Opinion Poll by BMG Research for The Herald, 27–30 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 |
|---|---|---|---|---|---|---|
| Scottish National Party | 41.7% | 37.0% | 35.1–39.0% | 34.5–39.6% | 34.0–40.0% | 33.2–41.0% |
| Scottish Conservative & Unionist Party | 22.9% | 22.0% | 20.4–23.7% | 19.9–24.2% | 19.5–24.7% | 18.8–25.5% |
| Scottish Labour | 19.1% | 17.0% | 15.5–18.6% | 15.2–19.1% | 14.8–19.5% | 14.1–20.3% |
| Scottish Greens | 6.6% | 9.0% | 7.9–10.3% | 7.6–10.6% | 7.4–10.9% | 6.9–11.6% |
| Scottish Liberal Democrats | 5.2% | 8.0% | 7.0–9.2% | 6.7–9.6% | 6.5–9.9% | 6.0–10.5% |
| Alba Party | 0.0% | 4.0% | 3.3–4.9% | 3.1–5.2% | 2.9–5.4% | 2.7–5.9% |
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 |
|---|---|---|---|---|---|---|
| Scottish National Party | 63 | 61 | 59–65 | 57–68 | 55–68 | 53–69 |
| Scottish Conservative & Unionist Party | 31 | 28 | 25–32 | 24–33 | 24–33 | 22–34 |
| Scottish Labour | 24 | 21 | 18–24 | 17–25 | 17–25 | 16–26 |
| Scottish Greens | 6 | 10 | 10–11 | 9–12 | 8–12 | 6–13 |
| Scottish Liberal Democrats | 5 | 8 | 6–10 | 6–11 | 6–12 | 5–13 |
| Alba Party | 0 | 0 | 0–1 | 0–2 | 0–3 | 0–6 |
Scottish National Party
For a full overview of the results for this party, see the Scottish National Party page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 52 | 0.1% | 100% | |
| 53 | 1.1% | 99.9% | |
| 54 | 0.7% | 98.8% | |
| 55 | 1.1% | 98% | |
| 56 | 1.0% | 97% | |
| 57 | 2% | 96% | |
| 58 | 3% | 94% | |
| 59 | 12% | 90% | |
| 60 | 20% | 78% | |
| 61 | 21% | 58% | Median |
| 62 | 13% | 38% | |
| 63 | 7% | 25% | Last Result |
| 64 | 4% | 17% | |
| 65 | 4% | 13% | Majority |
| 66 | 3% | 9% | |
| 67 | 1.3% | 7% | |
| 68 | 4% | 5% | |
| 69 | 1.1% | 1.2% | |
| 70 | 0.1% | 0.1% | |
| 71 | 0% | 0% |
Scottish Conservative & Unionist Party
For a full overview of the results for this party, see the Scottish Conservative & Unionist Party page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 21 | 0.2% | 100% | |
| 22 | 0.7% | 99.8% | |
| 23 | 1.3% | 99.1% | |
| 24 | 4% | 98% | |
| 25 | 11% | 93% | |
| 26 | 15% | 82% | |
| 27 | 13% | 67% | |
| 28 | 15% | 54% | Median |
| 29 | 11% | 39% | |
| 30 | 11% | 28% | |
| 31 | 6% | 17% | Last Result |
| 32 | 5% | 11% | |
| 33 | 4% | 6% | |
| 34 | 1.3% | 2% | |
| 35 | 0.4% | 0.5% | |
| 36 | 0.1% | 0.1% | |
| 37 | 0% | 0% |
Scottish Labour
For a full overview of the results for this party, see the Scottish Labour page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 16 | 1.2% | 100% | |
| 17 | 8% | 98.8% | |
| 18 | 12% | 91% | |
| 19 | 10% | 79% | |
| 20 | 12% | 69% | |
| 21 | 16% | 57% | Median |
| 22 | 14% | 41% | |
| 23 | 14% | 28% | |
| 24 | 8% | 14% | Last Result |
| 25 | 4% | 6% | |
| 26 | 2% | 2% | |
| 27 | 0.1% | 0.1% | |
| 28 | 0% | 0% |
Scottish Greens
For a full overview of the results for this party, see the Scottish Greens page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 4 | 0.1% | 100% | |
| 5 | 0.2% | 99.8% | |
| 6 | 1.1% | 99.6% | Last Result |
| 7 | 0.9% | 98% | |
| 8 | 1.2% | 98% | |
| 9 | 4% | 96% | |
| 10 | 71% | 92% | Median |
| 11 | 13% | 21% | |
| 12 | 6% | 8% | |
| 13 | 2% | 2% | |
| 14 | 0.3% | 0.4% | |
| 15 | 0% | 0% |
Scottish Liberal Democrats
For a full overview of the results for this party, see the Scottish Liberal Democrats page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 4 | 0.1% | 100% | |
| 5 | 1.1% | 99.9% | Last Result |
| 6 | 15% | 98.8% | |
| 7 | 10% | 84% | |
| 8 | 29% | 74% | Median |
| 9 | 16% | 46% | |
| 10 | 22% | 30% | |
| 11 | 4% | 8% | |
| 12 | 2% | 4% | |
| 13 | 1.2% | 1.3% | |
| 14 | 0% | 0% |
Alba Party
For a full overview of the results for this party, see the Alba Party page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 86% | 100% | Last Result, Median |
| 1 | 6% | 14% | |
| 2 | 4% | 8% | |
| 3 | 2% | 4% | |
| 4 | 0.9% | 2% | |
| 5 | 0.4% | 1.1% | |
| 6 | 0.3% | 0.7% | |
| 7 | 0.3% | 0.4% | |
| 8 | 0.1% | 0.1% | |
| 9 | 0% | 0% |
Coalitions

