Belgium · official figures · 1 January 2025
Belgium population by region, 2026
Belgium has 11,883,495 people on the latest official figures (1 January 2025). Flanders is the largest region, with 6.9 million, followed by Wallonia with 3.7 million; Brussels-Capital Region is the smallest, with 1.3 million.
All 3 regions, largest first
| # | ||||||
|---|---|---|---|---|---|---|
| 1 | FlandersVlaanderen | 6,884,271 | +0.66% | +3.69% | 57.9% | 509 |
| 2 | WalloniaWallonie | 3,727,515 | +0.37% | +1.84% | 31.4% | 221 |
| 3 | Brussels-Capital Region | 1,271,709 | +0.58% | +3.95% | 10.7% | 7,880 |
Total area, Wikidata. “In 5 years” compares the latest yearly figures.
Questions
Which region of Belgium has the most people?
Flanders, with 6,884,271 people (1 January 2025), 57.9% of Belgium. Then Wallonia, with 3,727,515.
Which has the fewest people?
Brussels-Capital Region, with 1,271,709 (1 January 2025).
Which is growing fastest?
Flanders, up +0.66% in the latest year. None of them shrank.
What share of Belgium’s people live in the three largest?
100.0%: Flanders, Wallonia, Brussels-Capital Region.
How current are these figures, and who publishes them?
They are for 1 January 2025, from Eurostat, population on 1 January by NUTS region (demo_r_d2jan). Eurostat updates regional populations once a year.
Source and method
Eurostat, population on 1 January by NUTS region (demo_r_d2jan). Eurostat reuse policy (CC BY 4.0). Eurostat updates regional populations once a year. These national figures can differ from the UN’s projection for Belgium, which uses one method for every country.
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