Population on 1 January by age and sex

In 2025, Belgium's population on 1 january by age and sex increased by 0.6% compared to 2024, reaching 5,870,869.

Belgium accounts for 2.7% of the EU-27 total of 220,661,441.

Belgium ranks 8th out of 27 EU member states with reported data — in the top half of the distribution.

Over the past five years, the indicator has grown by 3.3% (from 5,681,225 in 2020).

Source: Eurostat dataset demo_pjan, accessed via the eupublicdata pipeline.