Rapid Urbanisation

Usually Asia and not Africa comes to mind when we hear about rapid urbanization.  UN-HABITAT however, warns that over the next 40 years Africa’s urban population will triple. With this trend in mind the results of Riccardo Pravettoni’s map below seem quite startling when one considers how many of Africa’s urban residents already live in slums.

Riccardo Pravettoni at UNEP/GRID-Arendal, a collaborating centre of the United Nations Environment Programme (UNEP), uses pie charts to visualise the share of urban populations living in slums –   areas defined as lacking infrastructure such as permanent housing, piped water and sewerage systems.

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