In the US, Los Angeles.
I guess you mean second most populated. Guadalajara (pop: 4,095,853) is such city.
Tokyo, Japan (32,450,000)Seoul, South Korea (20,550,000)Mexico City, Mexico (20,450,000)
Mexico City is the most populous city in North America. In second place is Toronto, Canada and in third place is New York City.
The second most populated city in Missouri is St. Louis with a population of 319,294. Kansas City is the most populated city in Missouri.
The most densely populated city in the world is Manila, the capital of the Philippines. It has a population density of over 41,000 people per square kilometer.
Mexico City (21.16 million inhabitants)
Mexico city
it still is
Mexico city
Mexico City In Mexico which has Has 8 Million People By 2012
Is Mexico City.