Croatia vs Slovak Republic: Historical population data

Croatia
3.88 million Persons
in 2025
Slovak Republic
5.41 million Persons
in 2025
Croatia rank
4th
Slovak Republic rank
3rd

Historical population data over time

  • Croatia
  • Slovak Republic
02.0M4.0M6.0M195019872025

How they compare

Slovak Republic currently reports 5.41 million Persons against 3.88 million Persons in Croatia, a difference of 1.53 million Persons.

That makes Slovak Republic's figure about 1.4 times Croatia's.

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

Croatia ranks 4th and Slovak Republic ranks 3rd of 4 countries.

Across the 8 decades both report, Croatia averaged higher in 1 and Slovak Republic in 7.

Head to head by decade

Decade Croatia Slovak Republic Difference Ahead
1950s 4.05 million Persons 3.70 million Persons 346,437 Persons Croatia
1960s 4.33 million Persons 4.33 million Persons 259 Persons Slovak Republic
1970s 4.54 million Persons 4.72 million Persons 177,576 Persons Slovak Republic
1980s 4.74 million Persons 5.14 million Persons 399,162 Persons Slovak Republic
1990s 4.64 million Persons 5.35 million Persons 710,117 Persons Slovak Republic
2000s 4.31 million Persons 5.39 million Persons 1.08 million Persons Slovak Republic
2010s 4.15 million Persons 5.43 million Persons 1.28 million Persons Slovak Republic
2020s 3.88 million Persons 5.43 million Persons 1.56 million Persons Slovak Republic

Averages of every year both report within each decade.

Frequently asked questions

Which has higher historical population data, Croatia or Slovak Republic?
Slovak Republic, at 5.41 million Persons against 3.88 million Persons in Croatia as of 2025.
What is the difference in historical population data between Croatia and Slovak Republic?
1.53 million Persons, with Slovak Republic ahead.
How many years of comparable data are there for Croatia and Slovak Republic?
76 years are reported by both, from 1950 to 2025.
How do Croatia and Slovak Republic rank globally for historical population data?
Croatia ranks 4th and Slovak Republic ranks 3rd of 4 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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Croatia vs Slovak Republic: Historical population data. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 07 October 2026, from https://population.statizoid.com/compare/historical-population-data/croatia-2/slovak-republic-2/

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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.