Poll Average

Voting Intentions | Seats | Coalitions | Technical Information

Summary

The table below lists the polls on which the average is based. They are the most recent polls (less than 90 days old) registered and analyzed so far.

Period Polling firm/Commissioner(s) MR PS LE PTB ECOLO CN DÉFI CC RMC
9 June 2024 General Election 29.6%
26
23.2%
19
20.6%
17
12.1%
8
7.0%
5
2.8%
0
2.7%
0
1.6%
0
0.3%
0
N/A Poll Average 21–27%
17–22
24–29%
18–24
16–21%
12–17
16–21%
13–16
6–10%
2–7
2–4%
0–2
2–4%
0
N/A
N/A
N/A
N/A
16–23 September 2025 Ipsos
Het Laatste Nieuws, Le Soir, RTL TVi and VTM
21–27%
17–22
24–29%
18–24
16–21%
12–17
16–21%
13–16
6–10%
2–7
2–4%
0–2
2–4%
0
N/A
N/A
N/A
N/A
9 June 2024 General Election 29.6%
26
23.2%
19
20.6%
17
12.1%
8
7.0%
5
2.8%
0
2.7%
0
1.6%
0
0.3%
0

Only polls for which at least the sample size has been published are included in the table above.

Legend:

Voting Intentions

Graph with voting intentions not yet produced

Confidence Intervals

Party Last Result Median 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Mouvement Réformateur 29.6% 23.9% 22.2–25.7% 21.8–26.2% 21.4–26.6% 20.6–27.5%
Parti Socialiste 23.2% 26.2% 24.5–28.0% 24.0–28.6% 23.6–29.0% 22.8–29.9%
Les Engagés 20.6% 18.2% 16.7–19.8% 16.3–20.3% 15.9–20.7% 15.2–21.5%
Parti du Travail de Belgique 12.1% 18.4% 16.9–20.1% 16.5–20.5% 16.1–20.9% 15.4–21.7%
Ecolo 7.0% 7.8% 6.7–8.9% 6.4–9.2% 6.2–9.5% 5.8–10.1%
Chez Nous 2.8% 2.9% 2.2–3.6% 2.1–3.8% 1.9–4.0% 1.7–4.4%
DéFI 2.7% 2.8% 2.2–3.5% 2.0–3.7% 1.9–3.9% 1.6–4.3%
Collectif Citoyen 1.6% N/A N/A N/A N/A N/A
Reprise en Main Citoyenne 0.3% N/A N/A N/A N/A N/A

Mouvement Réformateur

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

Voting Intentions Probability Accumulated Special Marks
18.5–19.5% 0% 100%  
19.5–20.5% 0.4% 100%  
20.5–21.5% 3% 99.5%  
21.5–22.5% 12% 96%  
22.5–23.5% 24% 85%  
23.5–24.5% 29% 61% Median
24.5–25.5% 20% 32%  
25.5–26.5% 9% 12%  
26.5–27.5% 2% 3%  
27.5–28.5% 0.4% 0.5%  
28.5–29.5% 0% 0%  
29.5–30.5% 0% 0% Last Result

Parti Socialiste

For a full overview of the results for this party, see the Parti Socialiste page.

Voting Intentions Probability Accumulated Special Marks
20.5–21.5% 0% 100%  
21.5–22.5% 0.3% 100%  
22.5–23.5% 2% 99.7% Last Result
23.5–24.5% 9% 98%  
24.5–25.5% 20% 89%  
25.5–26.5% 28% 69% Median
26.5–27.5% 24% 41%  
27.5–28.5% 12% 17%  
28.5–29.5% 4% 5%  
29.5–30.5% 0.9% 1.0%  
30.5–31.5% 0.1% 0.1%  
31.5–32.5% 0% 0%  

Les Engagés

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

Voting Intentions Probability Accumulated Special Marks
13.5–14.5% 0.1% 100%  
14.5–15.5% 1.0% 99.9%  
15.5–16.5% 7% 98.9%  
16.5–17.5% 20% 92%  
17.5–18.5% 32% 72% Median
18.5–19.5% 26% 40%  
19.5–20.5% 11% 15%  
20.5–21.5% 3% 3% Last Result
21.5–22.5% 0.4% 0.5%  
22.5–23.5% 0% 0%  

Parti du Travail de Belgique

For a full overview of the results for this party, see the Parti du Travail de Belgique page.

