Opinion Poll by BMG Research for Herald Scotland, 16–19 March 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% | 42.0% | 40.1–44.0% | 39.5–44.6% | 39.0–45.1% | 38.1–46.0% |
| Scottish Conservative & Unionist Party | 22.9% | 22.0% | 20.4–23.8% | 20.0–24.3% | 19.6–24.7% | 18.9–25.5% |
| Scottish Labour | 19.1% | 17.0% | 15.6–18.6% | 15.2–19.1% | 14.9–19.5% | 14.2–20.3% |
| Scottish Greens | 6.6% | 8.0% | 7.0–9.2% | 6.8–9.6% | 6.5–9.9% | 6.1–10.5% |
| Scottish Liberal Democrats | 5.2% | 8.0% | 7.0–9.2% | 6.8–9.6% | 6.5–9.9% | 6.1–10.5% |
| Reform UK | 0.0% | 1.0% | 0.7–1.5% | 0.6–1.7% | 0.5–1.8% | 0.4–2.1% |
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 |
|---|---|---|---|---|---|---|
| Scottish National Party | 63 | 65 | 62–69 | 61–69 | 61–70 | 60–70 |
| Scottish Conservative & Unionist Party | 31 | 27 | 24–31 | 24–32 | 23–32 | 22–33 |
| Scottish Labour | 24 | 20 | 17–23 | 17–24 | 17–24 | 16–26 |
| Scottish Greens | 6 | 10 | 5–10 | 5–10 | 4–10 | 4–11 |
| Scottish Liberal Democrats | 5 | 8 | 6–10 | 6–10 | 6–11 | 5–12 |
| Reform UK | 0 | 0 | 0 | 0 | 0 | 0 |
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 |
|---|---|---|---|
| 58 | 0% | 100% | |
| 59 | 0.2% | 99.9% | |
| 60 | 2% | 99.8% | |
| 61 | 6% | 98% | |
| 62 | 9% | 92% | |
| 63 | 10% | 83% | Last Result |
| 64 | 12% | 73% | |
| 65 | 24% | 61% | Median, Majority |
| 66 | 5% | 37% | |
| 67 | 15% | 32% | |
| 68 | 4% | 17% | |
| 69 | 10% | 13% | |
| 70 | 3% | 3% | |
| 71 | 0.2% | 0.2% | |
| 72 | 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 |
|---|---|---|---|
| 20 | 0.1% | 100% | |
| 21 | 0.4% | 99.9% | |
| 22 | 2% | 99.5% | |
| 23 | 3% | 98% | |
| 24 | 6% | 95% | |
| 25 | 15% | 89% | |
| 26 | 22% | 75% | |
| 27 | 16% | 52% | Median |
| 28 | 7% | 36% | |
| 29 | 9% | 29% | |
| 30 | 8% | 20% | |
| 31 | 7% | 12% | Last Result |
| 32 | 4% | 5% | |
| 33 | 1.1% | 1.1% | |
| 34 | 0.1% | 0.1% | |
| 35 | 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 | 1.1% | 100% | |
| 17 | 12% | 98.9% | |
| 18 | 19% | 86% | |
| 19 | 11% | 67% | |
| 20 | 10% | 56% | Median |
| 21 | 17% | 46% | |
| 22 | 17% | 29% | |
| 23 | 7% | 13% | |
| 24 | 3% | 6% | Last Result |
| 25 | 2% | 2% | |
| 26 | 0.7% | 0.9% | |
| 27 | 0.1% | 0.2% | |
| 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 |
|---|---|---|---|
| 3 | 0.4% | 100% | |
| 4 | 4% | 99.6% | |
| 5 | 6% | 96% | |
| 6 | 7% | 90% | Last Result |
| 7 | 4% | 83% | |
| 8 | 4% | 79% | |
| 9 | 9% | 75% | |
| 10 | 65% | 66% | Median |
| 11 | 0.6% | 0.9% | |
| 12 | 0.3% | 0.3% | |
| 13 | 0% | 0.1% | |
| 14 | 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 |
|---|---|---|---|
| 5 | 2% | 100% | Last Result |
| 6 | 21% | 98% | |
| 7 | 11% | 76% | |
| 8 | 42% | 66% | Median |
| 9 | 11% | 24% | |
| 10 | 8% | 12% | |
| 11 | 4% | 5% | |
| 12 | 0.4% | 0.6% | |
| 13 | 0.2% | 0.2% | |
| 14 | 0% | 0% |
Reform UK
For a full overview of the results for this party, see the Reform UK 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 |
|---|---|---|---|---|---|---|---|
| Scottish National Party – Scottish Greens | 69 | 74 | 99.9% | 70–78 | 69–79 | 68–79 | 66–80 |
| Scottish National Party | 63 | 65 | 61% | 62–69 | 61–69 | 61–70 | 60–70 |
| Scottish Conservative & Unionist Party – Scottish Labour – Scottish Liberal Democrats | 60 | 55 | 0.1% | 51–59 | 50–60 | 50–61 | 49–63 |
| Scottish Conservative & Unionist Party – Scottish Labour | 55 | 47 | 0% | 44–51 | 43–52 | 42–54 | 41–55 |
| Scottish Labour – Scottish Greens – Scottish Liberal Democrats | 35 | 36 | 0% | 34–40 | 33–41 | 33–42 | 32–43 |
| Scottish Conservative & Unionist Party – Scottish Liberal Democrats | 36 | 35 | 0% | 32–38 | 31–39 | 30–40 | 29–41 |
| Scottish Labour – Scottish Liberal Democrats | 29 | 28 | 0% | 24–31 | 24–32 | 23–33 | 23–34 |
Scottish National Party – Scottish Greens

