Opinion Poll by Dedicated for RTBf–La Libre Belgique, 9–14 September 2015
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 | 
|---|---|---|---|---|---|---|
| N-VA | 31.9% | 27.5% | 25.5–29.7% | 24.9–30.3% | 24.4–30.8% | 23.5–31.9% | 
| sp.a | 14.0% | 16.2% | 14.6–18.1% | 14.2–18.6% | 13.8–19.1% | 13.0–20.0% | 
| CD&V | 20.5% | 16.0% | 14.4–17.8% | 13.9–18.3% | 13.5–18.8% | 12.8–19.7% | 
| Open Vld | 14.1% | 14.4% | 12.8–16.1% | 12.4–16.6% | 12.0–17.1% | 11.3–18.0% | 
| Groen | 8.7% | 10.1% | 8.8–11.6% | 8.4–12.1% | 8.1–12.5% | 7.5–13.2% | 
| Vlaams Belang | 5.9% | 9.7% | 8.4–11.2% | 8.0–11.6% | 7.7–12.0% | 7.2–12.8% | 
| PVDA | 2.5% | 3.8% | 3.0–4.8% | 2.8–5.1% | 2.6–5.4% | 2.3–5.9% | 
| Piratenpartij | 0.6% | 1.2% | 0.8–1.9% | 0.7–2.1% | 0.6–2.3% | 0.5–2.7% | 
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 | 
|---|---|---|---|---|---|---|
| N-VA | 43 | 37 | 34–40 | 33–41 | 32–42 | 31–43 | 
| sp.a | 18 | 21 | 19–24 | 19–25 | 18–26 | 17–27 | 
| CD&V | 27 | 20 | 18–22 | 17–23 | 16–25 | 15–26 | 
| Open Vld | 19 | 19 | 18–22 | 16–23 | 15–23 | 13–25 | 
| Groen | 10 | 14 | 10–15 | 10–16 | 10–17 | 9–17 | 
| Vlaams Belang | 6 | 11 | 8–13 | 8–14 | 8–15 | 8–16 | 
| PVDA | 0 | 2 | 0–2 | 0–3 | 0–4 | 0–5 | 
| Piratenpartij | 0 | 0 | 0 | 0 | 0 | 0 | 
N-VA
For a full overview of the results for this party, see the N-VA page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 30 | 0.4% | 100% | |
| 31 | 0.5% | 99.6% | |
| 32 | 2% | 99.1% | |
| 33 | 4% | 97% | |
| 34 | 7% | 94% | |
| 35 | 7% | 87% | |
| 36 | 17% | 80% | |
| 37 | 27% | 63% | Median | 
| 38 | 14% | 36% | |
| 39 | 9% | 22% | |
| 40 | 7% | 13% | |
| 41 | 3% | 6% | |
| 42 | 2% | 3% | |
| 43 | 1.0% | 1.3% | Last Result | 
| 44 | 0.2% | 0.3% | |
| 45 | 0.1% | 0.1% | |
| 46 | 0% | 0% | 
sp.a
For a full overview of the results for this party, see the sp.a page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 14 | 0.1% | 100% | |
| 15 | 0.1% | 99.9% | |
| 16 | 0.2% | 99.8% | |
| 17 | 0.6% | 99.6% | |
| 18 | 2% | 98.9% | Last Result | 
| 19 | 28% | 97% | |
| 20 | 12% | 69% | |
| 21 | 13% | 57% | Median | 
| 22 | 8% | 44% | |
| 23 | 14% | 36% | |
| 24 | 16% | 22% | |
| 25 | 3% | 6% | |
| 26 | 1.2% | 3% | |
| 27 | 1.2% | 2% | |
| 28 | 0.4% | 0.5% | |
| 29 | 0.1% | 0.1% | |
| 30 | 0% | 0% | 
CD&V
For a full overview of the results for this party, see the CD&V page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 14 | 0.1% | 100% | |
| 15 | 2% | 99.9% | |
| 16 | 3% | 98% | |
| 17 | 4% | 95% | |
| 18 | 6% | 91% | |
| 19 | 17% | 85% | |
| 20 | 36% | 68% | Median | 
| 21 | 20% | 33% | |
| 22 | 5% | 13% | |
| 23 | 3% | 8% | |
| 24 | 2% | 5% | |
| 25 | 2% | 3% | |
| 26 | 0.6% | 1.1% | |
| 27 | 0.5% | 0.5% | Last Result | 
| 28 | 0% | 0% | 
Open Vld
For a full overview of the results for this party, see the Open Vld page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 13 | 0.9% | 100% | |
| 14 | 1.3% | 99.0% | |
| 15 | 2% | 98% | |
| 16 | 2% | 96% | |
| 17 | 4% | 94% | |
| 18 | 8% | 91% | |
| 19 | 41% | 82% | Last Result, Median | 
| 20 | 25% | 41% | |
| 21 | 6% | 16% | |
| 22 | 5% | 11% | |
| 23 | 4% | 6% | |
| 24 | 0.9% | 2% | |
| 25 | 0.6% | 0.7% | |
| 26 | 0.1% | 0.1% | |
| 27 | 0% | 0% | 
Groen
For a full overview of the results for this party, see the Groen page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 7 | 0.1% | 100% | |
| 8 | 0.1% | 99.9% | |
| 9 | 0.3% | 99.7% | |
| 10 | 17% | 99.4% | Last Result | 
| 11 | 4% | 83% | |
| 12 | 4% | 79% | |
| 13 | 9% | 75% | |
| 14 | 49% | 66% | Median | 
| 15 | 10% | 17% | |
| 16 | 4% | 7% | |
| 17 | 2% | 3% | |
| 18 | 0.1% | 0.2% | |
| 19 | 0.1% | 0.1% | |
| 20 | 0% | 0% | 
Vlaams Belang
For a full overview of the results for this party, see the Vlaams Belang page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 6 | 0.1% | 100% | Last Result | 
| 7 | 0.1% | 99.9% | |
| 8 | 18% | 99.8% | |
| 9 | 6% | 82% | |
| 10 | 7% | 76% | |
| 11 | 33% | 68% | Median | 
| 12 | 20% | 35% | |
| 13 | 8% | 16% | |
| 14 | 4% | 8% | |
| 15 | 2% | 4% | |
| 16 | 2% | 2% | |
| 17 | 0.1% | 0.2% | |
| 18 | 0% | 0.1% | |
| 19 | 0% | 0% | 
PVDA
For a full overview of the results for this party, see the PVDA page.

