The United Nation (UN) projects that 2.5 billion more people will live in cities by 2050, up from 4.4 billion today. Of the growing global population, most will come from the urban areas of low- and middle-income countries in Sub-Saharan Africa and South Asia, with Sub-Saharan African cities currently already seeing a 4.1 percent growth in population annually. African cities need to construct an estimated 56 million additional housing units to meet...
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