The 20 Largest Cities in the World of 2018

By 2050, the world will be home to almost 10 billion people, two-thirds of which will live in cities. As the transition from rural to urban continues, a network of metropolises across the world is rapidly expanding. Today, the world’s 20 largest cities are home to almost half a billion people, a number only set to rise as urban centers become taller, more expansive, and more dense.

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