Demographics
Senegal has a population of over 12.5 million, about 42 percent of whom live in rural areas. Density in these areas varies from about 77 inhabitants per square kilometre (200 /sq mi) in the west-central region to 2 per square kilometre (5.2 /sq mi) in the arid eastern section.
According to the World Refugee Survey 2008, published by the U.S. Committee for Refugees and Immigrants, Senegal has a population of refugees and asylum seekers numbering approximately 23,800 in 2007. The majority of this population (20,200) is from Mauritania. Refugees live in N'dioum, Dodel, and small settlements along the Senegal River valley.
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