Mexico vs United States: Population in largest city
Mexico
22.75 million
in 2025
United States
19.15 million
in 2025
Mexico rank
7th
United States rank
8th
Population in largest city over time
- Mexico
- United States
How they compare
Mexico currently reports 22.75 million against 19.15 million in United States, a difference of 3.60 million.
That makes Mexico'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.
Globally, Mexico ranks 7th and United States ranks 8th of 153 countries.
Individual pages
About this data
Population in largest city is the urban population living in the country's largest metropolitan area.