Figure 7.22: FIGURE 7.22 PHOTO ESSAY: Urbanization in Sub-Saharan AfricaUrban populations are exploding because of migration from rural areas and the relatively high birth rates in cities. By 2030, half of the people in the region will live in cities, most in slums that are plagued by violence and inadequate access to water, sanitation, and education. Largely ignored by most governments, people in slums survive by helping themselves.

[Sources consulted: 2011 World Population Data Sheet, Population Reference Bureau, at http://www.prb.org/pdf11/2011population-data-sheet_eng.pdf; World Gazeteer, at http://world-gazeteer.com/wg.php?x=&men=gcis&lng=en&des=wg&srt=npan&col&abcdefghinoq&msz=1500&pt=a&va=&srt=pnan]