Opinion Poll by Ipsos for Het Laatste Nieuws, Le Soir, RTL TVi and VTM, 8–15 September 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% 28.2% 26.6–29.9% 26.2–30.4% 25.8–30.8% 25.0–31.7%
Parti du Travail de Belgique (GUE/NGL) 0.0% 20.0% 18.6–21.6% 18.2–22.0% 17.8–22.4% 17.2–23.1%
Mouvement Réformateur (RE) 0.0% 19.8% 18.4–21.3% 18.0–21.7% 17.6–22.1% 16.9–22.9%
Les Engagés (RE) 0.0% 16.4% 15.1–17.8% 14.7–18.2% 14.4–18.6% 13.8–19.3%
Ecolo (Greens/EFA) 0.0% 9.9% 8.9–11.1% 8.6–11.4% 8.3–11.7% 7.8–12.3%
DéFI (*) 0.0% 3.0% 2.4–3.7% 2.3–3.9% 2.2–4.1% 1.9–4.5%
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 3 2–3 2–3 2–3 2–3
Parti du Travail de Belgique (GUE/NGL) 0 2 1–2 1–2 1–2 1–2
Mouvement Réformateur (RE) 0 2 1–2 1–2 1–2 1–2
Les Engagés (RE) 0 1 1 1 1–2 1–2
Ecolo (Greens/EFA) 0 1 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 48% 100%  
3 52% 52% Median
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 13% 100%  
2 87% 87% Median
3 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 18% 100%  
2 82% 82% 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 97% 100% Median
2 3% 3%  
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 25% 100% Last Result
1 75% 75% Median
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% 2–3 2–3 2–3 2–4
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% 1–2 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 16% 100%  
3 82% 84% Median
4 2% 2%  
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 48% 100%  
3 52% 52% 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 13% 100%  
2 87% 87% 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