Voting Intentions Probability Accumulated Special Marks
11.5–12.5% 0% 100% Last Result
12.5–13.5% 0% 100%  
13.5–14.5% 0% 100%  
14.5–15.5% 0.6% 100%  
15.5–16.5% 5% 99.3%  
16.5–17.5% 17% 94%  
17.5–18.5% 31% 77% Median
18.5–19.5% 28% 47%  
19.5–20.5% 14% 19%  
20.5–21.5% 4% 5%  
21.5–22.5% 0.7% 0.7%  
22.5–23.5% 0.1% 0.1%  
23.5–24.5% 0% 0%  

Ecolo

For a full overview of the results for this party, see the Ecolo page.

Voting Intentions Probability Accumulated Special Marks
3.5–4.5% 0% 100%  
4.5–5.5% 0.2% 100%  
5.5–6.5% 7% 99.8%  
6.5–7.5% 33% 93% Last Result
7.5–8.5% 42% 60% Median
8.5–9.5% 16% 18%  
9.5–10.5% 2% 2%  
10.5–11.5% 0.1% 0.1%  
11.5–12.5% 0% 0%  

Chez Nous

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

Voting Intentions Probability Accumulated Special Marks
0.5–1.5% 0.1% 100%  
1.5–2.5% 26% 99.9%  
2.5–3.5% 62% 73% Last Result, Median
3.5–4.5% 11% 11%  
4.5–5.5% 0.3% 0.3%  
5.5–6.5% 0% 0%  

DéFI

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

Voting Intentions Probability Accumulated Special Marks
0.0–0.5% 0% 100%  
0.5–1.5% 0.3% 100%  
1.5–2.5% 33% 99.7%  
2.5–3.5% 59% 67% Last Result, Median
3.5–4.5% 8% 8%  
4.5–5.5% 0.2% 0.2%  
5.5–6.5% 0% 0%  

Seats

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Graph with seating plan not yet produced

Confidence Intervals

Party Last Result Median 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Mouvement Réformateur 26 20 18–21 17–22 17–22 17–23
Parti Socialiste 19 21 19–23 19–23 18–24 18–25
Les Engagés 17 15 13–15 13–16 12–17 12–18
Parti du Travail de Belgique 8 14 14–16 13–16 13–16 11–17
Ecolo 5 5 3–5 2–6 2–7 1–7
Chez Nous 0 0 0–2 0–2 0–2 0–3
DéFI 0 0 0 0 0 0
Collectif Citoyen 0 N/A N/A N/A N/A N/A
Reprise en Main Citoyenne 0 N/A N/A N/A N/A N/A

Mouvement Réformateur

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
16 0.1% 100%  
17 5% 99.9%  
18 14% 95%  
19 19% 81%  
20 44% 62% Median
21 13% 18%  
22 4% 5%  
23 1.1% 1.3%  
24 0.2% 0.2%  
25 0% 0%  
26 0% 0% Last Result

Parti Socialiste

For a full overview of the results for this party, see the Parti Socialiste page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
17 0.2% 100%  
18 2% 99.8%  
19 11% 97% Last Result
20 23% 86%  
21 15% 63% Median
22 21% 48%  
23 23% 27%  
24 3% 4%  
25 1.1% 1.2%  
26 0.1% 0.1%  
27 0% 0%  

