Opinion Poll by Gallup, 29 August 2021
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% | 24.2% | 23.1–25.4% | 22.8–25.7% | 22.5–26.0% | 22.0–26.5% |
| Vinstrihreyfingin – grænt framboð | 16.9% | 12.3% | 11.5–13.2% | 11.2–13.5% | 11.0–13.7% | 10.6–14.2% |
| Samfylkingin | 12.1% | 11.5% | 10.7–12.4% | 10.4–12.6% | 10.2–12.8% | 9.9–13.3% |
| Píratar | 9.2% | 10.9% | 10.1–11.8% | 9.9–12.0% | 9.7–12.2% | 9.3–12.7% |
| Viðreisn | 6.7% | 10.6% | 9.8–11.5% | 9.6–11.7% | 9.4–11.9% | 9.1–12.4% |
| Framsóknarflokkurinn | 10.7% | 9.7% | 9.0–10.5% | 8.7–10.8% | 8.6–11.0% | 8.2–11.4% |
| Sósíalistaflokkur Íslands | 0.0% | 8.2% | 7.5–9.0% | 7.3–9.2% | 7.1–9.4% | 6.8–9.8% |
| Miðflokkurinn | 10.9% | 7.0% | 6.3–7.7% | 6.2–7.9% | 6.0–8.1% | 5.7–8.5% |
| Flokkur fólksins | 6.9% | 4.9% | 4.4–5.5% | 4.2–5.7% | 4.1–5.9% | 3.8–6.2% |
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 | 15–19 | 15–19 | 14–19 | 14–19 |
| Vinstrihreyfingin – grænt framboð | 11 | 8 | 7–9 | 7–9 | 7–9 | 6–10 |
| Samfylkingin | 7 | 7 | 6–8 | 6–8 | 6–8 | 6–9 |
| Píratar | 6 | 7 | 6–8 | 6–8 | 6–8 | 5–8 |
| Viðreisn | 4 | 7 | 6–8 | 6–8 | 6–8 | 5–8 |
| Framsóknarflokkurinn | 8 | 7 | 6–8 | 5–8 | 5–8 | 5–8 |
| Sósíalistaflokkur Íslands | 0 | 5 | 4–6 | 4–6 | 4–6 | 4–6 |
| Miðflokkurinn | 7 | 4 | 4–5 | 4–5 | 4–5 | 3–5 |
| Flokkur fólksins | 4 | 3 | 0–3 | 0–3 | 0–3 | 0–4 |
Sjálfstæðisflokkurinn
For a full overview of the results for this party, see the Sjálfstæðisflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 4% | 100% | |
| 15 | 20% | 96% | |
| 16 | 32% | 76% | Last Result, Median |
| 17 | 15% | 44% | |
| 18 | 16% | 29% | |
| 19 | 13% | 13% | |
| 20 | 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 | 1.3% | 100% | |
| 7 | 17% | 98.7% | |
| 8 | 53% | 81% | Median |
| 9 | 27% | 29% | |
| 10 | 2% | 2% | |
| 11 | 0% | 0% | Last Result |
Samfylkingin
For a full overview of the results for this party, see the Samfylkingin page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 5 | 0.1% | 100% | |
| 6 | 13% | 99.9% | |
| 7 | 55% | 87% | Last Result, Median |
| 8 | 31% | 32% | |
| 9 | 1.2% | 1.2% | |
| 10 | 0% | 0% |
Píratar
For a full overview of the results for this party, see the Píratar page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 5 | 0.7% | 100% | |
| 6 | 25% | 99.3% | Last Result |
| 7 | 57% | 74% | Median |
| 8 | 17% | 18% | |
| 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 | 0.5% | 100% | |
| 6 | 44% | 99.5% | |
| 7 | 41% | 55% | Median |
| 8 | 14% | 14% | |
| 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 |
|---|---|---|---|
| 5 | 9% | 100% | |
| 6 | 32% | 91% | |
| 7 | 32% | 58% | Median |
| 8 | 26% | 26% | Last Result |
| 9 | 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 | 0% | 100% | Last Result |
| 1 | 0% | 100% | |
| 2 | 0% | 100% | |
| 3 | 0% | 100% | |
| 4 | 14% | 100% | |
| 5 | 72% | 86% | Median |
| 6 | 14% | 14% | |
| 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 |
|---|---|---|---|
| 3 | 2% | 100% | |
| 4 | 75% | 98% | Median |
| 5 | 23% | 23% | |
| 6 | 0.2% | 0.2% | |
| 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 | 49% | 100% | |
| 1 | 0% | 51% | |
| 2 | 0% | 51% | |
| 3 | 51% | 51% | Median |
| 4 | 0.7% | 0.7% | Last Result |
| 5 | 0% | 0% |
Coalitions

Confidence Intervals
| Coalition | Last Result | Median | Majority? | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|---|
