Slovak Republic vs United States of America: Historical population data

Slovak Republic
5.41 million Persons
in 2025
United States of America
341.79 million Persons
in 2025
Slovak Republic rank
4th
United States of America rank
4th

Historical population data over time

  • Slovak Republic
  • United States of America
0100.0M200.0M300.0M195019872025

How they compare

United States of America currently reports 341.79 million Persons against 5.41 million Persons in Slovak Republic, a difference of 336.37 million Persons.

That makes United States of America's figure about 63.1 times Slovak Republic's.

Across all 76 years both countries report, United States of America has been ahead every year.

Slovak Republic ranks 4th and United States of America ranks 4th of 9 groups.

United States of America has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade Slovak Republic United States of America Difference Ahead
1950s 3.70 million Persons 164.74 million Persons 161.04 million Persons United States of America
1960s 4.33 million Persons 192.50 million Persons 188.17 million Persons United States of America
1970s 4.72 million Persons 215.03 million Persons 210.30 million Persons United States of America
1980s 5.14 million Persons 236.96 million Persons 231.83 million Persons United States of America
1990s 5.35 million Persons 264.54 million Persons 259.19 million Persons United States of America
2000s 5.39 million Persons 294.37 million Persons 288.97 million Persons United States of America
2010s 5.43 million Persons 320.31 million Persons 314.88 million Persons United States of America
2020s 5.43 million Persons 336.04 million Persons 330.60 million Persons United States of America

Averages of every year both report within each decade.

Frequently asked questions

Which has higher historical population data, Slovak Republic or United States of America?
United States of America, at 341.79 million Persons against 5.41 million Persons in Slovak Republic as of 2025.
What is the difference in historical population data between Slovak Republic and United States of America?
336.37 million Persons, with United States of America ahead.
How many years of comparable data are there for Slovak Republic and United States of America?
76 years are reported by both, from 1950 to 2025.
How do Slovak Republic and United States of America rank globally for historical population data?
Slovak Republic ranks 4th and United States of America ranks 4th of 9 groups.
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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Slovak Republic vs United States of America: Historical population data. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 21 August 2026, from https://population.statizoid.com/compare/historical-population-data/slovak-republic-2/united-states/

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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.