What is the difference in population in largest city between Brazil and United States?

3.84 million, with Brazil ahead.

How many years of comparable data are there for Brazil and United States?

66 years are reported by both, from 1960 to 2025.

Where does this data come from?

World Urbanization Prospects 2018, United Nations (UN), published as Population in largest city. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Brazil vs United States: Population in largest city

Brazil

22.99 million

in 2025

United States

19.15 million

in 2025

Brazil rank

6th

United States rank

8th

Population in largest city over time

Brazil
United States

How they compare

Brazil currently reports 22.99 million against 19.15 million in United States, a difference of 3.84 million.

That makes Brazil's figure about 1.2 times United States's.

The two have swapped places 1 time across 66 shared years of data; in 1960 it was United States ahead.

Brazil ranks 6th and United States ranks 8th of 153 countries.

Across the 7 decades both report, Brazil averaged higher in 3 and United States in 4.

Head to head by decade

Decade	Brazil	United States	Difference	Ahead
1960s	5.59 million	15.08 million	9.49 million	United States
1970s	9.48 million	15.91 million	6.44 million	United States
1980s	13.28 million	15.80 million	2.52 million	United States
1990s	15.81 million	16.86 million	1.06 million	United States
2000s	18.17 million	18.06 million	111,970	Brazil
2010s	20.76 million	18.61 million	2.15 million	Brazil
2020s	22.52 million	18.94 million	3.58 million	Brazil

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population in largest city, Brazil or United States?: Brazil, at 22.99 million against 19.15 million in United States as of 2025.
What is the difference in population in largest city between Brazil and United States?: 3.84 million, with Brazil ahead.
How many years of comparable data are there for Brazil and United States?: 66 years are reported by both, from 1960 to 2025.
How do Brazil and United States rank globally for population in largest city?: Brazil ranks 6th and United States ranks 8th of 153 countries.
Where does this data come from?: World Urbanization Prospects 2018, United Nations (UN), published as Population in largest city. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Brazil vs United States: Population in largest city. Statizoid, drawing on World Urbanization Prospects 2018, United Nations (UN). Retrieved 20 August 2026, from https://urban.statizoid.com/compare/population-in-largest-city/brazil/united-states/

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About this data

Indicator: Population in largest city
Source: World Urbanization Prospects 2018, United Nations (UN)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 153 places, 10,098 data points, 1960–2025
Last refreshed: 20 August 2026

Population in largest city is the urban population living in the country's largest metropolitan area.