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 0 | 18% | 100% | Last Result | 
| 1 | 14% | 82% | |
| 2 | 61% | 68% | Median | 
| 3 | 4% | 7% | |
| 4 | 1.4% | 3% | |
| 5 | 1.4% | 1.4% | |
| 6 | 0% | 0% | 
Piratenpartij
For a full overview of the results for this party, see the Piratenpartij 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 | 
|---|---|---|---|---|---|---|---|
| N-VA – sp.a – CD&V | 88 | 78 | 100% | 75–82 | 74–83 | 73–84 | 72–86 | 
| N-VA – CD&V – Open Vld | 89 | 76 | 100% | 73–80 | 72–81 | 71–82 | 69–84 | 
| sp.a – CD&V – Open Vld – Groen | 74 | 74 | 100% | 71–77 | 70–78 | 69–80 | 67–81 | 
| sp.a – CD&V – Open Vld | 64 | 61 | 27% | 57–64 | 56–66 | 55–66 | 54–68 | 
| N-VA – CD&V | 70 | 57 | 2% | 54–60 | 53–61 | 52–62 | 50–64 | 
| sp.a – CD&V – Groen – PVDA | 55 | 56 | 1.4% | 53–59 | 52–61 | 51–62 | 49–64 | 
| sp.a – CD&V – Groen | 55 | 54 | 0.3% | 52–58 | 51–59 | 50–60 | 48–62 | 
| sp.a – Open Vld – Groen | 47 | 54 | 0.1% | 51–57 | 49–58 | 48–59 | 47–61 | 
| N-VA – Vlaams Belang | 49 | 48 | 0% | 45–51 | 44–52 | 43–53 | 41–55 | 
| sp.a – CD&V | 45 | 41 | 0% | 38–45 | 38–46 | 37–47 | 35–48 | 
| sp.a – Open Vld | 37 | 41 | 0% | 38–44 | 37–45 | 36–46 | 34–48 | 
| CD&V – Open Vld | 46 | 39 | 0% | 36–42 | 35–44 | 34–45 | 32–46 | 
N-VA – sp.a – CD&V

