Opinion Poll by Bpact and Universiteit Antwerpen & ULB for De Standaard, RTBF and VRT, 9 March–5 April 2026

Areas included: Brussels, Wallonia

Voting Intentions | Seats | Coalitions | Technical Information

Voting Intentions

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Confidence Intervals

Party Last Result Poll Result 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Parti Socialiste (S&D) 0.0% 24.2% 23.1–25.4% 22.8–25.7% 22.5–26.0% 22.0–26.6%
Parti du Travail de Belgique (GUE/NGL) 0.0% 20.8% 19.7–21.9% 19.4–22.3% 19.2–22.5% 18.7–23.1%
Mouvement Réformateur (RE) 0.0% 20.1% 19.0–21.2% 18.7–21.5% 18.5–21.8% 18.0–22.3%
Les Engagés (RE) 0.0% 17.9% 16.9–18.9% 16.6–19.3% 16.3–19.5% 15.9–20.0%
Ecolo (Greens/EFA) 0.0% 7.2% 6.5–8.0% 6.4–8.2% 6.2–8.4% 5.9–8.7%
DéFI (*) 0.0% 3.4% 2.9–3.9% 2.8–4.1% 2.7–4.2% 2.5–4.5%
Chez Nous (PfE) 0.0% 2.8% 2.4–3.4% 2.3–3.5% 2.2–3.6% 2.0–3.9%

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

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Confidence Intervals

Party Last Result Median 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Parti Socialiste (S&D) 0 2 2 2–3 2–3 2–3
Parti du Travail de Belgique (GUE/NGL) 0 2 2 2 2 2
Mouvement Réformateur (RE) 0 2 2 2 2 2
Les Engagés (RE) 0 2 2 1–2 1–2 1–2
Ecolo (Greens/EFA) 0 0 0 0 0 0–1
DéFI (*) 0 0 0 0 0 0
Chez Nous (PfE) 0 0 0 0 0 0

Parti Socialiste (S&D)

For a full overview of the results for this party, see the Parti Socialiste (S&D) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 94% 100% Median
3 6% 6%  
4 0% 0%  

Parti du Travail de Belgique (GUE/NGL)

For a full overview of the results for this party, see the Parti du Travail de Belgique (GUE/NGL) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 100% 100% Median

Mouvement Réformateur (RE)

For a full overview of the results for this party, see the Mouvement Réformateur (RE) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 100% 100% Median

Les Engagés (RE)

For a full overview of the results for this party, see the Les Engagés (RE) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 7% 100%  
2 93% 93% Median
3 0% 0%  

Ecolo (Greens/EFA)

For a full overview of the results for this party, see the Ecolo (Greens/EFA) page.

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Number of Seats Probability Accumulated Special Marks
0 99.1% 100% Last Result, Median
1 0.9% 0.9%  
2 0% 0%  

DéFI (*)

For a full overview of the results for this party, see the DéFI (*) page.

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Number of Seats Probability Accumulated Special Marks
0 100% 100% Last Result, Median

Chez Nous (PfE)

For a full overview of the results for this party, see the Chez Nous (PfE) page.

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Number of Seats Probability Accumulated Special Marks
0 100% 100% Last Result, Median

Coalitions

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Confidence Intervals

Coalition Last Result Median Majority? 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Mouvement Réformateur (RE) – Les Engagés (RE) 0 4 0% 4 3–4 3–4 3–4
Parti Socialiste (S&D) 0 2 0% 2 2–3 2–3 2–3
Parti du Travail de Belgique (GUE/NGL) 0 2 0% 2 2 2 2
Chez Nous (PfE) 0 0 0% 0 0 0 0

Mouvement Réformateur (RE) – Les Engagés (RE)

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 0% 100%  
3 7% 100%  
4 93% 93% Median
5 0% 0% Majority

Parti Socialiste (S&D)

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 94% 100% Median
3 6% 6%  
4 0% 0%  

Parti du Travail de Belgique (GUE/NGL)

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 100% 100% Median

Chez Nous (PfE)

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Number of Seats Probability Accumulated Special Marks
0 100% 100% Last Result, Median

Technical Information

Opinion Poll

Calculations