Photo: SmartDrones Aarhus, CC0, via Wikimedia Commons

Bruxelles (Brussels): population

Bruxelles (Brussels), Belgium: 1.41 million people in 2025, by the UN estimate.

Rank among the cities of the country: 1 of 16.

In 1975 it had 918,000 people.

In 2000 it had 1.12 million people, so it has grown by 25% since then.

For 2050 the UN projects 1.41 million people.

A city here is a dense area of at least 1,500 people per km² with at least 50,000 people, drawn on a population grid by the UN degree of urbanisation. It can differ from the city’s administrative borders and from national statistics. Years from 2026 on are projections.

Population, 1975 to 2050Projected from 20260500K1M1.5M19801990200020102020203020402050
2025 Bruxelles (Brussels): 1.4M

Largest cities: Belgium

City20252050, projected
Bruxelles (Brussels)1,406,4991,410,018
Antwerp652,506656,390
Liège375,138384,123
Ghent230,642233,616
Charleroi227,157228,311
La Louvière87,47887,973
Ostend78,08978,727
Kortrijk77,44277,301
Leuven77,08578,892
Saint-Ghislain74,51874,900

Belgium: population and ages

Sources: World Urbanization Prospects 2025, UN DESA Population Division (CC BY 3.0 IGO).

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