Opinion Poll by Gallup, 1–30 April 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% | 23.8% | 22.6–25.1% | 22.2–25.4% | 21.9–25.8% | 21.3–26.4% |
| Vinstrihreyfingin – grænt framboð | 16.9% | 14.3% | 13.3–15.4% | 13.0–15.7% | 12.8–15.9% | 12.3–16.5% |
| Samfylkingin | 12.1% | 12.0% | 11.1–13.0% | 10.8–13.3% | 10.6–13.5% | 10.2–14.0% |
| Píratar | 9.2% | 12.0% | 11.1–13.0% | 10.8–13.3% | 10.6–13.5% | 10.2–14.0% |
| Framsóknarflokkurinn | 10.7% | 10.1% | 9.2–11.0% | 9.0–11.3% | 8.8–11.5% | 8.4–12.0% |
| Viðreisn | 6.7% | 9.6% | 8.8–10.5% | 8.6–10.8% | 8.4–11.0% | 8.0–11.5% |
| Miðflokkurinn | 10.9% | 8.2% | 7.4–9.0% | 7.2–9.3% | 7.0–9.5% | 6.7–9.9% |
| Sósíalistaflokkur Íslands | 0.0% | 5.0% | 4.4–5.7% | 4.2–5.9% | 4.1–6.1% | 3.8–6.4% |
| Flokkur fólksins | 6.9% | 4.7% | 4.1–5.4% | 4.0–5.6% | 3.9–5.8% | 3.6–6.1% |
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 | 17 | 15–18 | 15–18 | 14–18 | 14–19 |
| Vinstrihreyfingin – grænt framboð | 11 | 10 | 9–11 | 9–11 | 8–11 | 8–11 |
| Samfylkingin | 7 | 8 | 7–9 | 6–9 | 6–9 | 6–10 |
| Píratar | 6 | 8 | 7–9 | 7–9 | 6–9 | 6–10 |
| Framsóknarflokkurinn | 8 | 7 | 6–8 | 5–8 | 5–8 | 5–8 |
| Viðreisn | 4 | 6 | 5–7 | 5–7 | 5–7 | 5–8 |
| Miðflokkurinn | 7 | 5 | 4–6 | 4–6 | 4–6 | 4–6 |
| Sósíalistaflokkur Íslands | 0 | 0 | 0–3 | 0–3 | 0–4 | 0–4 |
| Flokkur fólksins | 4 | 0 | 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 |
|---|---|---|---|
| 13 | 0.2% | 100% | |
| 14 | 3% | 99.8% | |
| 15 | 8% | 97% | |
| 16 | 11% | 89% | Last Result |
| 17 | 30% | 77% | Median |
| 18 | 45% | 47% | |
| 19 | 2% | 2% | |
| 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 |
|---|---|---|---|
| 8 | 3% | 100% | |
| 9 | 35% | 97% | |
| 10 | 42% | 61% | Median |
| 11 | 19% | 19% | Last Result |
| 12 | 0.2% | 0.2% | |
| 13 | 0% | 0% |
Samfylkingin
For a full overview of the results for this party, see the Samfylkingin page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 6 | 9% | 100% | |
| 7 | 24% | 91% | Last Result |
| 8 | 56% | 68% | Median |
| 9 | 11% | 12% | |
| 10 | 1.1% | 1.1% | |
| 11 | 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 | 3% | 100% | Last Result |
| 7 | 16% | 97% | |
| 8 | 52% | 80% | Median |
| 9 | 28% | 29% | |
| 10 | 0.5% | 0.5% | |
| 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 | 6% | 100% | |
| 6 | 18% | 94% | |
| 7 | 44% | 75% | Median |
| 8 | 32% | 32% | 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% | 100% | Last Result |
| 5 | 15% | 100% | |
| 6 | 68% | 85% | Median |
| 7 | 16% | 17% | |
| 8 | 1.0% | 1.0% | |
| 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 | 12% | 100% | |
| 5 | 58% | 88% | Median |
| 6 | 30% | 30% | |
| 7 | 0.5% | 0.5% | Last Result |
| 8 | 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 | 59% | 100% | Last Result, Median |
| 1 | 0% | 41% | |
| 2 | 0% | 41% | |
| 3 | 37% | 41% | |
| 4 | 4% | 4% | |
| 5 | 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 | 72% | 100% | Median |
| 1 | 0% | 28% | |
| 2 | 0% | 28% | |
| 3 | 27% | 28% | |
| 4 | 0.6% | 0.6% | 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 | 34 | 96% | 32–36 | 32–36 | 31–36 | 30–37 |
| Vinstrihreyfingin – grænt framboð – Píratar – Samfylkingin – Viðreisn | 28 | 32 | 62% | 29–33 | 28–34 | 28–34 | 27–35 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin – Framsóknarflokkurinn – Miðflokkurinn | 33 | 30 | 5% | 27–31 | 27–32 | 26–32 | 26–33 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn | 31 | 30 | 0.3% | 27–31 | 27–31 | 26–31 | 25–31 |
| Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð | 27 | 27 | 0% | 25–29 | 25–29 | 24–29 | 24–29 |
| Vinstrihreyfingin – grænt framboð – Píratar – Samfylkingin | 24 | 26 | 0% | 23–27 | 23–27 | 23–28 | 21–28 |
| Sjálfstæðisflokkurinn – Samfylkingin | 23 | 25 | 0% | 23–26 | 23–26 | 22–27 | 21–27 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin – Framsóknarflokkurinn | 26 | 25 | 0% | 22–26 | 22–26 | 21–27 | 21–27 |
| Sjálfstæðisflokkurinn – Framsóknarflokkurinn | 24 | 24 | 0% | 22–25 | 22–26 | 21–26 | 21–26 |
| Sjálfstæðisflokkurinn – Viðreisn | 20 | 23 | 0% | 21–24 | 21–25 | 20–25 | 20–25 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin – Miðflokkurinn | 25 | 23 | 0% | 21–24 | 19–24 | 19–25 | 19–26 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn | 26 | 22 | 0% | 20–23 | 20–23 | 19–24 | 19–25 |
| Sjálfstæðisflokkurinn – Miðflokkurinn | 23 | 23 | 0% | 21–23 | 20–24 | 19–24 | 18–24 |
| Vinstrihreyfingin – grænt framboð – Píratar | 17 | 18 | 0% | 16–19 | 16–19 | 15–19 | 15–20 |
| Vinstrihreyfingin – grænt framboð – Samfylkingin | 18 | 18 | 0% | 16–19 | 15–19 | 15–19 | 15–20 |
| Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn | 19 | 17 | 0% | 15–18 | 15–18 | 14–19 | 14–19 |
| Vinstrihreyfingin – grænt framboð – Miðflokkurinn | 18 | 15 | 0% | 14–16 | 13–16 | 13–17 | 13–17 |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 29 | 0.1% | 100% | |
| 30 | 0.8% | 99.9% | |
| 31 | 3% | 99.1% | |
| 32 | 16% | 96% | Majority |
| 33 | 18% | 80% | |
| 34 | 28% | 62% | Median |
| 35 | 15% | 34% | Last Result |
| 36 | 18% | 19% | |
| 37 | 0.5% | 0.5% | |
| 38 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Píratar – Samfylkingin – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 26 | 0.3% | 100% | |
| 27 | 1.2% | 99.7% | |
| 28 | 6% | 98% | Last Result |
| 29 | 8% | 92% | |
| 30 | 11% | 84% | |
| 31 | 11% | 73% | |
| 32 | 21% | 62% | Median, Majority |
| 33 | 31% | 40% | |
| 34 | 8% | 9% | |
| 35 | 0.6% | 0.9% | |
| 36 | 0.2% | 0.2% | |
| 37 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 25 | 0.2% | 100% | |
| 26 | 4% | 99.8% | |
| 27 | 13% | 96% | |
| 28 | 11% | 84% | |
| 29 | 11% | 73% | |
| 30 | 14% | 62% | Median |
| 31 | 42% | 48% | |
| 32 | 4% | 5% | Majority |
| 33 | 2% | 2% | Last Result |
| 34 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 24 | 0.1% | 100% | |
| 25 | 0.8% | 99.9% | |
| 26 | 2% | 99.2% | |
| 27 | 9% | 97% | |
| 28 | 12% | 88% | |
| 29 | 24% | 76% | Median |
| 30 | 34% | 52% | |
| 31 | 18% | 18% | Last Result |
| 32 | 0.3% | 0.3% | Majority |
| 33 | 0% | 0% |
Sjálfstæðisflokkurinn – Vinstrihreyfingin – grænt framboð

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 23 | 0.4% | 100% | |
| 24 | 3% | 99.6% | |
| 25 | 13% | 96% | |
| 26 | 23% | 84% | |
| 27 | 28% | 61% | Last Result, Median |
| 28 | 17% | 33% | |
| 29 | 15% | 16% | |
| 30 | 0.2% | 0.3% | |
| 31 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Píratar – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 21 | 0.9% | 100% | |
| 22 | 0.8% | 99.1% | |
| 23 | 11% | 98% | |
| 24 | 14% | 87% | Last Result |
| 25 | 16% | 73% | |
| 26 | 21% | 57% | Median |