Confidence Intervals
| Coalition | Last Result | Median | Majority? | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|---|
| Scottish National Party – Scottish Greens – Alba Party | 69 | 71 | 98.5% | 69–76 | 67–78 | 66–79 | 63–80 |
| Scottish National Party – Scottish Greens | 69 | 71 | 98% | 68–75 | 67–77 | 65–78 | 63–79 |
| Scottish National Party – Alba Party | 63 | 61 | 16% | 59–66 | 57–68 | 55–68 | 53–70 |
| Scottish National Party | 63 | 61 | 13% | 59–65 | 57–68 | 55–68 | 53–69 |
| Scottish Conservative & Unionist Party – Scottish Labour – Scottish Liberal Democrats | 60 | 58 | 1.5% | 53–60 | 51–62 | 50–63 | 49–66 |
| Scottish Conservative & Unionist Party – Scottish Labour | 55 | 49 | 0% | 45–52 | 44–54 | 43–55 | 41–56 |
| Scottish Labour – Scottish Greens – Scottish Liberal Democrats | 35 | 39 | 0% | 35–43 | 34–44 | 34–44 | 33–46 |
| Scottish Conservative & Unionist Party – Scottish Liberal Democrats | 36 | 36 | 0% | 33–40 | 32–41 | 31–42 | 29–44 |
| Scottish Labour – Scottish Liberal Democrats | 29 | 29 | 0% | 25–33 | 24–33 | 24–34 | 23–35 |
Scottish National Party – Scottish Greens – Alba Party

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 62 | 0.1% | 100% | |
| 63 | 0.5% | 99.9% | |
| 64 | 0.9% | 99.4% | |
| 65 | 0.9% | 98.5% | Majority |
| 66 | 2% | 98% | |
| 67 | 2% | 96% | |
| 68 | 3% | 94% | |
| 69 | 10% | 91% | Last Result |
| 70 | 14% | 81% | |
| 71 | 20% | 67% | Median |
| 72 | 15% | 47% | |
| 73 | 10% | 32% | |
| 74 | 5% | 23% | |
| 75 | 5% | 17% | |
| 76 | 4% | 12% | |
| 77 | 3% | 8% | |
| 78 | 2% | 5% | |
| 79 | 2% | 3% | |
| 80 | 0.4% | 0.8% | |
| 81 | 0.2% | 0.3% | |
| 82 | 0% | 0.1% | |
| 83 | 0% | 0% |
Scottish National Party – Scottish Greens

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 62 | 0.1% | 100% | |
| 63 | 0.6% | 99.9% | |
| 64 | 0.9% | 99.3% | |
| 65 | 1.1% | 98% | Majority |
| 66 | 2% | 97% | |
| 67 | 2% | 96% | |
| 68 | 4% | 93% | |
| 69 | 11% | 90% | Last Result |
| 70 | 15% | 79% | |
| 71 | 21% | 64% | Median |
| 72 | 16% | 43% | |
| 73 | 9% | 28% | |
| 74 | 5% | 19% | |
| 75 | 5% | 14% | |
| 76 | 3% | 9% | |
| 77 | 2% | 7% | |
| 78 | 2% | 4% | |
| 79 | 2% | 2% | |
| 80 | 0.1% | 0.1% | |
| 81 | 0% | 0% |
Scottish National Party – Alba Party

