Belgium Population Pyramid

The age and sex structure of Belgium from 1950 to 2100. In 2026, Belgium had a population of about 11,774,645 (49.4% male, 50.6% female), with a median age of 43.1 years. UN projections suggest the population will decline to about 11,060,854 by 2100. Use the slider to explore any year. Source: UN World Population Prospects 2024.