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
São Tomean Portuguese São Tomean Portuguese São Toméan Portuguese ( or ) is a dialect of Portuguese spoken in São Tomé and Príncipe. It contains many archaic features in pronunciation, vocabulary, grammar, and syntax, similar to Angolan Portuguese. It was once the dialect of the owners of the "roças" and the middle class, but now it is the dialect of the lower and middle classes, as the upper class often uses modern European Portuguese standard pronunciation, which is now also used by lower and middle classes. São Tomé is the third country in order of percentage of Portuguese speakers (after Portugal and Brazil),