Opinion Poll by Gallup, 30 August–12 September 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% | 22.0% | 21.0–23.0% | 20.8–23.3% | 20.5–23.5% | 20.1–24.0% |
| Framsóknarflokkurinn | 10.7% | 12.9% | 12.1–13.7% | 11.9–13.9% | 11.7–14.1% | 11.4–14.5% |
| Vinstrihreyfingin – grænt framboð | 16.9% | 11.8% | 11.1–12.6% | 10.9–12.8% | 10.7–13.0% | 10.3–13.4% |
| Samfylkingin | 12.1% | 11.0% | 10.3–11.8% | 10.1–12.0% | 9.9–12.2% | 9.6–12.6% |
| Píratar | 9.2% | 11.0% | 10.3–11.8% | 10.1–12.0% | 9.9–12.2% | 9.6–12.6% |
| Viðreisn | 6.7% | 9.9% | 9.2–10.6% | 9.1–10.9% | 8.9–11.0% | 8.6–11.4% |
| Sósíalistaflokkur Íslands | 0.0% | 7.8% | 7.2–8.5% | 7.0–8.6% | 6.9–8.8% | 6.6–9.1% |
| Miðflokkurinn | 10.9% | 7.6% | 7.0–8.2% | 6.8–8.4% | 6.7–8.6% | 6.4–8.9% |
| Flokkur fólksins | 6.9% | 4.9% | 4.4–5.5% | 4.3–5.6% | 4.2–5.7% | 4.0–6.0% |
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 | 15 | 13–16 | 13–16 | 13–16 | 13–17 |
| Framsóknarflokkurinn | 8 | 9 | 8–10 | 8–10 | 8–11 | 8–11 |
| Vinstrihreyfingin – grænt framboð | 11 | 8 | 7–9 | 7–9 | 7–9 | 6–9 |
| Samfylkingin | 7 | 7 | 6–8 | 6–8 | 6–8 | 6–8 |
| Píratar | 6 | 7 | 6–8 | 6–8 | 6–8 | 6–8 |
| Viðreisn | 4 | 6 | 6–7 | 6–7 | 6–7 | 5–7 |
| Sósíalistaflokkur Íslands | 0 | 5 | 4–5 | 4–5 | 4–5 | 4–6 |
| Miðflokkurinn | 7 | 5 | 4–5 | 4–5 | 4–5 | 4–6 |
| Flokkur fólksins | 4 | 0 | 0–3 | 0–3 | 0–3 | 0–3 |
Sjálfstæðisflokkurinn
For a full overview of the results for this party, see the Sjálfstæðisflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 13 | 12% | 100% | |
| 14 | 35% | 88% | |
| 15 | 36% | 53% | Median |
| 16 | 15% | 17% | Last Result |
| 17 | 2% | 2% | |
| 18 | 0.2% | 0.3% | |
| 19 | 0% | 0% |
Framsóknarflokkurinn
For a full overview of the results for this party, see the Framsóknarflokkurinn page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 8 | 34% | 100% | Last Result |
| 9 | 52% | 66% | Median |
| 10 | 11% | 13% | |
| 11 | 2% | 3% | |
| 12 | 0.3% | 0.3% | |
| 13 | 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 | 1.0% | 100% | |
| 7 | 16% | 99.0% | |
| 8 | 57% | 83% | Median |
| 9 | 26% | 26% | |
| 10 | 0.2% | 0.2% | |
| 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 |
|---|---|---|---|
| 6 | 11% | 100% | |
| 7 | 75% | 89% | Last Result, Median |
| 8 | 14% | 14% | |
| 9 | 0.1% | 0.1% | |
| 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 | 0.2% | 100% | |
| 6 | 14% | 99.8% | Last Result |
| 7 | 44% | 86% | Median |
| 8 | 42% | 43% | |
| 9 | 0.3% | 0.3% | |
| 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 | 1.4% | 100% | |
| 6 | 73% | 98.6% | Median |
| 7 | 25% | 25% | |
| 8 | 0.1% | 0.1% | |
| 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 | 84% | 86% | Median |
| 6 | 2% | 2% | |
| 7 | 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 | 29% | 100% | |
| 5 | 69% | 71% | Median |
| 6 | 2% | 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 | 55% | 100% | Median |
| 1 | 0% | 45% | |
| 2 | 0% | 45% | |
| 3 | 45% | 45% | |
| 4 | 0.2% | 0.2% | 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 – Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð | 35 | 31 | 50% | 30–33 | 30–33 | 30–33 | 29–34 |
| Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð – Samfylkingin – Miðflokkurinn | 33 | 29 | 0.1% | 27–30 | 27–30 | 27–31 | 26–31 |
| Vinstrihreyfingin – grænt framboð – Píratar – Samfylkingin – Viðreisn | 28 | 29 | 0.2% | 27–30 | 27–30 | 27–30 | 25–31 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn | 31 | 28 | 0.1% | 26–30 | 26–30 | 26–30 | 26–31 |
| Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð – Samfylkingin | 26 | 24 | 0% | 23–25 | 23–26 | 22–26 | 21–26 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn | 24 | 23 | 0% | 22–25 | 22–25 | 22–25 | 22–26 |
| Vinstrihreyfingin – grænt framboð – Píratar – Samfylkingin | 24 | 22 | 0% | 21–23 | 21–24 | 21–24 | 19–24 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð | 27 | 23 | 0% | 21–24 | 21–24 | 21–24 | 20–25 |
| Sjálfstæðisflokkurinn – Samfylkingin | 23 | 22 | 0% | 20–23 | 20–23 | 19–24 | 19–24 |
| Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 26 | 22 | 0% | 20–23 | 20–23 | 20–23 | 19–24 |
| Sjálfstæðisflokkurinn – Viðreisn | 20 | 21 | 0% | 19–22 | 19–23 | 19–23 | 19–23 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin – Miðflokkurinn | 25 | 20 | 0% | 19–21 | 18–21 | 18–22 | 17–22 |
| Sjálfstæðisflokkurinn – Miðflokkurinn | 23 | 19 | 0% | 18–21 | 18–21 | 17–21 | 17–22 |
| Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð | 19 | 17 | 0% | 16–18 | 16–18 | 15–19 | 15–19 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin | 18 | 15 | 0% | 14–16 | 14–16 | 13–17 | 13–17 |
| Vinstrihreyfingin – grænt framboð – Píratar | 17 | 15 | 0% | 14–16 | 14–16 | 14–16 | 13–17 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 18 | 13 | 0% | 12–14 | 12–14 | 11–14 | 11–14 |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 29 | 2% | 100% | |
| 30 | 14% | 98% | |
| 31 | 34% | 84% | |
| 32 | 35% | 50% | Median, Majority |
| 33 | 13% | 15% | |
| 34 | 2% | 2% | |
| 35 | 0.1% | 0.1% | Last Result |
| 36 | 0% | 0% |
Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð – Samfylkingin – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 0.2% | 100% | |
| 26 | 0.9% | 99.8% | |
| 27 | 12% | 98.8% | |
| 28 | 35% | 87% | |
| 29 | 30% | 52% | Median |
| 30 | 17% | 22% | |
| 31 | 5% | 5% | |
| 32 | 0.1% | 0.1% | Majority |
| 33 | 0% | 0% | Last Result |
Vinstrihreyfingin – grænt framboð – Píratar – Samfylkingin – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 0.8% | 100% | |
| 26 | 1.3% | 99.2% | |
| 27 | 10% | 98% | |
| 28 | 30% | 88% | Last Result, Median |
| 29 | 40% | 58% | |
| 30 | 16% | 18% | |
| 31 | 2% | 2% | |
| 32 | 0.2% | 0.2% | Majority |
| 33 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 26 | 11% | 100% | |
| 27 | 21% | 89% | |
| 28 | 27% | 68% | |
| 29 | 29% | 41% | Median |
| 30 | 11% | 13% | |
| 31 | 2% | 2% | Last Result |
| 32 | 0.1% | 0.1% | Majority |
| 33 | 0% | 0% |
Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.2% | 100% | |
| 21 | 0.6% | 99.8% | |
| 22 | 4% | 99.2% | |
| 23 | 30% | 96% | |
| 24 | 40% | 65% | Median |
| 25 | 19% | 25% | |
| 26 | 6% | 7% | Last Result |
| 27 | 0.2% | 0.2% | |
| 28 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 21 | 0.1% | 100% | |
