Belgium vs Czechia: Historical population data

Belgium
11.85 million Persons
in 2025
Czechia
10.89 million Persons
in 2025
Belgium rank
23rd
Czechia rank
25th

Historical population data over time

  • Belgium
  • Czechia
02.5M5.0M7.5M10.0M12.5M195019872025

How they compare

Belgium currently reports 11.85 million Persons against 10.89 million Persons in Czechia, a difference of 955,400 Persons.

That makes Belgium's figure about 1.1 times Czechia's.

The two have swapped places 1 time across 76 shared years of data; in 1950 it was Czechia ahead.

Belgium ranks 23rd and Czechia ranks 25th of 43 countries.

Across the 8 decades both report, Belgium averaged higher in 3 and Czechia in 5.

Head to head by decade

Decade Belgium Czechia Difference Ahead
1950s 8.86 million Persons 9.31 million Persons 451,691 Persons Czechia
1960s 9.41 million Persons 9.75 million Persons 344,511 Persons Czechia
1970s 9.77 million Persons 10.03 million Persons 264,935 Persons Czechia
1980s 9.87 million Persons 10.33 million Persons 462,737 Persons Czechia
1990s 10.11 million Persons 10.32 million Persons 206,232 Persons Czechia
2000s 10.48 million Persons 10.29 million Persons 197,420 Persons Belgium
2010s 11.20 million Persons 10.56 million Persons 645,790 Persons Belgium
2020s 11.68 million Persons 10.77 million Persons 909,317 Persons Belgium

Averages of every year both report within each decade.

Frequently asked questions

Which has higher historical population data, Belgium or Czechia?
Belgium, at 11.85 million Persons against 10.89 million Persons in Czechia as of 2025.
What is the difference in historical population data between Belgium and Czechia?
955,400 Persons, with Belgium ahead.
How many years of comparable data are there for Belgium and Czechia?
76 years are reported by both, from 1950 to 2025.
How do Belgium and Czechia rank globally for historical population data?
Belgium ranks 23rd and Czechia ranks 25th of 43 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Historical population data. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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

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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.