Population by age groups in Belgium
Belgium: Population by age groups was 11.88 million in 2025. ▲ Rising
Latest (2025)
11.88 million
Change on year
up 0.6%
World rank
24th
of 74 countries
All-time high
11.88 million
in 2025
All-time low
9.95 million
in 1990
Years of data
36
1990–2025
Population by age groups in Belgium, 1990–2025
Source: UNICEF.
Analysis
In 2025, population by age groups in Belgium stood at 11.88 million. That is the highest value across all 36 years on record.
The figure is up 0.6% on the previous year and up 5.8% over ten years.
Over the whole period, population by age groups in Belgium peaked at 11.88 million in 2025 and was at its lowest, 9.95 million, in 1990.
That places Belgium 24th out of 74 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 36 years of available data.
Population by age groups in Belgium, year by year
| Year | Value | Change |
|---|---|---|
| 1990 | 9.95 million | — |
| 1991 | 9.99 million | +0.4% |
| 1992 | 10.02 million | +0.4% |
| 1993 | 10.07 million | +0.5% |
| 1994 | 10.10 million | +0.3% |
| 1995 | 10.13 million | +0.3% |
| 1996 | 10.14 million | +0.1% |
| 1997 | 10.17 million | +0.3% |
| 1998 | 10.19 million | +0.2% |
| 1999 | 10.21 million | +0.2% |
| 2000 | 10.24 million | +0.2% |
| 2001 | 10.26 million | +0.2% |
| 2002 | 10.31 million | +0.5% |
| 2003 | 10.36 million | +0.4% |
| 2004 | 10.40 million | +0.4% |
| 2005 | 10.45 million | +0.5% |
| 2006 | 10.51 million | +0.6% |
| 2007 | 10.58 million | +0.7% |
| 2008 | 10.67 million | +0.8% |
| 2009 | 10.75 million | +0.8% |
| 2010 | 10.84 million | +0.8% |
| 2011 | 11.00 million | +1.5% |
| 2012 | 11.08 million | +0.7% |
| 2013 | 11.14 million | +0.6% |
| 2014 | 11.18 million | +0.4% |
| 2015 | 11.24 million | +0.5% |
| 2016 | 11.31 million | +0.7% |
| 2017 | 11.35 million | +0.4% |
| 2018 | 11.40 million | +0.4% |
| 2019 | 11.46 million | +0.5% |
| 2020 | 11.52 million | +0.6% |
| 2021 | 11.55 million | +0.3% |
| 2022 | 11.62 million | +0.5% |
| 2023 | 11.74 million | +1.1% |
| 2024 | 11.82 million | +0.6% |
| 2025 | 11.88 million | +0.6% |
Belgium compared with similar countries
- Belgium's 11.88 million is above the median for high income countries, which is 5.99 million, 2.0× the median. (41 countries reporting)
- Belgium's 11.88 million is above the median for Europe & Central Asia, which is 7.30 million, 1.6× the median. (51 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 10.10 million | 9.95 million | 10.21 million | 10 |
| 2000s | 10.45 million | 10.24 million | 10.75 million | 10 |
| 2010s | 11.20 million | 10.84 million | 11.46 million | 10 |
| 2020s | 11.69 million | 11.52 million | 11.88 million | 6 |
Countries ranked near Belgium
More population data for Belgium
- Africa's Development Dynamics (AfDD) Table 05 - Demographic estimates 12,091 Persons (2050)
- Un population 2024 vs 2022, annual growth rate -0.0945 % change on previous year (2100)
- Population long run with projections, annual growth rate -0.1652 % change on previous year (2100)
- Urban and rural population 2050, annual growth rate -0.1094 % change on previous year (2050)
- Population regions with projections, annual growth rate -0.1652 % change on previous year (2100)
- 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)
- Projected population under age 5, annual growth rate 0.0085 % change on previous year (2100)
Frequently asked questions
- What is population by age groups in Belgium?
- Population by age groups in Belgium was 11.88 million in 2025, according to UNICEF.
- What is the highest population by age groups recorded in Belgium?
- The highest recorded value was 11.88 million in 2025.
- What is the lowest population by age groups recorded in Belgium?
- The lowest recorded value was 9.95 million in 1990.
- How does Belgium rank for population by age groups?
- Belgium ranks 24th out of 74 countries with data for 2025.
- Is population by age groups rising or falling in Belgium?
- Over the last ten years it is up 5.8%. The long-run trend across the full record is rising.
- Where does this Belgium data come from?
- The figures come from UNICEF, published as part of Population by age groups. Statizoid updates them automatically from the source API.
Download this data
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