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 70 | 0.1% | 100% | |
| 71 | 0.2% | 99.9% | |
| 72 | 0.8% | 99.7% | |
| 73 | 2% | 98.9% | |
| 74 | 4% | 97% | |
| 75 | 7% | 93% | |
| 76 | 15% | 87% | |
| 77 | 12% | 72% | |
| 78 | 14% | 59% | Median | 
| 79 | 11% | 45% | |
| 80 | 9% | 34% | |
| 81 | 11% | 25% | |
| 82 | 7% | 14% | |
| 83 | 3% | 7% | |
| 84 | 3% | 4% | |
| 85 | 0.5% | 1.0% | |
| 86 | 0.3% | 0.5% | |
| 87 | 0.2% | 0.2% | |
| 88 | 0% | 0% | Last Result | 
N-VA – CD&V – Open Vld

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 67 | 0.1% | 100% | |
| 68 | 0.2% | 99.9% | |
| 69 | 0.6% | 99.6% | |
| 70 | 1.2% | 99.0% | |
| 71 | 2% | 98% | |
| 72 | 4% | 96% | |
| 73 | 5% | 92% | |
| 74 | 8% | 87% | |
| 75 | 15% | 79% | |
| 76 | 15% | 63% | Median | 
| 77 | 18% | 48% | |
| 78 | 9% | 30% | |
| 79 | 9% | 21% | |
| 80 | 6% | 13% | |
| 81 | 3% | 7% | |
| 82 | 2% | 4% | |
| 83 | 0.6% | 1.5% | |
| 84 | 0.7% | 0.9% | |
| 85 | 0.1% | 0.2% | |
| 86 | 0% | 0.1% | |
| 87 | 0.1% | 0.1% | |
| 88 | 0% | 0% | |
| 89 | 0% | 0% | Last Result | 
sp.a – CD&V – Open Vld – Groen

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 65 | 0.1% | 100% | |
| 66 | 0.2% | 99.9% | |
| 67 | 0.7% | 99.7% | |
| 68 | 1.1% | 98.9% | |
| 69 | 2% | 98% | |
| 70 | 4% | 96% | |
| 71 | 5% | 92% | |
| 72 | 14% | 86% | |
| 73 | 17% | 72% | |
| 74 | 14% | 55% | Last Result, Median | 
| 75 | 13% | 41% | |
| 76 | 12% | 28% | |
| 77 | 8% | 17% | |
| 78 | 4% | 9% | |
| 79 | 2% | 5% | |
| 80 | 2% | 3% | |
| 81 | 0.6% | 0.9% | |
| 82 | 0.2% | 0.3% | |
| 83 | 0.1% | 0.1% | |
| 84 | 0% | 0% | 
sp.a – CD&V – Open Vld

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 51 | 0% | 100% | |
| 52 | 0.1% | 99.9% | |
| 53 | 0.3% | 99.9% | |
| 54 | 0.7% | 99.6% | |
| 55 | 1.4% | 98.9% | |
| 56 | 3% | 97% | |
| 57 | 5% | 94% | |
| 58 | 13% | 89% | |
| 59 | 12% | 76% | |
| 60 | 12% | 64% | Median | 
| 61 | 12% | 52% | |
| 62 | 14% | 40% | |
| 63 | 11% | 27% | Majority | 
| 64 | 7% | 16% | Last Result | 
| 65 | 4% | 9% | |
| 66 | 3% | 5% | |
| 67 | 0.9% | 2% | |
| 68 | 0.6% | 0.9% | |
| 69 | 0.2% | 0.3% | |
| 70 | 0.1% | 0.1% | |
| 71 | 0% | 0.1% | |
| 72 | 0% | 0% | 
N-VA – CD&V

