Belgium Population Pyramid 2046
Belgium in 2046
By 2046, the population of Belgium is expected to reach 11,898,559. The projection for 2036 is nearly the same: 11,869,958.
Half of the population would be younger than 46.1 years, with 13.8% children under 15 and 27.3% aged 65 or older. 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 | 11,898,560 | 46.1 | |
| Switzerland | 9,321,380 | 48.9 | |
| Austria | 8,824,199 | 50.0 | |
| Netherlands | 19,030,541 | 45.8 | |
| Luxembourg | 782,347 | 46.2 |





