Belgium Population Pyramid 2025
Belgium in 2025
The population of Belgium in 2025 was 11,758,603. Over the previous ten years the population grew by 4.3%, up from 11,275,334 in 2015.
With a median age of 42.9 years, Belgium had a youth dependency ratio of 24.8 and an old-age dependency ratio of 33.1 per 100 people of working age. The narrow base of the pyramid marks a constrictive age structure: fertility below replacement level and a rising share of older people.
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 | 11,758,603 | 42.9 | |
| Austria | 9,113,574 | 44.7 | |
| Switzerland | 8,967,408 | 43.9 | |
| Netherlands | 18,346,819 | 42.5 | |
| Luxembourg | 680,454 | 40.5 |





