Belgium Population Pyramid 2023
Belgium in 2023
In 2023, Belgium had a total population of 11,712,893 people. Over the previous ten years the population grew by 5.0%, up from 11,160,276 in 2013.
Half of the population was younger than 42.4 years; 16.3% were children under 15 and 20.1% were 65 or older. This is a constrictive pyramid — its base is narrower than its middle, the signature of sustained low birth rates and population ageing.
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 | 11,712,893 | 42.4 | |
| Austria | 9,130,429 | 44.1 | |
| Switzerland | 8,870,561 | 43.4 | |
| Netherlands | 18,092,525 | 42.4 | |
| Luxembourg | 665,098 | 39.9 |





