Belgium Population Pyramid 2021
Belgium in 2021
The population of Belgium in 2021 was 11,570,844. A decade earlier, in 2011, the population was 11,038,632; it has grown by 4.8% since.
With a median age of 42.0 years, Belgium had a youth dependency ratio of 26.1 and an old-age dependency ratio of 30.5 per 100 people of working age. The pyramid is constrictive: cohorts of children are smaller than those of their parents, reflecting low fertility and an ageing population.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
In 2023 women in Belgium had on average 1.47 children, below the replacement level of 2.1.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 82.4 years in 2023: 84.6 for women and 80.3 for men.
Source: World Bank World Development Indicators, latest available year.
2,185,154 immigrants live in Belgium, 18.6% of the population.
| Morocco | 246,575 |
| France | 196,995 |
| Netherlands | 136,488 |
| Romania | 131,417 |
| Italy | 116,143 |
521,575 people born in Belgium live in other countries.
| France | 169,102 |
| Netherlands | 67,931 |
| Spain | 55,364 |
| Italy | 42,866 |
| Turkey | 40,904 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Belgium | 11,570,844 | 42.0 | |
| Austria | 8,967,057 | 43.7 | |
| Switzerland | 8,707,024 | 42.8 | |
| Netherlands | 17,730,564 | 42.6 | |
| Luxembourg | 640,274 | 39.7 |





