Population by age group in Belgium
Belgium: Population by age group was 2.36 million people in 2023. ▲ Rising
Population by age group in Belgium, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
Belgium recorded 2.36 million people for population by age group in 2023. That is the highest value across all 74 years on record.
That represents a change of up 2.5% on the previous year and up 19.3% over ten years.
Over the whole period, population by age group in Belgium peaked at 2.36 million people in 2023 and was at its lowest, 950,130 people, in 1950.
That places Belgium 47th out of 236 countries with data for 2023, putting it in the top quarter.
The long-run direction has been consistently rising across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 1.01 million people | 950,130 people | 1.07 million people | 10 |
| 1960s | 1.18 million people | 1.09 million people | 1.27 million people | 10 |
| 1970s | 1.35 million people | 1.29 million people | 1.41 million people | 10 |
| 1980s | 1.40 million people | 1.35 million people | 1.46 million people | 10 |
| 1990s | 1.60 million people | 1.49 million people | 1.71 million people | 10 |
| 2000s | 1.79 million people | 1.72 million people | 1.85 million people | 10 |
| 2010s | 2.03 million people | 1.87 million people | 2.19 million people | 10 |
| 2020s | 2.28 million people | 2.22 million people | 2.36 million 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 2.36 million 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 2.36 million people in 2023.
- What is the lowest population by age group recorded in Belgium?
- The lowest recorded value was 950,130 people in 1950.
- How does Belgium rank for population by age group?
- Belgium ranks 47th 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 up 19.3%. The long-run trend across the full record is rising.
- 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 65+.