FIGURE 7.24 Photo Essay: Urbanization in Sub-Saharan Africa Urban populations are exploding because of migration from rural areas and relatively high birth rates in cities. By 2030, half of the people in the region will live in cities, most in slums plagued by violence and inadequate access to water, sanitation, and education. Largely ignored by most governments, people in slums survive by helping themselves. 7.24a Courtesy Pius Utomi Ekepei/AFP/Getty Images, 7.24b Courtesy AFP/Getty Images, 7.24c Courtesy Chicago Tribune/McClatchy-Tribune/Getty Images, 7.24d Courtesy Tony Karumba/AFP/Getty Images