Slovenia vs United States: Historical population data

Slovenia
2.13 million Persons
in 2025
United States
341.79 million Persons
in 2025
Slovenia rank
7th
United States rank
4th

Historical population data over time

  • Slovenia
  • United States
0100.0M200.0M300.0M195019872025

How they compare

United States currently reports 341.79 million Persons against 2.13 million Persons in Slovenia, a difference of 339.65 million Persons.

That makes United States's figure about 160.4 times Slovenia's.

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

Slovenia ranks 7th and United States ranks 4th of 9 groups.

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

Head to head by decade

Decade Slovenia United States Difference Ahead
1950s 1.52 million Persons 164.74 million Persons 163.22 million Persons United States
1960s 1.65 million Persons 192.50 million Persons 190.85 million Persons United States
1970s 1.77 million Persons 215.03 million Persons 213.25 million Persons United States
1980s 1.95 million Persons 236.96 million Persons 235.02 million Persons United States
1990s 1.99 million Persons 264.54 million Persons 262.55 million Persons United States
2000s 2.01 million Persons 294.37 million Persons 292.36 million Persons United States
2010s 2.06 million Persons 320.31 million Persons 318.24 million Persons United States
2020s 2.12 million Persons 336.04 million Persons 333.92 million Persons United States

Averages of every year both report within each decade.

Frequently asked questions

Which has higher historical population data, Slovenia or United States?
United States, at 341.79 million Persons against 2.13 million Persons in Slovenia as of 2025.
What is the difference in historical population data between Slovenia and United States?
339.65 million Persons, with United States ahead.
How many years of comparable data are there for Slovenia and United States?
76 years are reported by both, from 1950 to 2025.
How do Slovenia and United States rank globally for historical population data?
Slovenia ranks 7th and United States 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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Slovenia vs United States: 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/slovenia-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.