The growth of megacities

Help

The growth of the world's megacities has taken off in the last decade, particularly in Asia. Watch how the number of cities with more than 10m people has spread around the world in this data visualistion.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.