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 64 | 0.1% | 100% | |
| 65 | 0.1% | 99.9% | Majority |
| 66 | 0.6% | 99.8% | |
| 67 | 1.2% | 99.2% | |
| 68 | 2% | 98% | |
| 69 | 3% | 96% | Last Result |
| 70 | 6% | 93% | |
| 71 | 7% | 87% | |
| 72 | 9% | 80% | |
| 73 | 12% | 71% | |
| 74 | 12% | 58% | |
| 75 | 19% | 46% | Median |
| 76 | 4% | 27% | |
| 77 | 12% | 23% | |
| 78 | 3% | 11% | |
| 79 | 7% | 8% | |
| 80 | 1.1% | 1.2% | |
| 81 | 0.1% | 0.1% | |
| 82 | 0% | 0% |
Scottish National Party

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 58 | 0% | 100% | |
| 59 | 0.2% | 99.9% | |
| 60 | 2% | 99.8% | |
| 61 | 6% | 98% | |
| 62 | 9% | 92% | |
| 63 | 10% | 83% | Last Result |
| 64 | 12% | 73% | |
| 65 | 24% | 61% | Median, Majority |
| 66 | 5% | 37% | |
| 67 | 15% | 32% | |
| 68 | 4% | 17% | |
| 69 | 10% | 13% | |
| 70 | 3% | 3% | |
| 71 | 0.2% | 0.2% | |
| 72 | 0% | 0% |
Scottish Conservative & Unionist Party – Scottish Labour – Scottish Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 48 | 0.1% | 100% | |
| 49 | 1.1% | 99.9% | |
| 50 | 7% | 98.8% | |
| 51 | 3% | 92% | |
| 52 | 12% | 89% | |
| 53 | 4% | 77% | |
| 54 | 19% | 73% | |
| 55 | 12% | 54% | Median |
| 56 | 12% | 42% | |
| 57 | 9% | 29% | |
| 58 | 7% | 20% | |
| 59 | 6% | 13% | |
| 60 | 3% | 7% | Last Result |
| 61 | 2% | 4% | |
| 62 | 1.2% | 2% | |
| 63 | 0.6% | 0.8% | |
| 64 | 0.1% | 0.2% | |
| 65 | 0.1% | 0.1% | Majority |
| 66 | 0% | 0% |
Scottish Conservative & Unionist Party – Scottish Labour

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 40 | 0.3% | 100% | |
| 41 | 1.2% | 99.7% | |
| 42 | 2% | 98% | |
| 43 | 5% | 96% | |
| 44 | 14% | 91% | |
| 45 | 6% | 77% | |
| 46 | 12% | 71% | |
| 47 | 12% | 58% | Median |
| 48 | 16% | 47% | |
| 49 | 10% | 31% | |
| 50 | 7% | 20% | |
| 51 | 5% | 13% | |
| 52 | 4% | 9% | |
| 53 | 2% | 5% | |
| 54 | 1.4% | 3% | |
| 55 | 0.8% | 1.1% | Last Result |
| 56 | 0.2% | 0.3% | |
| 57 | 0.1% | 0.1% | |
| 58 | 0% | 0% |
Scottish Labour – Scottish Greens – Scottish Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 29 | 0.1% | 100% | |
| 30 | 0.1% | 99.9% | |
| 31 | 0.2% | 99.9% | |
| 32 | 1.1% | 99.7% | |
| 33 | 7% | 98.6% | |
| 34 | 12% | 92% | |
| 35 | 15% | 80% | Last Result |
| 36 | 16% | 65% | |
| 37 | 13% | 49% | |
| 38 | 11% | 36% | Median |
| 39 | 10% | 25% | |
| 40 | 6% | 15% | |
| 41 | 4% | 9% | |
| 42 | 3% | 5% | |
| 43 | 1.4% | 2% | |
| 44 | 0.4% | 0.5% | |
| 45 | 0% | 0% |
Scottish Conservative & Unionist Party – Scottish Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 27 | 0.1% | 100% | |
| 28 | 0.2% | 99.9% | |
| 29 | 0.8% | 99.7% | |
| 30 | 2% | 98.9% | |
| 31 | 5% | 97% | |
| 32 | 8% | 92% | |
| 33 | 11% | 85% | |
| 34 | 21% | 74% | |
| 35 | 14% | 53% | Median |
| 36 | 12% | 39% | Last Result |
| 37 | 11% | 27% | |
| 38 | 6% | 15% | |
| 39 | 5% | 9% | |
| 40 | 3% | 4% | |
| 41 | 0.9% | 1.1% | |
| 42 | 0.1% | 0.2% | |
| 43 | 0% | 0.1% | |
| 44 | 0% | 0% |
Scottish Labour – Scottish Liberal Democrats

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 22 | 0.4% | 100% | |
| 23 | 3% | 99.6% | |
| 24 | 6% | 96% | |
| 25 | 11% | 90% | |
| 26 | 12% | 78% | |
| 27 | 10% | 66% | |
| 28 | 13% | 56% | Median |
| 29 | 14% | 43% | Last Result |
| 30 | 13% | 28% | |
| 31 | 7% | 15% | |
| 32 | 4% | 8% | |
| 33 | 3% | 4% | |
| 34 | 1.0% | 1.3% | |
| 35 | 0.3% | 0.3% | |
| 36 | 0.1% | 0.1% | |
| 37 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: BMG Research
- Commissioner(s): Herald Scotland
- Fieldwork period: 16–19 March 2021
Calculations
- Sample size: 1021
- Simulations done: 1,048,576
- Error estimate: 0.66%