| 22 | 22% | 99.9% | |
| 23 | 31% | 78% | |
| 24 | 32% | 46% | Last Result, Median |
| 25 | 12% | 14% | |
| 26 | 2% | 2% | |
| 27 | 0.1% | 0.2% | |
| 28 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Píratar – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 19 | 0.8% | 100% | |
| 20 | 1.3% | 99.2% | |
| 21 | 11% | 98% | |
| 22 | 38% | 87% | Median |
| 23 | 42% | 49% | |
| 24 | 6% | 7% | Last Result |
| 25 | 0.4% | 0.4% | |
| 26 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 19 | 0.2% | 100% | |
| 20 | 2% | 99.8% | |
| 21 | 12% | 98% | |
| 22 | 25% | 86% | |
| 23 | 41% | 61% | Median |
| 24 | 17% | 20% | |
| 25 | 2% | 2% | |
| 26 | 0% | 0% | |
| 27 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 19 | 3% | 100% | |
| 20 | 13% | 97% | |
| 21 | 28% | 83% | |
| 22 | 34% | 56% | Median |
| 23 | 18% | 22% | Last Result |
| 24 | 4% | 4% | |
| 25 | 0.3% | 0.3% | |
| 26 | 0.1% | 0.1% | |
| 27 | 0% | 0% |
Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.1% | 100% | |
| 19 | 0.6% | 99.9% | |
| 20 | 11% | 99.4% | |
| 21 | 37% | 88% | |
| 22 | 31% | 52% | Median |
| 23 | 19% | 21% | |
| 24 | 2% | 2% | |
| 25 | 0% | 0% | |
| 26 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.3% | 100% | |
| 19 | 13% | 99.7% | |
| 20 | 25% | 87% | Last Result |
| 21 | 35% | 62% | Median |
| 22 | 21% | 27% | |
| 23 | 6% | 6% | |
| 24 | 0.3% | 0.4% | |
| 25 | 0.1% | 0.1% | |
| 26 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 16 | 0.1% | 100% | |
| 17 | 0.9% | 99.9% | |
| 18 | 5% | 99.0% | |
| 19 | 28% | 94% | |
| 20 | 45% | 66% | Median |
| 21 | 17% | 21% | |
| 22 | 4% | 4% | |
| 23 | 0% | 0% | |
| 24 | 0% | 0% | |
| 25 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 17 | 3% | 100% | |
| 18 | 24% | 97% | |
| 19 | 28% | 72% | |
| 20 | 28% | 44% | Median |
| 21 | 14% | 16% | |
| 22 | 2% | 2% | |
| 23 | 0.2% | 0.2% | Last Result |
| 24 | 0% | 0% |
Framsóknarflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 0.3% | 100% | |
| 15 | 4% | 99.7% | |
| 16 | 28% | 95% | |
| 17 | 44% | 68% | Median |
| 18 | 20% | 23% | |
| 19 | 3% | 3% | Last Result |
| 20 | 0.1% | 0.1% | |
| 21 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 12 | 0.3% | 100% | |
| 13 | 2% | 99.7% | |
| 14 | 19% | 97% | |
| 15 | 47% | 78% | Median |
| 16 | 27% | 31% | |
| 17 | 4% | 4% | |
| 18 | 0.1% | 0.1% | Last Result |
| 19 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Píratar

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 12 | 0.2% | 100% | |
| 13 | 1.1% | 99.8% | |
| 14 | 10% | 98.7% | |
| 15 | 40% | 88% | Median |
| 16 | 47% | 48% | |
| 17 | 1.1% | 1.1% | Last Result |
| 18 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 10 | 0.4% | 100% | |
| 11 | 2% | 99.6% | |
| 12 | 31% | 97% | |
| 13 | 50% | 67% | Median |
| 14 | 16% | 17% | |
| 15 | 0.3% | 0.3% | |
| 16 | 0% | 0% | |
| 17 | 0% | 0% | |
| 18 | 0% | 0% | Last Result |
Technical Information
Opinion Poll
- Polling firm: Gallup
- Commissioner(s): —
- Fieldwork period: 30 August–12 September 2021
Calculations
- Sample size: 2978
- Simulations done: 1,048,576
- Error estimate: 0.96%