In the Thirdworld
One would find the city of Lijiang in the People's Republic of China. It is a city in the north west part of the Yunnan province and is believed to have a population of over 1 million.
when its urban population is having more than a million then the city is considered as a million cities.
Mexico City (21.16 million), Guadalajara (4.4 million) or Monterrey (4.1 million) qualify as such.
New York City is the only city with a population of over 6 million at approx 8.4 million. Los Angeles is second with apporx 3.8 million.
City proper: 8.49 millionGreater Mexico City: 15.11 million
Mexico City (pop: 21.16 million) qualifies as such.
New Yolk City
Several of them. Some include Queretaro (pop: 1.09 million), Leon (1.79 million) or Aguascalientes (0.93 million).
Seoul, South Korea is bigger: 24.5 million vs 21.16 million.
By 2015 it is estimated Mexico City will have 21.7 million inhabitants within the metropolitan area. (2010 estimate).
It took a while to find this one but it was approx. 2.3 billion.
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.