Opinion Poll by Gallup, 29 June–30 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% | 24.6% | 23.7–25.5% | 23.4–25.8% | 23.2–26.0% | 22.8–26.5% |
| Samfylkingin | 12.1% | 16.7% | 15.9–17.5% | 15.7–17.8% | 15.5–18.0% | 15.2–18.4% |
| Píratar | 9.2% | 13.9% | 13.2–14.7% | 13.0–14.9% | 12.8–15.1% | 12.5–15.5% |
| Vinstrihreyfingin – grænt framboð | 16.9% | 10.7% | 10.1–11.4% | 9.9–11.6% | 9.7–11.8% | 9.4–12.1% |
| Framsóknarflokkurinn | 10.7% | 9.2% | 8.6–9.8% | 8.4–10.0% | 8.3–10.2% | 8.0–10.5% |
| Viðreisn | 6.7% | 8.7% | 8.1–9.3% | 8.0–9.5% | 7.8–9.7% | 7.6–10.0% |
| Miðflokkurinn | 10.9% | 8.6% | 8.0–9.2% | 7.9–9.4% | 7.7–9.6% | 7.5–9.9% |
| Flokkur fólksins | 6.9% | 6.0% | 5.5–6.5% | 5.4–6.7% | 5.3–6.8% | 5.0–7.1% |
| Sósíalistaflokkur Íslands | 0.0% | 0.9% | 0.7–1.1% | 0.7–1.2% | 0.6–1.3% | 0.6–1.4% |
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 | 16–18 | 16–18 | 15–18 | 15–19 |
| Samfylkingin | 7 | 11 | 10–11 | 10–11 | 10–12 | 10–12 |
| Píratar | 6 | 9 | 8–9 | 8–9 | 8–10 | 8–10 |
| Vinstrihreyfingin – grænt framboð | 11 | 7 | 6–7 | 6–7 | 6–8 | 6–8 |
| Framsóknarflokkurinn | 8 | 5 | 5–6 | 5–6 | 5–7 | 5–8 |
| Viðreisn | 4 | 5 | 5–6 | 5–6 | 5–6 | 5–6 |
| Miðflokkurinn | 7 | 5 | 5–6 | 5–6 | 5–6 | 4–6 |
| Flokkur fólksins | 4 | 4 | 3–4 | 3–4 | 3–4 | 3–4 |
| 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 | 3% | 100% | |
| 16 | 27% | 97% | Last Result |
| 17 | 53% | 70% | Median |
| 18 | 16% | 18% | |
| 19 | 2% | 2% | |
| 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 | 0.1% | 100% | |
| 10 | 14% | 99.9% | |
| 11 | 83% | 86% | Median |
| 12 | 3% | 3% | |
| 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% | 100% | |
| 8 | 23% | 100% | |
| 9 | 73% | 77% | Median |
| 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 | 22% | 100% | |
| 7 | 75% | 78% | Median |
| 8 | 4% | 4% | |
| 9 | 0% | 0% | |
| 10 | 0% | 0% | |
| 11 | 0% | 0% | Last Result |
Framsóknarflokkurinn
For a full overview of the results for this party, see the Framsóknarflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 5 | 53% | 100% | Median |
| 6 | 44% | 47% | |
| 7 | 2% | 3% | |
| 8 | 0.5% | 0.5% | Last Result |
| 9 | 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 | 0.3% | 100% | Last Result |
| 5 | 60% | 99.7% | Median |
| 6 | 40% | 40% | |
| 7 | 0.1% | 0.1% | |
| 8 | 0% | 0% |
Miðflokkurinn
For a full overview of the results for this party, see the Miðflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 4 | 1.0% | 100% | |
| 5 | 78% | 99.0% | Median |
| 6 | 21% | 21% | |
| 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 | 0.2% | 100% | |
| 1 | 0% | 99.8% | |
| 2 | 0% | 99.8% | |
| 3 | 48% | 99.8% | |
| 4 | 52% | 52% | Last Result, Median |
| 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 – Vinstrihreyfingin – grænt framboð – Viðreisn | 28 | 32 | 75% | 31–33 | 31–33 | 30–33 | 30–34 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 35 | 29 | 0.6% | 28–30 | 28–31 | 27–31 | 27–32 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn | 33 | 28 | 0% | 28–29 | 27–30 | 27–30 | 27–30 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn | 31 | 27 | 0% | 27–29 | 27–29 | 26–29 | 26–30 |
| Sjálfstæðisflokkurinn – Samfylkingin | 23 | 28 | 0% | 27–29 | 26–29 | 26–29 | 26–30 |
| Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð | 24 | 27 | 0% | 26–27 | 25–27 | 25–28 | 25–28 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 26 | 23 | 0% | 22–24 | 22–24 | 22–25 | 21–25 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð | 27 | 24 | 0% | 23–25 | 22–25 | 22–25 | 22–26 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn | 24 | 22 | 0% | 22–23 | 21–24 | 21–24 | 20–25 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 25 | 23 | 0% | 22–24 | 22–24 | 21–24 | 21–24 |
| Sjálfstæðisflokkurinn – Viðreisn | 20 | 22 | 0% | 21–23 | 21–24 | 21–24 | 20–24 |
| Sjálfstæðisflokkurinn – Miðflokkurinn | 23 | 22 | 0% | 21–23 | 21–23 | 21–23 | 20–24 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn | 26 | 17 | 0% | 17–19 | 16–19 | 16–19 | 16–20 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð | 18 | 18 | 0% | 17–18 | 17–18 | 16–19 | 16–19 |
