You've probably heard of Chinese cities like Beijing, Hong Kong, and Shanghai - but those actually only scratch the surface of China's economic picture.
Which city has the ultimate distinction of having the world's most horrific traffic? See this infographic to see the most congested cities globally.
This animation shows big changes in the world's most populous cities over the next 80+ years. Africa alone will hold 13 cities bigger than NYC by...
The world's largest 123 cities generate an astonishing $36 trillion in GDP per year. This infographic breaks these global cities down into seven typologies.
These stunning animations and interactive maps show the changing title for the world's largest city, as well as the rapid pace of urbanization in today's world.