Parti Socialiste
Voting Intentions
Last result: 23.2% (General Election of 9 June 2024)
Confidence Intervals
| Period | Polling firm/Commissioner(s) | Median | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval | 
|---|---|---|---|---|---|---|
| N/A | Poll Average | 26.2% | 24.5–28.0% | 24.0–28.6% | 23.6–29.0% | 22.8–29.9% | 
| 16–23 September 2025 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      26.2% | 24.5–28.0% | 24.0–28.6% | 23.6–29.0% | 22.8–29.9% | 
| 27 May–3 June 2025 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      25.5% | 23.8–27.3% | 23.3–27.8% | 22.9–28.3% | 22.1–29.2% | 
| 3–24 March 2025 | Bpact and Universiteit Antwerpen & ULB  De Standaard, RTBF and VRT  | 
      24.3% | 23.1–25.6% | 22.7–25.9% | 22.5–26.2% | 21.9–26.9% | 
| 4–11 March 2025 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      25.8% | 24.1–27.6% | 23.6–28.2% | 23.2–28.6% | 22.4–29.5% | 
| 18–21 November 2024 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      24.6% | 22.9–26.4% | 22.4–26.9% | 22.0–27.4% | 21.2–28.3% | 
| 11–17 September 2024 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      21.7% | 20.1–23.4% | 19.6–23.9% | 19.3–24.4% | 18.5–25.2% | 
Probability Mass Function
The following table shows the probability mass function per percentage block of voting intentions for the poll average for Parti Socialiste.
| 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% | 
Seats
Last result: 19 seats (General Election of 9 June 2024)
Confidence Intervals
| Period | Polling firm/Commissioner(s) | Median | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval | 
|---|---|---|---|---|---|---|
| N/A | Poll Average | 21 | 19–23 | 19–23 | 18–24 | 18–25 | 
| 16–23 September 2025 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      21 | 19–23 | 19–23 | 18–24 | 18–25 | 
| 27 May–3 June 2025 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      20 | 19–23 | 18–23 | 18–23 | 17–24 | 
| 3–24 March 2025 | Bpact and Universiteit Antwerpen & ULB  De Standaard, RTBF and VRT  | 
      19 | 19–22 | 18–23 | 18–23 | 18–23 | 
| 4–11 March 2025 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      21 | 19–23 | 19–23 | 18–23 | 17–25 | 
| 18–21 November 2024 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      19 | 18–22 | 18–23 | 18–23 | 17–24 | 
| 11–17 September 2024 | Ipsos  Het Laatste Nieuws, Le Soir, RTL TVi and VTM  | 
      18 | 17–19 | 16–19 | 16–19 | 16–21 | 
Probability Mass Function

The following table shows the probability mass function per seat for the poll average for Parti Socialiste.
| 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% |