Korea vs United States of America: Historical population data

Korea
51.68 million Persons
in 2025
United States of America
341.79 million Persons
in 2025
Korea rank
1st
United States of America rank
4th

Historical population data over time

  • Korea
  • United States of America
0100.0M200.0M300.0M195019872025

How they compare

United States of America currently reports 341.79 million Persons against 51.68 million Persons in Korea, a difference of 290.10 million Persons.

That makes United States of America's figure about 6.6 times Korea's.

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

Korea ranks 1st 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 Korea United States of America Difference Ahead
1950s 22.05 million Persons 164.74 million Persons 142.70 million Persons United States of America
1960s 28.32 million Persons 192.50 million Persons 164.18 million Persons United States of America
1970s 34.95 million Persons 215.03 million Persons 180.08 million Persons United States of America
1980s 40.46 million Persons 236.96 million Persons 196.50 million Persons United States of America
1990s 44.82 million Persons 264.54 million Persons 219.72 million Persons United States of America
2000s 48.17 million Persons 294.37 million Persons 246.20 million Persons United States of America
2010s 50.78 million Persons 320.31 million Persons 269.53 million Persons United States of America
2020s 51.74 million Persons 336.04 million Persons 284.30 million Persons United States of America

Averages of every year both report within each decade.

Frequently asked questions

Which has higher historical population data, Korea or United States of America?
United States of America, at 341.79 million Persons against 51.68 million Persons in Korea as of 2025.
What is the difference in historical population data between Korea and United States of America?
290.10 million Persons, with United States of America ahead.
How many years of comparable data are there for Korea and United States of America?
76 years are reported by both, from 1950 to 2025.
How do Korea and United States of America rank globally for historical population data?
Korea ranks 1st 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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Korea vs United States of America: 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/korea/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.