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 49 | 0.2% | 100% | |
| 50 | 0.4% | 99.7% | |
| 51 | 0.8% | 99.3% | |
| 52 | 3% | 98.5% | |
| 53 | 5% | 96% | |
| 54 | 7% | 91% | |
| 55 | 10% | 85% | |
| 56 | 14% | 74% | |
| 57 | 23% | 60% | Median | 
| 58 | 12% | 38% | |
| 59 | 9% | 26% | |
| 60 | 9% | 16% | |
| 61 | 3% | 8% | |
| 62 | 2% | 5% | |
| 63 | 1.4% | 2% | Majority | 
| 64 | 0.7% | 1.0% | |
| 65 | 0.2% | 0.3% | |
| 66 | 0.1% | 0.1% | |
| 67 | 0.1% | 0.1% | |
| 68 | 0% | 0% | |
| 69 | 0% | 0% | |
| 70 | 0% | 0% | Last Result | 
sp.a – CD&V – Groen – PVDA

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 47 | 0.1% | 100% | |
| 48 | 0.2% | 99.9% | |
| 49 | 0.3% | 99.7% | |
| 50 | 0.9% | 99.5% | |
| 51 | 1.5% | 98.5% | |
| 52 | 4% | 97% | |
| 53 | 6% | 93% | |
| 54 | 10% | 87% | |
| 55 | 17% | 77% | Last Result | 
| 56 | 16% | 60% | |
| 57 | 12% | 43% | Median | 
| 58 | 12% | 31% | |
| 59 | 9% | 19% | |
| 60 | 4% | 9% | |
| 61 | 2% | 5% | |
| 62 | 2% | 3% | |
| 63 | 0.7% | 1.4% | Majority | 
| 64 | 0.5% | 0.7% | |
| 65 | 0.2% | 0.2% | |
| 66 | 0% | 0.1% | |
| 67 | 0% | 0% | 
sp.a – CD&V – Groen

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 45 | 0% | 100% | |
| 46 | 0.1% | 99.9% | |
| 47 | 0.2% | 99.8% | |
| 48 | 0.7% | 99.6% | |
| 49 | 1.1% | 98.9% | |
| 50 | 2% | 98% | |
| 51 | 3% | 96% | |
| 52 | 8% | 92% | |
| 53 | 19% | 84% | |
| 54 | 18% | 65% | |
| 55 | 14% | 47% | Last Result, Median | 
| 56 | 11% | 33% | |
| 57 | 9% | 22% | |
| 58 | 6% | 13% | |
| 59 | 3% | 8% | |
| 60 | 2% | 4% | |
| 61 | 0.9% | 2% | |
| 62 | 0.6% | 0.9% | |
| 63 | 0.2% | 0.3% | Majority | 
| 64 | 0.1% | 0.1% | |
| 65 | 0% | 0% | 
sp.a – Open Vld – Groen

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 45 | 0.1% | 100% | |
| 46 | 0.2% | 99.9% | |
| 47 | 0.6% | 99.6% | Last Result | 
| 48 | 2% | 99.0% | |
| 49 | 2% | 97% | |
| 50 | 4% | 95% | |
| 51 | 4% | 91% | |
| 52 | 15% | 87% | |
| 53 | 16% | 71% | |
| 54 | 14% | 55% | Median | 
| 55 | 10% | 40% | |
| 56 | 10% | 30% | |
| 57 | 12% | 21% | |
| 58 | 5% | 9% | |
| 59 | 2% | 4% | |
| 60 | 1.4% | 2% | |
| 61 | 0.4% | 0.6% | |
| 62 | 0.2% | 0.3% | |
| 63 | 0.1% | 0.1% | Majority | 
| 64 | 0% | 0% | 
N-VA – Vlaams Belang

