–23 | 21–23 | 21–23 | 20–23 |
| Sjálfstæðisflokkurinn – Viðreisn | 20 | 22 | 0% | 21–23 | 21–23 | 21–23 | 20–23 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð | 18 | 21 | 0% | 20–22 | 20–22 | 20–22 | 20–23 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn | 26 | 20 | 0% | 19–21 | 19–21 | 19–21 | 19–22 |
| Píratar – Vinstrihreyfingin – grænt framboð | 17 | 18 | 0% | 17–18 | 17–19 | 17–19 | 16–19 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 19 | 15 | 0% | 14–15 | 14–16 | 13–16 | 13–16 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 18 | 14 | 0% | 14–15 | 13–15 | 13–16 | 13–16 |
Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 28 | 0% | 100% | Last Result |
| 29 | 0% | 100% | |
| 30 | 0% | 100% | |
| 31 | 0% | 100% | |
| 32 | 0% | 100% | Majority |
| 33 | 0.2% | 100% | |
| 34 | 11% | 99.8% | |
| 35 | 53% | 89% | Median |
| 36 | 32% | 36% | |
| 37 | 4% | 4% | |
| 38 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 30 | 0.2% | 100% | |
| 31 | 11% | 99.8% | |
| 32 | 45% | 89% | Median, Majority |
| 33 | 40% | 44% | Last Result |
| 34 | 4% | 4% | |
| 35 | 0.1% | 0.1% | |
| 36 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 29 | 0.7% | 100% | |
| 30 | 16% | 99.3% | |
| 31 | 53% | 83% | Median |
| 32 | 29% | 30% | Majority |
| 33 | 0.6% | 0.6% | |
| 34 | 0% | 0% | |
| 35 | 0% | 0% | Last Result |
Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 24 | 0% | 100% | Last Result |
| 25 | 0% | 100% | |
| 26 | 0% | 100% | |
| 27 | 0% | 100% | |
| 28 | 1.2% | 100% | |
| 29 | 24% | 98.8% | |
| 30 | 53% | 75% | Median |
| 31 | 21% | 22% | |
| 32 | 0.8% | 0.8% | Majority |
| 33 | 0% | 0% |
Sjálfstæðisflokkurinn – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0% | 100% | Last Result |
| 24 | 0% | 100% | |
| 25 | 0% | 100% | |
| 26 | 0.2% | 100% | |
| 27 | 6% | 99.8% | |
| 28 | 42% | 94% | Median |
| 29 | 47% | 53% | |
| 30 | 5% | 5% | |
| 31 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 0.1% | 100% | |
| 26 | 5% | 99.9% | |
| 27 | 32% | 95% | Median |
| 28 | 53% | 64% | |
| 29 | 10% | 10% | |
| 30 | 0.1% | 0.1% | |
| 31 | 0% | 0% | Last Result |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 4% | 100% | |
| 26 | 22% | 96% | Last Result |
| 27 | 57% | 74% | Median |
| 28 | 17% | 17% | |
| 29 | 0.7% | 0.7% | |
| 30 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 24 | 0.1% | 100% | |
| 25 | 6% | 99.9% | Last Result |
| 26 | 41% | 94% | Median |
| 27 | 45% | 53% | |
| 28 | 8% | 8% | |
| 29 | 0.1% | 0.1% | |
| 30 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0.3% | 100% | |
| 24 | 7% | 99.7% | |
| 25 | 56% | 92% | Median |
| 26 | 35% | 37% | |
| 27 | 2% | 2% | Last Result |
| 28 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.4% | 100% | |
| 21 | 13% | 99.6% | |
| 22 | 53% | 87% | Median |
| 23 | 33% | 34% | |
| 24 | 0.7% | 0.7% | Last Result |
| 25 | 0% | 0% |
Sjálfstæðisflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 2% | 100% | |
| 21 | 25% | 98% | Median |
| 22 | 58% | 73% | |
| 23 | 15% | 15% | Last Result |
| 24 | 0.1% | 0.1% | |
| 25 | 0% | 0% |
Sjálfstæðisflokkurinn – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 2% | 100% | Last Result |
| 21 | 36% | 98% | Median |
| 22 | 49% | 62% | |
| 23 | 12% | 12% | |
| 24 | 0.1% | 0.1% | |
| 25 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0% | 100% | Last Result |
| 19 | 0.4% | 100% | |
| 20 | 19% | 99.6% | |
| 21 | 55% | 80% | Median |
| 22 | 24% | 25% | |
| 23 | 0.9% | 0.9% | |
| 24 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.5% | 100% | |
| 19 | 13% | 99.5% | |
| 20 | 52% | 87% | Median |
| 21 | 33% | 35% | |
| 22 | 2% | 2% | |
| 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 |
|---|---|---|---|
| 16 | 2% | 100% | |
| 17 | 24% | 98% | Last Result |
| 18 | 66% | 75% | Median |
| 19 | 9% | 9% | |
| 20 | 0.3% | 0.3% | |
| 21 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 13 | 4% | 100% | |
| 14 | 23% | 96% | |
| 15 | 67% | 73% | Median |
| 16 | 6% | 6% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | |
| 19 | 0% | 0% | Last Result |
Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 13 | 5% | 100% | |
| 14 | 52% | 95% | Median |
| 15 | 40% | 43% | |
| 16 | 3% | 3% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | Last Result |
Technical Information
Opinion Poll
- Polling firm: Gallup
- Commissioner(s): —
- Fieldwork period: 2–31 May 2018
Calculations
- Sample size: 4026
- Simulations done: 1,048,576
- Error estimate: 0.75%