West Africa West Africa West Africa is the westernmost region of Africa. West Africa has been defined as including 17 countries: Benin, Burkina Faso, the island nation of Cape Verde, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Mauritania, Niger, Nigeria, the islands of Saint Helena, Ascension and Tristan da Cunha, Senegal, Sierra Leone and Togo. The population of West Africa is estimated at about /1e6 round 0 million people as of . Studies of human mitochondrial DNA suggest that all humans share common ancestors from Africa, originated in the southwestern regions near the coastal border of Namibia and Angola at the
Portuguese Cross Country Championships race. Carlos Lopes is the most successful athlete of the competition, having won ten national titles between 1970 and 1984, while Rosa Mota is the most successful woman, with eight titles between 1975 and 1985. In the short races, Rui Silva has the most titles at nine (between 2000 and 2013) and Anália Rosa has the most among women, earning five titles from 2000 to 2006. The following year's races were won by non-Portuguese runners: Portuguese Cross Country Championships The Portuguese Cross Country Championships () is an annual cross country running competition that serves as Portugal's national championship for the