Les Engagés

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
11 0.1% 100%  
12 3% 99.9%  
13 7% 97%  
14 16% 90%  
15 66% 73% Median
16 4% 7%  
17 2% 3% Last Result
18 0.7% 1.0%  
19 0.4% 0.4%  
20 0% 0%  

Parti du Travail de Belgique

For a full overview of the results for this party, see the Parti du Travail de Belgique page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
8 0% 100% Last Result
9 0% 100%  
10 0% 100%  
11 0.8% 100%  
12 1.4% 99.2%  
13 6% 98%  
14 51% 92% Median
15 31% 41%  
16 9% 10%  
17 1.1% 1.2%  
18 0.1% 0.1%  
19 0% 0%  

Ecolo

For a full overview of the results for this party, see the Ecolo page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
1 0.9% 100%  
2 7% 99.1%  
3 9% 92%  
4 7% 84%  
5 68% 76% Last Result, Median
6 5% 9%  
7 4% 4%  
8 0.2% 0.2%  
9 0% 0%  

Chez Nous

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 84% 100% Last Result, Median
1 0.4% 16%  
2 15% 16%  
3 0.5% 0.6%  
4 0% 0%  

DéFI

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

Graph with seats probability mass function not yet produced

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

Collectif Citoyen

For a full overview of the results for this party, see the Collectif Citoyen page.

Graph with seats probability mass function not yet produced

Reprise en Main Citoyenne

For a full overview of the results for this party, see the Reprise en Main Citoyenne page.

Graph with seats probability mass function not yet produced

Coalitions

Graph with coalitions seats not yet produced

Confidence Intervals

Coalition Last Result Median Majority? 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Parti Socialiste – Les Engagés – Parti du Travail de Belgique 44 50 100% 48–53 48–53 47–53 46–54
Mouvement Réformateur – Parti Socialiste – Ecolo 50 46 100% 44–47 43–48 43–48 42–49
Mouvement Réformateur – Parti Socialiste 45 41 98.5% 39–43 39–43 38–44 37–45
Parti Socialiste – Les Engagés – Ecolo 41 40 98% 39–43 38–43 38–43 37–44
Parti Socialiste – Parti du Travail de Belgique – Ecolo 32 40 97% 38–42 38–43 37–43 36–44
Mouvement Réformateur – Les Engagés – Ecolo 48 39 82% 37–41 36–42 36–42 35–43
Parti Socialiste – Les Engagés 36 36 21% 34–38 33–38 33–39 32–40
Parti Socialiste – Parti du Travail de Belgique 27 36 14% 34–38 33–38 33–39 32–39
Mouvement Réformateur – Les Engagés 43 34 1.3% 33–36 32–37 31–37 31–38
Parti Socialiste – Ecolo 24 26 0% 24–28 23–28 23–29 22–30
Mouvement Réformateur – Ecolo 31 25 0% 22–26 22–27 21–27 21–28
Parti du Travail de Belgique – Ecolo 13 19 0% 17–21 17–21 16–21 15–23

Parti Socialiste – Les Engagés – Parti du Travail de Belgique

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
44 0% 100% Last Result
45 0% 100%  
46 0.7% 99.9%  
47 2% 99.2%  
48 9% 97%  
49 15% 89%  
50 30% 73% Median
51 17% 43%  
52 16% 27%  
53 9% 10%  
54 1.3% 2%  
55 0.2% 0.3%  
56 0% 0%  

Mouvement Réformateur – Parti Socialiste – Ecolo

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
40 0.1% 100%  
41 0.4% 99.9%  
42 1.0% 99.5%  
43 4% 98.5%  
44 11% 94%  
45 32% 83%  
46 32% 51% Median
47 13% 19%  
48 4% 6%  
49 2% 2%  
50 0.1% 0.2% Last Result
51 0% 0%  

Mouvement Réformateur – Parti Socialiste

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
36 0.3% 100%  
37 1.1% 99.7%  
38 3% 98.5% Majority
39 10% 96%  
40 26% 85%  
41 29% 59% Median
42 16% 30%  
43 10% 15%  
44 4% 5%  
45 0.8% 0.9% Last Result
46 0.1% 0.1%  
47 0% 0%  

