Opinion Poll by Ipsos for Het Laatste Nieuws, Le Soir, RTL TVi and VTM, 1–9 December 2025

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% 28.1% 26.5–29.8% 26.0–30.3% 25.6–30.7% 24.9–31.5%
Mouvement Réformateur (RE) 0.0% 21.2% 19.7–22.8% 19.3–23.2% 19.0–23.6% 18.3–24.4%
Parti du Travail de Belgique (GUE/NGL) 0.0% 20.5% 19.1–22.1% 18.7–22.5% 18.3–22.9% 17.7–23.7%
Les Engagés (RE) 0.0% 16.3% 15.0–17.7% 14.6–18.1% 14.3–18.5% 13.7–19.2%
Ecolo (Greens/EFA) 0.0% 8.1% 7.1–9.2% 6.9–9.5% 6.6–9.8% 6.2–10.3%
DéFI (*) 0.0% 3.1% 2.5–3.8% 2.4–4.0% 2.2–4.2% 2.0–4.6%
Chez Nous (PfE) 0.0% 2.5% 2.0–3.2% 1.9–3.4% 1.8–3.6% 1.5–3.9%

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 3 2–3 2–3 2–3 2–3
Mouvement Réformateur (RE) 0 2 2 2 2 2
Parti du Travail de Belgique (GUE/NGL) 0 2 2 2 2 1–2
Les Engagés (RE) 0 1 1 1–2 1–2 1–2
Ecolo (Greens/EFA) 0 0 0 0–1 0–1 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 13% 100%  
3 87% 87% Median
4 0% 0%  

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 0.4% 100%  
2 99.5% 99.6% Median
3 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 1.4% 100%  
2 98.6% 98.6% Median
3 0% 0%  

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 95% 100% Median
2 5% 5%  
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 90% 100% Last Result, Median
1 10% 10%  
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 3 0% 3 3–4 3–4 3–4
Parti Socialiste (S&D) 0 3 0% 2–3 2–3 2–3 2–3
Parti du Travail de Belgique (GUE/NGL) 0 2 0% 2 2 2 1–2
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 0.3% 100%  
3 94% 99.7% Median
4 5% 5%  
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 13% 100%  
3 87% 87% Median
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 1.4% 100%  
2 98.6% 98.6% Median
3 0% 0%  

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