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 35 | 32 | 52% | 30–33 | 29–33 | 29–34 | 28–35 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin – Píratar – Viðreisn | 28 | 29 | 2% | 26–31 | 25–31 | 25–31 | 25–32 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn | 31 | 27 | 0% | 26–30 | 25–30 | 25–30 | 24–31 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin – Framsóknarflokkurinn – Miðflokkurinn | 33 | 26 | 0% | 24–28 | 24–28 | 24–29 | 23–30 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð | 27 | 25 | 0% | 23–26 | 23–27 | 23–27 | 22–28 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn | 24 | 23 | 0% | 22–25 | 21–26 | 21–26 | 20–27 |
| Sjálfstæðisflokkurinn – Samfylkingin | 23 | 24 | 0% | 22–26 | 22–26 | 21–26 | 21–27 |
| Sjálfstæðisflokkurinn – Viðreisn | 20 | 23 | 0% | 21–25 | 21–25 | 21–26 | 20–26 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin – Framsóknarflokkurinn | 26 | 22 | 0% | 20–24 | 20–24 | 20–24 | 19–25 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin – Píratar | 24 | 22 | 0% | 20–24 | 19–24 | 19–24 | 19–25 |
| Sjálfstæðisflokkurinn – Miðflokkurinn | 23 | 21 | 0% | 19–23 | 19–23 | 18–23 | 18–24 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin – Miðflokkurinn | 25 | 19 | 0% | 18–21 | 17–21 | 17–22 | 17–23 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn | 26 | 19 | 0% | 18–20 | 17–21 | 17–21 | 16–22 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 19 | 15 | 0% | 13–16 | 13–17 | 13–17 | 12–17 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin | 18 | 15 | 0% | 14–17 | 13–17 | 13–17 | 13–18 |
| Vinstrihreyfingin – grænt framboð – Píratar | 17 | 15 | 0% | 13–16 | 13–16 | 13–16 | 13–17 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 18 | 12 | 0% | 11–13 | 11–14 | 11–14 | 10–15 |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 27 | 0.1% | 100% | |
| 28 | 2% | 99.9% | |
| 29 | 4% | 98% | |
| 30 | 14% | 94% | |
| 31 | 28% | 80% | Median |
| 32 | 36% | 52% | Majority |
| 33 | 12% | 15% | |
| 34 | 2% | 3% | |
| 35 | 0.6% | 0.6% | Last Result |
| 36 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin – Píratar – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 5% | 100% | |
| 26 | 5% | 95% | |
| 27 | 9% | 90% | |
| 28 | 21% | 81% | Last Result |
| 29 | 19% | 60% | Median |
| 30 | 16% | 40% | |
| 31 | 22% | 24% | |
| 32 | 2% | 2% | Majority |
| 33 | 0.1% | 0.1% | |
| 34 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0.1% | 100% | |
| 24 | 0.9% | 99.9% | |
| 25 | 6% | 99.0% | |
| 26 | 12% | 93% | |
| 27 | 39% | 81% | Median |
| 28 | 16% | 42% | |
| 29 | 16% | 26% | |
| 30 | 9% | 10% | |
| 31 | 1.3% | 1.3% | Last Result |
| 32 | 0% | 0% | Majority |
Vinstrihreyfingin – grænt framboð – Samfylkingin – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 22 | 0.3% | 100% | |
| 23 | 0.7% | 99.6% | |
| 24 | 14% | 98.9% | |
| 25 | 16% | 85% | |
| 26 | 22% | 70% | Median |
| 27 | 26% | 48% | |
| 28 | 19% | 22% | |
| 29 | 2% | 3% | |
| 30 | 0.6% | 0.6% | |
| 31 | 0% | 0% | |
| 32 | 0% | 0% | Majority |
| 33 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 22 | 2% | 100% | |
| 23 | 17% | 98% | |
| 24 | 25% | 81% | Median |
| 25 | 28% | 56% | |
| 26 | 22% | 28% | |
| 27 | 5% | 5% | Last Result |
| 28 | 0.6% | 0.7% | |
| 29 | 0.1% | 0.1% | |
| 30 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 19 | 0.1% | 100% | |
| 20 | 2% | 99.9% | |
| 21 | 6% | 98% | |
