Opinion Poll by Ipsos for Het Laatste Nieuws, Le Soir, RTL TVi and VTM, 16–23 September 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% 26.1% 24.5–27.7% 24.0–28.2% 23.7–28.6% 22.9–29.4%
Mouvement Réformateur (RE) 0.0% 23.2% 21.6–24.8% 21.2–25.2% 20.9–25.6% 20.1–26.4%
Parti du Travail de Belgique (GUE/NGL) 0.0% 19.3% 17.8–20.8% 17.5–21.2% 17.1–21.6% 16.5–22.3%
Les Engagés (RE) 0.0% 17.0% 15.7–18.5% 15.3–18.9% 15.0–19.3% 14.4–20.0%
Ecolo (Greens/EFA) 0.0% 8.7% 7.7–9.8% 7.5–10.2% 7.2–10.5% 6.8–11.0%
DéFI (*) 0.0% 2.7% 2.2–3.4% 2.1–3.6% 2.0–3.8% 1.7–4.2%
Chez Nous (PfE) 0.0% 2.5% 2.0–3.2% 1.9–3.4% 1.8–3.5% 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 2 2–3 2–3 2–3 2–3
Mouvement Réformateur (RE) 0 2 2 2 2 2–3
Parti du Travail de Belgique (GUE/NGL) 0 2 2 1–2 1–2 1–2
Les Engagés (RE) 0 1 1–2 1–2 1–2 1–2
Ecolo (Greens/EFA) 0 0 0–1 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 63% 100% Median
3 37% 37%  
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% 100%  
2 98% 100% Median
3 2% 2%  
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 9% 100%  
2 91% 91% 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 76% 100% Median
2 24% 24%  
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 53% 100% Last Result, Median
1 47% 47%  
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 0.1% 3–4 3–4 3–4 3–4
Parti Socialiste (S&D) 0 2 0% 2–3 2–3 2–3 2–3
Parti du Travail de Belgique (GUE/NGL) 0 2 0% 2 1–2 1–2 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% 100%  
3 74% 100% Median
4 25% 26%  
5 0.1% 0.1% Majority
6 0% 0%  

Parti Socialiste (S&D)

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 63% 100% Median
3 37% 37%  
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 9% 100%  
2 91% 91% 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