Belgium Population Pyramid 2033
Belgium in 2033
By 2033, the population of Belgium is expected to reach 11,849,248. That would be 1.2% more than in 2023 (11,712,893).
The median age is projected at 44.6 years, with 22.3 children under 15 and 39.2 people aged 65 or over for every 100 people of working age (15–64). 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 | 11,849,248 | 44.6 | |
| Switzerland | 9,192,399 | 46.3 | |
| Austria | 9,043,486 | 46.9 | |
| Netherlands | 18,908,217 | 43.5 | |
| Luxembourg | 730,521 | 42.9 |