| 22 | 15% | 92% | |
| 23 | 37% | 76% | Median |
| 24 | 20% | 39% | Last Result |
| 25 | 11% | 19% | |
| 26 | 7% | 8% | |
| 27 | 1.1% | 1.1% | |
| 28 | 0% | 0% |
Sjálfstæðisflokkurinn – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.1% | 100% | |
| 21 | 3% | 99.9% | |
| 22 | 19% | 97% | |
| 23 | 20% | 78% | Last Result, Median |
| 24 | 25% | 57% | |
| 25 | 22% | 33% | |
| 26 | 8% | 10% | |
| 27 | 2% | 2% | |
| 28 | 0% | 0% |
Sjálfstæðisflokkurinn – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 2% | 100% | Last Result |
| 21 | 13% | 98% | |
| 22 | 18% | 85% | |
| 23 | 21% | 68% | Median |
| 24 | 21% | 46% | |
| 25 | 21% | 25% | |
| 26 | 4% | 4% | |
| 27 | 0.2% | 0.2% | |
| 28 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.3% | 100% | |
| 19 | 0.9% | 99.6% | |
| 20 | 15% | 98.8% | |
| 21 | 20% | 84% | |
| 22 | 22% | 64% | Median |
| 23 | 26% | 42% | |
| 24 | 14% | 16% | |
| 25 | 2% | 2% | |
| 26 | 0.1% | 0.1% | Last Result |
| 27 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin – Píratar

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 19 | 6% | 100% | |
| 20 | 6% | 94% | |
| 21 | 17% | 88% | |
| 22 | 25% | 72% | Median |
| 23 | 27% | 47% | |
| 24 | 19% | 20% | Last Result |
| 25 | 1.0% | 1.0% | |
| 26 | 0% | 0% |
Sjálfstæðisflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 3% | 100% | |
| 19 | 18% | 97% | |
| 20 | 29% | 79% | Median |
| 21 | 19% | 50% | |
| 22 | 14% | 32% | |
| 23 | 17% | 18% | Last Result |
| 24 | 1.4% | 1.4% | |
| 25 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 16 | 0.2% | 100% | |
| 17 | 7% | 99.8% | |
| 18 | 11% | 93% | |
| 19 | 32% | 81% | Median |
| 20 | 25% | 50% | |
| 21 | 21% | 24% | |
| 22 | 3% | 3% | |
| 23 | 0.5% | 0.5% | |
| 24 | 0% | 0% | |
| 25 | 0% | 0% | Last Result |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 15 | 0.2% | 100% | |
| 16 | 0.9% | 99.8% | |
| 17 | 8% | 98.9% | |
| 18 | 23% | 90% | |
| 19 | 27% | 67% | Median |
| 20 | 31% | 40% | |
| 21 | 8% | 9% | |
| 22 | 1.1% | 1.1% | |
| 23 | 0% | 0% | |
| 24 | 0% | 0% | |
| 25 | 0% | 0% | |
| 26 | 0% | 0% | Last Result |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 11 | 0.2% | 100% | |
| 12 | 0.9% | 99.8% | |
| 13 | 10% | 98.9% | |
| 14 | 32% | 88% | |
| 15 | 21% | 57% | Median |
| 16 | 31% | 36% | |
| 17 | 5% | 5% | |
| 18 | 0.2% | 0.2% | |
| 19 | 0% | 0% | Last Result |
Vinstrihreyfingin – grænt framboð – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 12 | 0.1% | 100% | |
| 13 | 7% | 99.9% | |
| 14 | 13% | 93% | |
| 15 | 38% | 80% | Median |
| 16 | 26% | 42% | |
| 17 | 15% | 16% | |
| 18 | 1.1% | 1.1% | Last Result |
| 19 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Píratar

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 12 | 0.1% | 100% | |
| 13 | 12% | 99.9% | |
| 14 | 18% | 88% | |
| 15 | 28% | 70% | Median |
| 16 | 40% | 42% | |
| 17 | 1.3% | 2% | Last Result |
| 18 | 0.2% | 0.2% | |
| 19 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 10 | 1.4% | 100% | |
| 11 | 15% | 98.5% | |
| 12 | 43% | 84% | Median |
| 13 | 35% | 41% | |
| 14 | 6% | 7% | |
| 15 | 0.6% | 0.6% | |
| 16 | 0% | 0% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | Last Result |
Technical Information
Opinion Poll
- Polling firm: Gallup
- Commissioner(s): —
- Fieldwork period: 29 August 2021
Calculations
- Sample size: 2307
- Simulations done: 1,048,576
- Error estimate: 0.70%