Opinion Poll by Gallup, 2 August–2 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 |
|---|---|---|---|---|---|---|
| Sjálfstæðisflokkurinn | 25.2% | 22.7% | 21.8–23.6% | 21.6–23.9% | 21.4–24.1% | 21.0–24.5% |
| Samfylkingin | 12.1% | 19.3% | 18.5–20.1% | 18.3–20.4% | 18.1–20.6% | 17.7–21.0% |
| Píratar | 9.2% | 12.5% | 11.8–13.2% | 11.6–13.4% | 11.5–13.6% | 11.2–13.9% |
| Vinstrihreyfingin – grænt framboð | 16.9% | 11.7% | 11.1–12.4% | 10.9–12.6% | 10.7–12.8% | 10.4–13.1% |
| Viðreisn | 6.7% | 10.1% | 9.5–10.8% | 9.3–10.9% | 9.2–11.1% | 8.9–11.4% |
| Miðflokkurinn | 10.9% | 8.7% | 8.1–9.3% | 8.0–9.5% | 7.8–9.7% | 7.6–10.0% |
| Framsóknarflokkurinn | 10.7% | 8.2% | 7.7–8.8% | 7.5–9.0% | 7.4–9.1% | 7.1–9.4% |
| Flokkur fólksins | 6.9% | 5.7% | 5.2–6.2% | 5.1–6.4% | 5.0–6.5% | 4.8–6.8% |
| Sósíalistaflokkur Íslands | 0.0% | 0.7% | 0.5–0.9% | 0.5–1.0% | 0.5–1.0% | 0.4–1.1% |
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 | 15 | 14–16 | 14–16 | 14–17 | 14–17 |
| Samfylkingin | 7 | 13 | 12–15 | 12–15 | 12–15 | 11–15 |
| Píratar | 6 | 8 | 7–8 | 7–8 | 7–9 | 7–9 |
| Vinstrihreyfingin – grænt framboð | 11 | 7 | 7–8 | 7–8 | 6–8 | 6–9 |
| Viðreisn | 4 | 6 | 6–7 | 6–7 | 6–7 | 5–7 |
| Miðflokkurinn | 7 | 5 | 5–6 | 5–6 | 5–6 | 4–6 |
| Framsóknarflokkurinn | 8 | 5 | 5 | 5 | 4–6 | 4–6 |
| 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 |
|---|---|---|---|
| 13 | 0.4% | 100% | |
| 14 | 29% | 99.6% | |
| 15 | 35% | 70% | Median |
| 16 | 33% | 35% | Last Result |
| 17 | 3% | 3% | |
| 18 | 0.3% | 0.3% | |
| 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 | 1.5% | 100% | |
| 12 | 35% | 98.5% | |
| 13 | 25% | 63% | Median |
| 14 | 26% | 39% | |
| 15 | 13% | 13% | |
| 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 | 0% | 100% | Last Result |
| 7 | 26% | 100% | |
| 8 | 71% | 74% | Median |
| 9 | 3% | 3% | |
| 10 | 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 | 4% | 100% | |
| 7 | 67% | 96% | Median |
| 8 | 27% | 29% | |
| 9 | 2% | 2% | |
| 10 | 0% | 0% | |
| 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 | 0.8% | 100% | |
| 6 | 81% | 99.2% | Median |
| 7 | 18% | 18% | |
| 8 | 0.1% | 0.1% | |
| 9 | 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 | 0.5% | 100% | |
| 5 | 59% | 99.5% | Median |
| 6 | 40% | 40% | |
| 7 | 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 |
|---|---|---|---|
| 4 | 3% | 100% | |
| 5 | 93% | 97% | Median |
| 6 | 4% | 4% | |
| 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 | 1.3% | 100% | |
| 1 | 0% | 98.7% | |
| 2 | 0% | 98.7% | |
| 3 | 79% | 98.7% | Median |
| 4 | 19% | 19% | 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 | 34 | 100% | 33–36 | 33–36 | 33–36 | 32–37 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn – Framsóknarflokkurinn | 33 | 31 | 27% | 30–32 | 29–32 | 29–33 | 29–33 |
| Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð | 24 | 28 | 0% | 27–30 | 27–30 | 27–30 | 26–30 |
| Sjálfstæðisflokkurinn – Samfylkingin | 23 | 28 | 0.1% | 27–30 | 27–30 | 26–30 | 26–30 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 35 | 27 | 0% | 26–28 | 26–29 | 26–29 | 26–30 |
| Sjálfstæðisflokkurinn – Miðflokkurinn – Framsóknarflokkurinn | 31 | 25 | 0% | 24–27 | 24–27 | 24–27 | 24–27 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 26 | 25 | 0% | 24–27 | 24–27 | 24–27 | 23–27 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 25 | 26 | 0% | 25–27 | 24–27 | 24–27 | 24–28 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð | 27 | 22 | 0% | 21–23 | 21–24 | 21–24 | 21–24 |
| Sjálfstæðisflokkurinn – Viðreisn | 20 | 21 | 0% | 20–22 | 20–22 | 20–23 | 20–23 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn | 24 | 20 | 0% | 19–21 | 19–21 | 19–22 | 18–22 |
| Sjálfstæðisflokkurinn – Miðflokkurinn | 23 | 20 | 0% | 19–22 | 19–22 | 19–22 | 19–22 |
| Samfylkingin – Vinstrihreyfingin – grænt framboð | 18 | 20 | 0% | 19–22 | 19–22 | 19–22 | 18–22 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn – Framsóknarflokkurinn | 26 | 18 | 0% | 17–19 | 17–19 | 16–19 | 16–20 |
| Píratar – Vinstrihreyfingin – grænt framboð | 17 | 15 | 0% | 14–16 | 14–16 | 14–16 | 14–17 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 19 | 12 | 0% | 12–13 | 11–13 | 11–14 | 11–14 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 18 | 13 | 0% | 12–13 | 12–14 | 11–14 | 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% | 100% | |
