London
Mexico City (21.16 million)
Johannesburg, in South Africa, is the southern African city with more than 3.3 million people.
A megacity is a coty that has more than 10 million people such as Shanghai.
Canada
As a city, Mexico City (21.16 million) is the place with the most people. As a country, Brazil (190.7 million) has the largest population.
Being a cosmopolite city with over 21 million inhabitants, it is more common to find people speaking French, German or Italian, besides the usual Spanish and English languages.
A megacity is a city with more than 10 million people living there. Tokyo is a megacity because more than 10 million people live
New York City has more people in its urban area than Mexico City. New York is rated at number eight and Mexico City is rated at number 10.
Los Angeles has a population of 15.25 million while Mexico City has a population of 21.16 million. Mexico City is the largest of both.
more than 70.4 million people in 2007.
Only Mexico City (21.16 million) qualifies as such.
when its urban population is having more than a million then the city is considered as a million cities.