The Economic Community of West African States 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 have an estimated population of over 424.34... Wikipedia
Headquarters: Federal Capital Territory, Nigeria
Founded: May 28, 1975, Lagos, Nigeria
Founder: Treaty of Lagos
Subsidiaries: West African Economic and Monetary Union and UNMIL Radio
GDP (nominal): estimate
Official languages: English; French; Portuguese