By the end of this century, it's forecast that most of the world's biggest cities, by population size, will be locations in Africa. Currently, the rate of growth in Africa's cities is outpacing the rest of the world's cities. Dozens of African metropolises will continue to expand, but currently there are 15 urban centers that are growing faster than the rest. These cities are not necessarily huge yet, but their rate of growth is so fast that they could become big players in the future.
Intrigued? Click on the following gallery to discover which African cities make the list.