European Union (27 countries) vs United States of America: Historical population data

European Union (27 countries)
452.45 million Persons
in 2025
United States of America
341.79 million Persons
in 2025
European Union (27 countries) rank
3rd
United States of America rank
4th

Historical population data over time

  • European Union (27 countries)
  • United States of America
200.0M300.0M400.0M500.0M195019872025

How they compare

European Union (27 countries) currently reports 452.45 million Persons against 341.79 million Persons in United States of America, a difference of 110.67 million Persons.

That makes European Union (27 countries)'s figure about 1.3 times United States of America's.

Across all 76 years both countries report, European Union (27 countries) has been ahead every year.

European Union (27 countries) ranks 3rd and United States of America ranks 4th of 4 regions.

European Union (27 countries) has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade European Union (27 countries) United States of America Difference Ahead
1950s 340.39 million Persons 164.74 million Persons 175.64 million Persons European Union (27 countries)
1960s 369.82 million Persons 192.50 million Persons 177.32 million Persons European Union (27 countries)
1970s 395.50 million Persons 215.03 million Persons 180.47 million Persons European Union (27 countries)
1980s 412.09 million Persons 236.96 million Persons 175.13 million Persons European Union (27 countries)
1990s 424.44 million Persons 264.54 million Persons 159.91 million Persons European Union (27 countries)
2000s 434.50 million Persons 294.37 million Persons 140.13 million Persons European Union (27 countries)
2010s 443.69 million Persons 320.31 million Persons 123.39 million Persons European Union (27 countries)
2020s 449.48 million Persons 336.04 million Persons 113.44 million Persons European Union (27 countries)

Averages of every year both report within each decade.

Frequently asked questions

Which has higher historical population data, European Union (27 countries) or United States of America?
European Union (27 countries), at 452.45 million Persons against 341.79 million Persons in United States of America as of 2025.
What is the difference in historical population data between European Union (27 countries) and United States of America?
110.67 million Persons, with European Union (27 countries) ahead.
How many years of comparable data are there for European Union (27 countries) and United States of America?
76 years are reported by both, from 1950 to 2025.
How do European Union (27 countries) and United States of America rank globally for historical population data?
European Union (27 countries) ranks 3rd and United States of America ranks 4th of 4 regions.
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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European Union (27 countries) 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/european-union-27-countries/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.