West Africa

West Africa or Western Africa is the westernmost region of Africa. '' The United Nations defines Western Africa as the 16 countries of Benin, Burkina Faso, Cape Verde, The Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone and Togo, as well as the United Kingdom Overseas Territory of Saint Helena, Ascension and Tristan da Cunha. '' The population of West Africa is estimated at about 381 million people as of 2018, and at 381,981,000 as of 2017, of which 189,672,000 are female and 192,309,000 male.