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 39 | 0% | 100% | |
| 40 | 0.2% | 99.9% | |
| 41 | 0.4% | 99.8% | |
| 42 | 1.4% | 99.4% | |
| 43 | 2% | 98% | |
| 44 | 3% | 96% | |
| 45 | 8% | 93% | |
| 46 | 12% | 84% | |
| 47 | 15% | 72% | |
| 48 | 16% | 57% | Median | 
| 49 | 18% | 41% | Last Result | 
| 50 | 9% | 24% | |
| 51 | 7% | 15% | |
| 52 | 4% | 8% | |
| 53 | 2% | 4% | |
| 54 | 1.0% | 2% | |
| 55 | 0.4% | 0.6% | |
| 56 | 0.1% | 0.2% | |
| 57 | 0% | 0.1% | |
| 58 | 0% | 0% | 
sp.a – CD&V

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 34 | 0.2% | 100% | |
| 35 | 0.9% | 99.7% | |
| 36 | 1.1% | 98.8% | |
| 37 | 2% | 98% | |
| 38 | 7% | 95% | |
| 39 | 18% | 89% | |
| 40 | 11% | 71% | |
| 41 | 13% | 60% | Median | 
| 42 | 15% | 47% | |
| 43 | 9% | 32% | |
| 44 | 10% | 23% | |
| 45 | 7% | 12% | Last Result | 
| 46 | 3% | 5% | |
| 47 | 2% | 3% | |
| 48 | 0.6% | 1.1% | |
| 49 | 0.3% | 0.4% | |
| 50 | 0.1% | 0.2% | |
| 51 | 0.1% | 0.1% | |
| 52 | 0% | 0% | 
sp.a – Open Vld

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 32 | 0.2% | 100% | |
| 33 | 0.2% | 99.8% | |
| 34 | 0.6% | 99.6% | |
| 35 | 0.7% | 99.0% | |
| 36 | 2% | 98% | |
| 37 | 3% | 96% | Last Result | 
| 38 | 17% | 93% | |
| 39 | 13% | 76% | |
| 40 | 12% | 63% | Median | 
| 41 | 12% | 51% | |
| 42 | 10% | 40% | |
| 43 | 17% | 30% | |
| 44 | 7% | 13% | |
| 45 | 3% | 7% | |
| 46 | 2% | 4% | |
| 47 | 1.1% | 2% | |
| 48 | 0.4% | 0.7% | |
| 49 | 0.2% | 0.3% | |
| 50 | 0% | 0.1% | |
| 51 | 0% | 0% | 
CD&V – Open Vld

| Number of Seats | Probability | Accumulated | Special Marks | 
|---|---|---|---|
| 30 | 0.1% | 100% | |
| 31 | 0.1% | 99.9% | |
| 32 | 0.4% | 99.8% | |
| 33 | 0.7% | 99.4% | |
| 34 | 2% | 98.8% | |
| 35 | 3% | 97% | |
| 36 | 5% | 94% | |
| 37 | 6% | 89% | |
| 38 | 12% | 82% | |
| 39 | 24% | 71% | Median | 
| 40 | 20% | 46% | |
| 41 | 8% | 26% | |
| 42 | 9% | 17% | |
| 43 | 3% | 9% | |
| 44 | 3% | 5% | |
| 45 | 2% | 3% | |
| 46 | 0.7% | 1.0% | Last Result | 
| 47 | 0.2% | 0.3% | |
| 48 | 0.1% | 0.1% | |
| 49 | 0% | 0.1% | |
| 50 | 0% | 0% | 
Technical Information
Opinion Poll
- Polling firm: Dedicated
 - Commissioner(s): RTBf–La Libre Belgique
 - Fieldwork period: 9–14 September 2015
 
Calculations
- Sample size: 745
 - Simulations done: 4,194,304
 - Error estimate: 1.08%