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 53 | 0.9% | 100% | |
| 54 | 0.7% | 99.0% | |
| 55 | 0.9% | 98% | |
| 56 | 1.1% | 97% | |
| 57 | 2% | 96% | |
| 58 | 3% | 94% | |
| 59 | 11% | 91% | |
| 60 | 18% | 80% | |
| 61 | 19% | 62% | Median |
| 62 | 13% | 43% | |
| 63 | 8% | 29% | Last Result |
| 64 | 5% | 21% | |
| 65 | 5% | 16% | Majority |
| 66 | 4% | 11% | |
| 67 | 1.3% | 8% | |
| 68 | 4% | 6% | |
| 69 | 2% | 2% | |
| 70 | 0.4% | 0.6% | |
| 71 | 0.2% | 0.3% | |
| 72 | 0% | 0.1% | |
| 73 | 0% | 0% |
Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 52 | 0.1% | 100% | |
| 53 | 1.1% | 99.9% | |
| 54 | 0.7% | 98.8% | |
| 55 | 1.1% | 98% | |
| 56 | 1.0% | 97% | |
| 57 | 2% | 96% | |
| 58 | 3% | 94% | |
| 59 | 12% | 90% | |
| 60 | 20% | 78% | |
| 61 | 21% | 58% | Median |
| 62 | 13% | 38% | |
| 63 | 7% | 25% | Last Result |
| 64 | 4% | 17% | |
| 65 | 4% | 13% | Majority |
| 66 | 3% | 9% | |
| 67 | 1.3% | 7% | |
| 68 | 4% | 5% | |
| 69 | 1.1% | 1.2% | |
| 70 | 0.1% | 0.1% | |
| 71 | 0% | 0% |
Scottish Conservative & Unionist Party – Scottish Labour – Scottish Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 47 | 0% | 100% | |
| 48 | 0.2% | 99.9% | |
| 49 | 0.4% | 99.7% | |
| 50 | 2% | 99.2% | |
| 51 | 2% | 97% | |
| 52 | 3% | 95% | |
| 53 | 4% | 92% | |
| 54 | 5% | 88% | |
| 55 | 5% | 83% | |
| 56 | 10% | 77% | |
| 57 | 15% | 68% | Median |
| 58 | 20% | 53% | |
| 59 | 14% | 33% | |
| 60 | 10% | 19% | Last Result |
| 61 | 3% | 9% | |
| 62 | 2% | 6% | |
| 63 | 2% | 4% | |
| 64 | 0.9% | 2% | |
| 65 | 0.9% | 1.5% | Majority |
| 66 | 0.5% | 0.6% | |
| 67 | 0.1% | 0.1% | |
| 68 | 0% | 0% |
Scottish Conservative & Unionist Party – Scottish Labour

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 39 | 0.1% | 100% | |
| 40 | 0.2% | 99.9% | |
| 41 | 0.8% | 99.8% | |
| 42 | 1.3% | 99.0% | |
| 43 | 2% | 98% | |
| 44 | 4% | 96% | |
| 45 | 5% | 92% | |
| 46 | 7% | 88% | |
| 47 | 9% | 81% | |
| 48 | 15% | 72% | |
| 49 | 15% | 56% | Median |
| 50 | 17% | 41% | |
| 51 | 9% | 24% | |
| 52 | 5% | 15% | |
| 53 | 4% | 10% | |
| 54 | 3% | 6% | |
| 55 | 1.2% | 3% | Last Result |
| 56 | 0.9% | 1.4% | |
| 57 | 0.3% | 0.5% | |
| 58 | 0.1% | 0.2% | |
| 59 | 0.1% | 0.1% | |
| 60 | 0% | 0% |
Scottish Labour – Scottish Greens – Scottish Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 31 | 0.2% | 100% | |
| 32 | 0.2% | 99.8% | |
| 33 | 2% | 99.6% | |
| 34 | 3% | 98% | |
| 35 | 5% | 95% | Last Result |
| 36 | 7% | 90% | |
| 37 | 8% | 83% | |
| 38 | 10% | 75% | |
| 39 | 15% | 65% | Median |
| 40 | 11% | 50% | |
| 41 | 10% | 39% | |
| 42 | 13% | 29% | |
| 43 | 9% | 16% | |
| 44 | 4% | 7% | |
| 45 | 2% | 2% | |
| 46 | 0.5% | 0.6% | |
| 47 | 0.1% | 0.1% | |
| 48 | 0% | 0% |
Scottish Conservative & Unionist Party – Scottish Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 28 | 0.1% | 100% | |
| 29 | 0.5% | 99.9% | |
| 30 | 0.9% | 99.4% | |
| 31 | 2% | 98% | |
| 32 | 4% | 96% | |
| 33 | 6% | 93% | |
| 34 | 12% | 87% | |
| 35 | 15% | 75% | |
| 36 | 14% | 60% | Last Result, Median |
| 37 | 11% | 45% | |
| 38 | 12% | 34% | |
| 39 | 6% | 22% | |
| 40 | 9% | 17% | |
| 41 | 3% | 7% | |
| 42 | 2% | 4% | |
| 43 | 0.6% | 2% | |
| 44 | 0.8% | 1.2% | |
| 45 | 0.4% | 0.4% | |
| 46 | 0.1% | 0.1% | |
| 47 | 0% | 0% |
Scottish Labour – Scottish Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 22 | 0.2% | 100% | |
| 23 | 2% | 99.8% | |
| 24 | 3% | 98% | |
| 25 | 5% | 94% | |
| 26 | 7% | 89% | |
| 27 | 8% | 82% | |
| 28 | 10% | 74% | |
| 29 | 16% | 64% | Last Result, Median |
| 30 | 13% | 49% | |
| 31 | 10% | 36% | |
| 32 | 13% | 26% | |
| 33 | 8% | 12% | |
| 34 | 3% | 5% | |
| 35 | 1.3% | 2% | |
| 36 | 0.3% | 0.4% | |
| 37 | 0.1% | 0.1% | |
| 38 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: BMG Research
- Commissioner(s): The Herald
- Fieldwork period: 27–30 April 2021
Calculations
- Sample size: 1000
- Simulations done: 1,048,576
- Error estimate: 0.82%