United States of America vs World: Historical population data

United States of America
341.79 million Persons
in 2025
World
8.23 billion Persons
in 2025
United States of America rank
4th
World rank
1st

Historical population data over time

  • United States of America
  • World
02.0B4.0B6.0B8.0B195019872025

How they compare

World currently reports 8.23 billion Persons against 341.79 million Persons in United States of America, a difference of 7.89 billion Persons.

That makes World's figure about 24.1 times United States of America's.

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

United States of America ranks 4th and World ranks 1st of 43 countries.

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

Head to head by decade

Decade United States of America World Difference Ahead
1950s 164.74 million Persons 2.72 billion Persons 2.56 billion Persons World
1960s 192.50 million Persons 3.30 billion Persons 3.11 billion Persons World
1970s 215.03 million Persons 4.03 billion Persons 3.82 billion Persons World
1980s 236.96 million Persons 4.83 billion Persons 4.60 billion Persons World
1990s 264.54 million Persons 5.71 billion Persons 5.45 billion Persons World
2000s 294.37 million Persons 6.55 billion Persons 6.25 billion Persons World
2010s 320.31 million Persons 7.42 billion Persons 7.10 billion Persons World
2020s 336.04 million Persons 8.06 billion Persons 7.72 billion Persons World

Averages of every year both report within each decade.

Frequently asked questions

Which has higher historical population data, United States of America or World?
World, at 8.23 billion Persons against 341.79 million Persons in United States of America as of 2025.
What is the difference in historical population data between United States of America and World?
7.89 billion Persons, with World ahead.
How many years of comparable data are there for United States of America and World?
76 years are reported by both, from 1950 to 2025.
How do United States of America and World rank globally for historical population data?
United States of America ranks 4th and World ranks 1st of 43 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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United States of America vs World: 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/united-states/world/

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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.