Which has higher population in the largest city, Brazil or Iran, Islamic Republic of?

Iran, Islamic Republic of, at 13.6% against 12.3% in Brazil as of 2025.

What is the difference in population in the largest city between Brazil and Iran, Islamic Republic of?

1.3%, with Iran, Islamic Republic of ahead.

How many years of comparable data are there for Brazil and Iran, Islamic Republic of?

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 the largest city (% of urban population). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Brazil vs Iran, Islamic Republic of: Population in the largest city

Brazil

12.3%

in 2025

Iran, Islamic Republic of

13.6%

in 2025

Brazil rank

139th

Iran, Islamic Republic of rank

138th

Population in the largest city over time

Brazil
Iran, Islamic Republic of

How they compare

Iran, Islamic Republic of currently reports 13.6% against 12.3% in Brazil, a difference of 1.3%.

That makes Iran, Islamic Republic of's figure about 1.1 times Brazil's.

Across all 66 years both countries report, Iran, Islamic Republic of has been ahead every year.

Brazil ranks 139th and Iran, Islamic Republic of ranks 138th of 153 countries.

Iran, Islamic Republic of has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade	Brazil	Iran, Islamic Republic of	Difference	Ahead
1960s	13.9%	26.7%	12.8%	Iran, Islamic Republic of
1970s	14.9%	27.1%	12.3%	Iran, Islamic Republic of
1980s	14.0%	22.4%	8.4%	Iran, Islamic Republic of
1990s	12.7%	18.0%	5.2%	Iran, Islamic Republic of
2000s	12.0%	15.8%	3.8%	Iran, Islamic Republic of
2010s	12.1%	14.2%	2.1%	Iran, Islamic Republic of
2020s	12.2%	13.7%	1.5%	Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population in the largest city, Brazil or Iran, Islamic Republic of?: Iran, Islamic Republic of, at 13.6% against 12.3% in Brazil as of 2025.
What is the difference in population in the largest city between Brazil and Iran, Islamic Republic of?: 1.3%, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Brazil and Iran, Islamic Republic of?: 66 years are reported by both, from 1960 to 2025.
How do Brazil and Iran, Islamic Republic of rank globally for population in the largest city?: Brazil ranks 139th and Iran, Islamic Republic of ranks 138th of 153 countries.
Where does this data come from?: World Urbanization Prospects 2018, United Nations (UN), published as Population in the largest city (% of urban population). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Brazil vs Iran, Islamic Republic of: Population in the largest city. Statizoid, drawing on World Urbanization Prospects 2018, United Nations (UN). Retrieved 15 September 2026, from https://urban.statizoid.com/compare/population-in-the-largest-city-percent-of-urban-population/brazil/iran-islamic-rep/

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About this data

Indicator: Population in the largest city (% of urban population)
Unit: % of urban population
Source: World Urbanization Prospects 2018, United Nations (UN)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 196 places, 12,906 data points, 1960–2025
Last refreshed: 03 September 2026

Population in largest city is the percentage of a country's urban population living in that country's largest metropolitan area.