Population Pyramid of Belgium2024
Total population
11.7M
Median age
42.7
Peak year
2044
Peak population
11.9M
Age & sex distribution over time
1950 · 8.6M · median age 35.5
1980 · 9.8M · median age 34.2
2000 · 10.3M · median age 38.9
2024 · 11.7M · median age 42.7
2050 · 11.9M · median age 46.3
2100 · 11.1M · median age 50
Source: UN World Population Prospects 2024 Revision (CC BY 3.0 IGO). Values in thousands. Years after 2024 are medium-variant projections.
Key insights
Demographic profile
Belgium presently shows a stationary pyramid typical of post-transition populations, with roughly equal cohorts at most ages below retirement. The median age in 2024 is 42.7 years.
Age composition
Children under 15 account for 16.0% of the population; people 65 and older account for 20.6%.
Peak population
UN medium-variant projections place Belgium's peak population in 2044.
Long arc
In 1950 the population was 8.6 million with median age 35.5. Projected 2100 values are 11.1 million and median age 50.