Parti Socialiste – Les Engagés – Ecolo

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
35 0.1% 100%  
36 0.3% 99.9%  
37 2% 99.6%  
38 5% 98% Majority
39 10% 93%  
40 34% 83%  
41 23% 49% Last Result, Median
42 13% 26%  
43 11% 13%  
44 2% 2%  
45 0.2% 0.2%  
46 0% 0%  

Parti Socialiste – Parti du Travail de Belgique – Ecolo

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
32 0% 100% Last Result
33 0% 100%  
34 0% 100%  
35 0.1% 100%  
36 0.7% 99.9%  
37 2% 99.2%  
38 8% 97% Majority
39 16% 89%  
40 30% 73% Median
41 21% 44%  
42 16% 22%  
43 5% 7%  
44 1.3% 1.4%  
45 0.1% 0.1%  
46 0% 0%  

Mouvement Réformateur – Les Engagés – Ecolo

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
34 0.1% 100%  
35 0.9% 99.9%  
36 5% 99.0%  
37 12% 94%  
38 20% 82% Majority
39 24% 62%  
40 22% 38% Median
41 9% 16%  
42 6% 7%  
43 0.5% 0.6%  
44 0.1% 0.1%  
45 0% 0%  
46 0% 0%  
47 0% 0%  
48 0% 0% Last Result

Parti Socialiste – Les Engagés

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
31 0.1% 100%  
32 1.2% 99.9%  
33 4% 98.7%  
34 10% 95%  
35 27% 85%  
36 20% 58% Last Result, Median
37 17% 37%  
38 17% 21% Majority
39 3% 3%  
40 0.6% 0.7%  
41 0.1% 0.1%  
42 0% 0%  

Parti Socialiste – Parti du Travail de Belgique

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
27 0% 100% Last Result
28 0% 100%  
29 0% 100%  
30 0% 100%  
31 0.3% 100%  
32 1.2% 99.7%  
33 8% 98.5%  
34 13% 90%  
35 23% 77% Median
36 21% 54%  
37 19% 32%  
38 10% 14% Majority
39 3% 3%  
40 0.3% 0.4%  
41 0% 0.1%  
42 0% 0%  

Mouvement Réformateur – Les Engagés

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
30 0.2% 100%  
31 2% 99.7%  
32 7% 97%  
33 18% 91%  
34 26% 73%  
35 29% 47% Median
36 10% 18%  
37 6% 8%  
38 1.0% 1.3% Majority
39 0.2% 0.3%  
40 0.1% 0.1%  
41 0% 0%  
42 0% 0%  
43 0% 0% Last Result

Parti Socialiste – Ecolo

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
20 0.1% 100%  
21 0.4% 99.9%  
22 1.3% 99.5%  
23 4% 98%  
24 10% 95% Last Result
25 29% 84%  
26 18% 56% Median
27 19% 37%  
28 15% 18%  
29 2% 3%  
30 0.7% 0.7%  
31 0% 0%  

Mouvement Réformateur – Ecolo

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
19 0% 100%  
20 0.4% 99.9%  
21 2% 99.5%  
22 11% 97%  
23 17% 86%  
24 19% 69%  
25 32% 50% Median
26 12% 18%  
27 5% 6%  
28 0.8% 1.0%  
29 0.1% 0.1%  
30 0% 0%  
31 0% 0% Last Result

Parti du Travail de Belgique – Ecolo

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
13 0% 100% Last Result
14 0.1% 100%  
15 0.6% 99.9%  
16 4% 99.3%  
17 7% 95%  
18 11% 88%  
19 43% 77% Median
20 24% 34%  
21 8% 10%  
22 1.3% 2%  
23 0.6% 0.6%  
24 0% 0%  

Technical Information