Argentina vs United Kingdom of Great Britain and Northern Ireland: Population in urban agglomerations of more than 1 million

Argentina
20.28 million
in 2025
United Kingdom of Great Britain and Northern Ireland
19.05 million
in 2025
Argentina rank
19th
United Kingdom of Great Britain and Northern Ireland rank
21st

Population in urban agglomerations of more than 1 million over time

  • Argentina
  • United Kingdom of Great Britain and Northern Ireland
05.0M10.0M15.0M20.0M196019922025

How they compare

Argentina currently reports 20.28 million against 19.05 million in United Kingdom of Great Britain and Northern Ireland, a difference of 1.23 million.

That makes Argentina's figure about 1.1 times United Kingdom of Great Britain and Northern Ireland's.

The two have swapped places 1 time across 66 shared years of data; in 1960 it was United Kingdom of Great Britain and Northern Ireland ahead.

Argentina ranks 19th and United Kingdom of Great Britain and Northern Ireland ranks 21st of 121 countries.

Across the 7 decades both report, Argentina averaged higher in 4 and United Kingdom of Great Britain and Northern Ireland in 3.

Head to head by decade

Decade Argentina United Kingdom of Great Britain and Northern Ireland Difference Ahead
1960s 9.30 million 16.16 million 6.86 million United Kingdom of Great Britain and Northern Ireland
1970s 11.38 million 15.26 million 3.88 million United Kingdom of Great Britain and Northern Ireland
1980s 13.25 million 14.62 million 1.37 million United Kingdom of Great Britain and Northern Ireland
1990s 14.93 million 14.85 million 81,100 Argentina
2000s 16.77 million 15.59 million 1.18 million Argentina
2010s 18.65 million 17.20 million 1.45 million Argentina
2020s 19.85 million 18.64 million 1.21 million Argentina

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population in urban agglomerations of more than 1 million, Argentina or United Kingdom of Great Britain and Northern Ireland?
Argentina, at 20.28 million against 19.05 million in United Kingdom of Great Britain and Northern Ireland as of 2025.
What is the difference in population in urban agglomerations of more than 1 million between Argentina and United Kingdom of Great Britain and Northern Ireland?
1.23 million, with Argentina ahead.
How many years of comparable data are there for Argentina and United Kingdom of Great Britain and Northern Ireland?
66 years are reported by both, from 1960 to 2025.
How do Argentina and United Kingdom of Great Britain and Northern Ireland rank globally for population in urban agglomerations of more than 1 million?
Argentina ranks 19th and United Kingdom of Great Britain and Northern Ireland ranks 21st of 121 countries.
Where does this data come from?
World Urbanization Prospects 2018, United Nations (UN), published as Population in urban agglomerations of more than 1 million. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Argentina vs United Kingdom of Great Britain and Northern Ireland: Population in urban agglomerations of more than 1 million. Statizoid, drawing on World Urbanization Prospects 2018, United Nations (UN). Retrieved 13 September 2026, from https://urban.statizoid.com/compare/population-in-urban-agglomerations-of-more-than-1-million/argentina/united-kingdom/

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About this data

Indicator
Population in urban agglomerations of more than 1 million
Source
World Urbanization Prospects 2018, United Nations (UN)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
121 places, 7,986 data points, 1960–2025
Last refreshed

Population in urban agglomerations of more than one million is the country's population living in metropolitan areas that in 2018 had a population of more than one million people.