| Píratar – Vinstrihreyfingin – grænt framboð | 17 | 16 | 0% | 15–16 | 15–16 | 14–17 | 14–17 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 19 | 12 | 0% | 12–13 | 11–13 | 11–14 | 11–14 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 18 | 12 | 0% | 11–13 | 11–13 | 11–13 | 11–13 |
Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 28 | 0% | 100% | Last Result |
| 29 | 0% | 100% | |
| 30 | 3% | 100% | |
| 31 | 21% | 97% | |
| 32 | 57% | 75% | Median, Majority |
| 33 | 18% | 18% | |
| 34 | 0.5% | 0.5% | |
| 35 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 27 | 3% | 100% | |
| 28 | 10% | 97% | |
| 29 | 59% | 87% | Median |
| 30 | 22% | 28% | |
| 31 | 5% | 6% | |
| 32 | 0.6% | 0.6% | Majority |
| 33 | 0% | 0% | |
| 34 | 0% | 0% | |
| 35 | 0% | 0% | Last Result |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 26 | 0.4% | 100% | |
| 27 | 9% | 99.6% | |
| 28 | 49% | 91% | Median |
| 29 | 33% | 42% | |
| 30 | 8% | 9% | |
| 31 | 0.4% | 0.4% | |
| 32 | 0% | 0% | Majority |
| 33 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 0.3% | 100% | |
| 26 | 3% | 99.7% | |
| 27 | 48% | 97% | Median |
| 28 | 39% | 49% | |
| 29 | 10% | 10% | |
| 30 | 0.5% | 0.5% | |
| 31 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0% | 100% | Last Result |
| 24 | 0% | 100% | |
| 25 | 0.4% | 100% | |
| 26 | 8% | 99.6% | |
| 27 | 24% | 92% | |
| 28 | 53% | 68% | Median |
| 29 | 14% | 15% | |
| 30 | 0.9% | 0.9% | |
| 31 | 0% | 0% |
Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 24 | 0.4% | 100% | Last Result |
| 25 | 8% | 99.6% | |
| 26 | 35% | 92% | |
| 27 | 54% | 57% | Median |
| 28 | 3% | 3% | |
| 29 | 0% | 0.1% | |
| 30 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 21 | 0.5% | 100% | |
| 22 | 14% | 99.5% | |
| 23 | 54% | 85% | Median |
| 24 | 27% | 31% | |
| 25 | 4% | 5% | |
| 26 | 0.3% | 0.3% | Last Result |
| 27 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 21 | 0.3% | 100% | |
| 22 | 8% | 99.7% | |
| 23 | 29% | 92% | |
| 24 | 49% | 62% | Median |
| 25 | 12% | 14% | |
| 26 | 1.1% | 1.1% | |
| 27 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.9% | 100% | |
| 21 | 7% | 99.1% | |
| 22 | 53% | 92% | Median |
| 23 | 34% | 39% | |
| 24 | 4% | 6% | Last Result |
| 25 | 1.0% | 1.0% | |
| 26 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.2% | 100% | |
| 21 | 2% | 99.8% | |
| 22 | 17% | 97% | |
| 23 | 67% | 80% | Median |
| 24 | 13% | 13% | |
| 25 | 0.3% | 0.3% | Last Result |
| 26 | 0% | 0% |
Sjálfstæðisflokkurinn – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 2% | 100% | Last Result |
| 21 | 13% | 98% | |
| 22 | 53% | 86% | Median |
| 23 | 25% | 33% | |
| 24 | 8% | 8% | |
| 25 | 0.3% | 0.3% | |
| 26 | 0% | 0% |
Sjálfstæðisflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 2% | 100% | |
| 21 | 19% | 98% | |
| 22 | 53% | 80% | Median |
| 23 | 26% | 27% | Last Result |
| 24 | 1.5% | 1.5% | |
| 25 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 15 | 0.1% | 100% | |
| 16 | 5% | 99.9% | |
| 17 | 47% | 95% | Median |
| 18 | 36% | 47% | |
| 19 | 10% | 11% | |
| 20 | 0.5% | 0.5% | |
| 21 | 0% | 0% | |
| 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 |
|---|---|---|---|
| 16 | 3% | 100% | |
| 17 | 28% | 97% | |
| 18 | 64% | 69% | Last Result, Median |
| 19 | 5% | 5% | |
| 20 | 0% | 0% |
Píratar – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 3% | 100% | |
| 15 | 34% | 97% | |
| 16 | 60% | 63% | Median |
| 17 | 3% | 3% | Last Result |
| 18 | 0.1% | 0.1% | |
| 19 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 11 | 9% | 100% | |
| 12 | 54% | 91% | Median |
| 13 | 32% | 37% | |
| 14 | 5% | 5% | |
| 15 | 0.3% | 0.3% | |
| 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 | 0.2% | 100% | |
| 11 | 13% | 99.8% | |
| 12 | 71% | 87% | Median |
| 13 | 15% | 16% | |
| 14 | 0.3% | 0.3% | |
| 15 | 0% | 0% | |
| 16 | 0% | 0% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | Last Result |
Technical Information
Opinion Poll
- Polling firm: Gallup
- Commissioner(s): —
- Fieldwork period: 29 June–30 July 2018
Calculations
- Sample size: 3558
- Simulations done: 1,048,576
- Error estimate: 0.73%