Population by age group in Belgium
Belgium: Population by age group was 582,811 people in 2023. ▼ Falling
Population by age group in Belgium, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
In 2023, population by age group in Belgium stood at 582,811 people.
That represents a change of down 1.8% on the previous year and down 10.4% over ten years.
Over the whole period, population by age group in Belgium peaked at 774,985 people in 1965 and was at its lowest, 572,017 people, in 2003.
Belgium ranks 103rd of 236 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 708,118 people | 693,743 people | 740,934 people | 10 |
| 1960s | 761,741 people | 734,645 people | 774,985 people | 10 |
| 1970s | 659,110 people | 604,202 people | 718,318 people | 10 |
| 1980s | 596,877 people | 582,029 people | 611,064 people | 10 |
| 1990s | 601,869 people | 578,151 people | 620,622 people | 10 |
| 2000s | 586,710 people | 572,017 people | 624,241 people | 10 |
| 2010s | 636,960 people | 612,792 people | 651,406 people | 10 |
| 2020s | 594,722 people | 582,811 people | 604,825 people | 4 |
Countries ranked near Belgium
More population data for Belgium
- Population growth rate, by level of development -0.2% (2100)
- Number of children under 5, by world region 461,216 people (2100)
- Population density 365.29 people per km² (2100)
- World population growth -0.2% (2100)
- Total fertility rate vs. wanted fertility rate 1.44 births per woman (2024)
- Refugees by country of asylum 183,551 people (2024)
- Fertility rate vs. unmet need for contraception 1.44 births per woman (2024)
- Total fertility rate vs. contraceptive prevalence 1.44 births per woman (2024)
- Natural population growth rate -0.1% (2023)
- Fertility rate: births per woman 1.38 live births per woman (2023)
Frequently asked questions
- What is population by age group in Belgium?
- Population by age group in Belgium was 582,811 people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest population by age group recorded in Belgium?
- The highest recorded value was 774,985 people in 1965.
- What is the lowest population by age group recorded in Belgium?
- The lowest recorded value was 572,017 people in 2003.
- How does Belgium rank for population by age group?
- Belgium ranks 103rd out of 236 countries with data for 2023.
- Is population by age group rising or falling in Belgium?
- Over the last ten years it is down 10.4%. The long-run trend across the full record is falling.
- Where does this Belgium data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Population by age group. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The total population, measured on 1 July of the year shown. This only includes people aged 0-4.