| 27 | 32% | 36% | |
| 28 | 4% | 4% | |
| 29 | 0.3% | 0.4% | |
| 30 | 0.1% | 0.1% | |
| 31 | 0% | 0% |
Sjálfstæðisflokkurinn – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.2% | 100% | |
| 21 | 0.5% | 99.8% | |
| 22 | 3% | 99.3% | |
| 23 | 20% | 97% | Last Result |
| 24 | 8% | 77% | |
| 25 | 30% | 69% | Median |
| 26 | 34% | 38% | |
| 27 | 4% | 4% | |
| 28 | 0.2% | 0.2% | |
| 29 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.1% | 100% | |
| 21 | 3% | 99.9% | |
| 22 | 9% | 97% | |
| 23 | 16% | 88% | |
| 24 | 11% | 72% | |
| 25 | 30% | 60% | Median |
| 26 | 27% | 30% | Last Result |
| 27 | 3% | 3% | |
| 28 | 0.2% | 0.2% | |
| 29 | 0% | 0% |
Sjálfstæðisflokkurinn – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0.4% | 100% | |
| 21 | 3% | 99.5% | |
| 22 | 10% | 97% | |
| 23 | 13% | 87% | |
| 24 | 26% | 74% | Last Result, Median |
| 25 | 38% | 47% | |
| 26 | 9% | 9% | |
| 27 | 0.2% | 0.2% | |
| 28 | 0% | 0% |
Sjálfstæðisflokkurinn – Viðreisn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 19 | 0.3% | 100% | |
| 20 | 3% | 99.7% | Last Result |
| 21 | 9% | 97% | |
| 22 | 14% | 88% | |
| 23 | 26% | 74% | Median |
| 24 | 42% | 49% | |
| 25 | 7% | 7% | |
| 26 | 0.3% | 0.3% | |
| 27 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 19 | 5% | 100% | |
| 20 | 4% | 95% | |
| 21 | 14% | 91% | |
| 22 | 18% | 77% | |
| 23 | 18% | 59% | Median |
| 24 | 36% | 41% | |
| 25 | 4% | 5% | Last Result |
| 26 | 0.8% | 0.9% | |
| 27 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.1% | 100% | |
| 19 | 4% | 99.9% | |
| 20 | 11% | 96% | |
| 21 | 21% | 85% | |
| 22 | 18% | 64% | Median |
| 23 | 42% | 46% | |
| 24 | 3% | 4% | |
| 25 | 1.4% | 1.4% | |
| 26 | 0% | 0% | Last Result |
Sjálfstæðisflokkurinn – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 18 | 0.9% | 100% | |
| 19 | 2% | 99.1% | |
| 20 | 7% | 97% | |
| 21 | 15% | 90% | |
| 22 | 16% | 75% | Median |
| 23 | 50% | 59% | Last Result |
| 24 | 9% | 9% | |
| 25 | 0.5% | 0.5% | |
| 26 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Píratar

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 15 | 3% | 100% | |
| 16 | 11% | 97% | |
| 17 | 23% | 86% | Last Result |
| 18 | 27% | 63% | Median |
| 19 | 35% | 36% | |
| 20 | 0.9% | 1.0% | |
| 21 | 0.1% | 0.1% | |
| 22 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Samfylkingin

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 15 | 8% | 100% | |
| 16 | 17% | 92% | |
| 17 | 18% | 75% | |
| 18 | 31% | 56% | Last Result, Median |
| 19 | 24% | 25% | |
| 20 | 1.3% | 1.3% | |
| 21 | 0.1% | 0.1% | |
| 22 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Framsóknarflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 4% | 100% | |
| 15 | 12% | 96% | |
| 16 | 17% | 84% | |
| 17 | 39% | 67% | Median |
| 18 | 25% | 28% | |
| 19 | 2% | 3% | Last Result |
| 20 | 0% | 0% |
Vinstrihreyfingin – grænt framboð – Miðflokkurinn

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 12 | 0.4% | 100% | |
| 13 | 9% | 99.6% | |
| 14 | 23% | 90% | |
| 15 | 31% | 67% | Median |
| 16 | 32% | 36% | |
| 17 | 4% | 4% | |
| 18 | 0% | 0% | Last Result |
Technical Information
Opinion Poll
- Polling firm: Gallup
- Commissioner(s): —
- Fieldwork period: 1–30 April 2021
Calculations
- Sample size: 1884
- Simulations done: 1,048,576
- Error estimate: 0.82%