About
West Africa, also known as 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 Saint Helena, Ascension and Tristan da Cunha (a United Kingdom Overseas Territory). As of 2021, the population of West Africa is estimated at 419 million, and approximately 382 million in 2017, of which 189.7 million were female and 192.3 million male. The region is one of the fastest growing in Africa, both demographically and economically. West Africa is a culturally and demographically diverse region, home to many ethnic groups, including Hausa, Yoruba, Igbo, Fulani, Akan, Mandé, Wolof, Songhai, Kanuri, Zarma and Tuareg. The most common religions practiced in the region are Islam, Christianity and traditional African religions. Historically, West Africa was home to several powerful states and empires that controlled regional trade routes, including the Mali and Gao Empires.