10New York, USA
The population spread between New York City, the surrounding areas in New York state and New Jersey’s Newark, this is one of the world’s most densely populated metropolitan regions. Did you know that two-fifth of New York State’s population is housed in New York City alone? Imagine the concentration of people in a single city compared to the rest of the state. Still want to move to NYC? Glamour struck, aren’t we? The population of the New York metropolitan area was 18,604,000 in 2016.