The World's Ten Biggest Metropolitan Areas

4. New York, United States
Metropolitan area: 21.9 million people
City: 8.2 million people

New York City, especially Manhattan, is a role model for balancing dense development with good public transport and access to open spaces. Different in many regards, New York City is the only U.S. city where most households do not own a car.

Urban Detail:
New York City has been a major point of entry since the first immigrants came to the United States. Over 170 languages are spoken there today. No single nationality or ethnicity dominates the city’s exceptionally cultural diverse population. (Photo: Reuters)