The world's fastest-growing cities


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As the world population hits 7 billion, we look at the rapid urbanization of the planet. Over the past decade, some cities have seen staggering growth. Others have been founded and attracted huge populations. All the world's fastest-growing cities are located in Asia or Africa. Click on the map markers below to find out more or select the graph option above to see an overview of these major emerging urban centers.
Source: UN Habitat Global Report on Human Settlements 2011 | Content: Theodore Kermeliotis, CNN | Made by: Matt Barringer, CNN