Historical population data in Belgium

Belgium: Historical population data was 11.85 million Persons in 2025. β–² Rising

Latest (2025)
11.85 million Persons
Change on year
up 0.4%
World rank
23rd
of 43 countries
All-time high
11.85 million Persons
in 2025
All-time low
8.64 million Persons
in 1950
Years of data
76
1950–2025

Historical population data in Belgium, 1950–2025

02.5M5.0M7.5M10.0M12.5M195019872025

Source: Organisation for Economic Co-operation and Development. Measured in Persons.

Analysis

The most recent figure for historical population data in Belgium is 11.85 million Persons, measured in 2025. That is the highest value across all 76 years on record.

Compared with earlier readings it is up 0.4% on the previous year and up 5.4% over ten years.

Over the whole period, historical population data in Belgium peaked at 11.85 million Persons in 2025 and was at its lowest, 8.64 million Persons, in 1950.

That places Belgium 23rd out of 43 countries with data for 2025, putting it in the middle of the range.

The long-run direction has been consistently rising across the 76 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1950s 8.86 million Persons 8.64 million Persons 9.10 million Persons 10
1960s 9.41 million Persons 9.15 million Persons 9.65 million Persons 10
1970s 9.77 million Persons 9.66 million Persons 9.85 million Persons 10
1980s 9.87 million Persons 9.86 million Persons 9.94 million Persons 10
1990s 10.11 million Persons 9.97 million Persons 10.23 million Persons 10
2000s 10.48 million Persons 10.25 million Persons 10.80 million Persons 10
2010s 11.20 million Persons 10.90 million Persons 11.46 million Persons 10
2020s 11.68 million Persons 11.51 million Persons 11.85 million Persons 6

Countries ranked near Belgium

  1. 20 Australia 27.61 million Persons compare
  2. 21 Chile 20.21 million Persons compare
  3. 22 Romania 19.02 million Persons compare
  4. 24 Portugal 11.41 million Persons compare
  5. 25 Czechia 10.89 million Persons compare
  6. 26 Sweden 10.59 million Persons compare

See the full ranking of 56 places β†’

More population data for Belgium

All data for Belgium β†’

Frequently asked questions

What is historical population data in Belgium?
Historical population data in Belgium was 11.85 million Persons in 2025, according to Organisation for Economic Co-operation and Development.
What is the highest historical population data recorded in Belgium?
The highest recorded value was 11.85 million Persons in 2025.
What is the lowest historical population data recorded in Belgium?
The lowest recorded value was 8.64 million Persons in 1950.
How does Belgium rank for historical population data?
Belgium ranks 23rd out of 43 countries with data for 2025.
Is historical population data rising or falling in Belgium?
Over the last ten years it is up 5.4%. The long-run trend across the full record is rising.
Where does this Belgium data come from?
The figures come from Organisation for Economic Co-operation and Development, published as part of Historical population data. Statizoid updates them automatically from the source API.

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Historical population data in Belgium. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 20 August 2026, from https://population.statizoid.com/stat/historical-population-data/belgium/

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About this data

Indicator
Historical population data
Unit
Persons
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
56 places, 4,256 data points, 1950–2025
Last refreshed

This dataset presents annual population data from 1961 by sex and five year age groups as well as the share of children, youth, the elderly, old-age and total dependency ratios. The data is available for all member countries as well as for the EU27 and G20 countries, Argentina, Brazil, China, India, Indonesia, Russia, Saudi Arabia, Singapore, South Africa and the World total. The data refer to mid-year estimates of the population. See country details in Historical population metadata.