The Economic Community of West African States, also known as, is a regional political and economic union of fifteen countries located in West Africa. Collectively, these countries comprise an area of 5,114,162 km², and in 2015 had an estimated population of over 349 million.

Why was ECOWAS established in the first place?

Economic Community of West African States (ECOWAS), African organization established by the Treaty of Lagos in May 1975 to promote economic trade, cooperation, and self-reliance.

How was ECOWAS established?

Welcome to the Economic Community of West African States (ECOWAS). Established on May 28 1975 via the treaty of Lagos, ECOWAS is a 15-member regional group with a mandate of promoting economic integration in all fields of activity of the constituting countries.