The global population is growing, but do you know which city is biggest? These are the most populated cities in the world.

Explore the history of the world's largest cities from 3000 BCE to modern times. This video presents estimations based on urban area, rather than official city limits or metro areas, to maintain ...

Nov. 25 (UPI) --In just seven years, Jakarta, Indonesia, took a giant leap from 33rd biggest city in the world to surpass Tokyo at the top of the list. The city has grown to 42 million residents.

In 1950, only around one in five people lived in a city. Now, that figure is close to one in two. Thirty-three of these urban centres have achieved megacity status, meaning they are home to more than ...