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Africa has a rapidly growing population of 500 million people, yet 75% of the continent is sparsely inhabited. Most people still live a traditional rural lifestyle, though many Africans move to cities in search of employment. Most people live where water is available, in the Nile Valley, the coasts of North and West Africa, along the Niger, in the eastern highlands, and in South Africa.
With the highest birthrate of any continent, Africa is projected to grow to two billion by 2050. Women in sub-Saharan Africa bear an average of 6 children each. Life expectancy is low (Sierra Leone: 34 years, Zambia: 37 years, other countries: 4049 years) compared to the developed countries.
The fastest growing region on earth, Africa faces the most serious shortages of food and water.
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