| 31 | 0% | 100% | |
| 32 | 0.8% | 100% | Majority |
| 33 | 31% | 99.2% | |
| 34 | 20% | 68% | Median |
| 35 | 29% | 48% | |
| 36 | 18% | 19% | |
| 37 | 0.8% | 0.9% | |
| 38 | 0.1% | 0.1% | |
| 39 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 28 | 0.3% | 100% | |
| 29 | 8% | 99.7% | |
| 30 | 31% | 92% | Median |
| 31 | 34% | 61% | |
| 32 | 24% | 27% | Majority |
| 33 | 3% | 3% | Last Result |
| 34 | 0.1% | 0.1% | |
| 35 | 0% | 0% |
Samfylkingin – Píratar – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 24 | 0% | 100% | Last Result |
| 25 | 0% | 100% | |
| 26 | 0.8% | 100% | |
| 27 | 36% | 99.2% | |
| 28 | 20% | 63% | Median |
| 29 | 32% | 44% | |
| 30 | 12% | 12% | |
| 31 | 0.1% | 0.1% | |
| 32 | 0% | 0% | Majority |
Sjálfstæðisflokkurinn – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0% | 100% | Last Result |
| 24 | 0% | 100% | |
| 25 | 0% | 100% | |
| 26 | 4% | 100% | |
| 27 | 18% | 96% | |
| 28 | 41% | 77% | Median |
| 29 | 24% | 36% | |
| 30 | 12% | 12% | |
| 31 | 0.4% | 0.4% | |
| 32 | 0.1% | 0.1% | Majority |
| 33 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 0.3% | 100% | |
| 26 | 17% | 99.7% | |
| 27 | 34% | 83% | Median |
| 28 | 43% | 48% | |
| 29 | 5% | 6% | |
| 30 | 0.6% | 0.6% | |
| 31 | 0% | 0% | |
| 32 | 0% | 0% | Majority |
| 33 | 0% | 0% | |
| 34 | 0% | 0% | |
| 35 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Miðflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0.4% | 100% | |
| 24 | 21% | 99.6% | |
| 25 | 36% | 79% | Median |
| 26 | 15% | 43% | |
| 27 | 27% | 28% | |
| 28 | 0.4% | 0.4% | |
| 29 | 0% | 0% | |
| 30 | 0% | 0% | |
| 31 | 0% | 0% | Last Result |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0.8% | 100% | |
| 24 | 27% | 99.2% | |
| 25 | 26% | 72% | Median |
| 26 | 22% | 46% | Last Result |
| 27 | 24% | 24% | |
| 28 | 0.4% | 0.4% | |
| 29 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0.2% | 100% | |
| 24 | 8% | 99.8% | |
| 25 | 32% | 92% | Last Result, Median |
| 26 | 33% | 60% | |
| 27 | 25% | 27% | |
| 28 | 2% | 2% | |
| 29 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.2% | 100% | |
| 21 | 17% | 99.8% | |
| 22 | 36% | 83% | Median |
| 23 | 41% | 47% | |
| 24 | 6% | 6% | |
| 25 | 0.4% | 0.4% | |
| 26 | 0% | 0% | |
| 27 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 19 | 0.1% | 100% | |
| 20 | 21% | 99.9% | Last Result |
| 21 | 36% | 79% | Median |
| 22 | 40% | 43% | |
| 23 | 3% | 3% | |
| 24 | 0.3% | 0.3% | |
| 25 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.6% | 100% | |
| 19 | 30% | 99.4% | |
| 20 | 31% | 69% | Median |
| 21 | 35% | 38% | |
| 22 | 3% | 3% | |
| 23 | 0.2% | 0.2% | |
| 24 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.4% | 100% | |
| 19 | 20% | 99.6% | |
| 20 | 37% | 79% | Median |
| 21 | 16% | 42% | |
| 22 | 26% | 27% | |
| 23 | 0.4% | 0.4% | Last Result |
| 24 | 0% | 0% |
Samfylkingin – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.7% | 100% | Last Result |
| 19 | 28% | 99.3% | |
| 20 | 25% | 71% | Median |
| 21 | 22% | 46% | |
| 22 | 24% | 24% | |
| 23 | 0.1% | 0.1% | |
| 24 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Miðflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 15 | 0.2% | 100% | |
| 16 | 4% | 99.8% | |
| 17 | 35% | 96% | Median |
| 18 | 50% | 61% | |
| 19 | 11% | 11% | |
| 20 | 0.6% | 0.6% | |
| 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 |
|---|---|---|---|
| 13 | 0.4% | 100% | |
| 14 | 21% | 99.6% | |
| 15 | 54% | 79% | Median |
| 16 | 23% | 25% | |
| 17 | 2% | 2% | Last Result |
| 18 | 0.1% | 0.1% | |
| 19 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 10 | 0.2% | 100% | |
| 11 | 5% | 99.8% | |
| 12 | 63% | 95% | Median |
| 13 | 29% | 31% | |
| 14 | 3% | 3% | |
| 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 |
|---|---|---|---|
| 11 | 3% | 100% | |
| 12 | 36% | 97% | Median |
| 13 | 52% | 61% | |
| 14 | 10% | 10% | |
| 15 | 0.2% | 0.2% | |
| 16 | 0% | 0% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | Last Result |
Technical Information
Opinion Poll
- Polling firm: Gallup
- Commissioner(s): —
- Fieldwork period: 2 August–2 September 2018
Calculations
- Sample size: 3731
- Simulations done: 1,048,576
- Error estimate: 1.34%