Treaty of Lagos - Wikipedia Treaty of Lagos The Economic Community of West African States ( ECOWAS ) was created by the Treaty of Lagos on May 28, 1975, in Lagos, Lagos State, Nigeria. ECOWAS was established to promote cooperation and integration in order to create an economic and monetary union for promoting economic growth and development in West Africa. State parties Benin Burkina Faso Cape Verde Gambia Ghana Guinea - Bissau Liberia Mali Nigeria Senegal Sierra Leone Togo Guinea -- suspended from Community after 2008 coup d'état Niger -- suspended from Community after 2009 auto - coup Ivory Coast - suspended from Community after 2010 elections Notes Jump up ^ AU Stänger av Guinea. Jump up ^ `` African Union bars Guinea on coup '' bbc.co.uk 29 December 2008 Link accessed 29 / 12 / 08 Jump up ^ `` Regional group suspends Niger on disputed election ''. news.yahoo.com 20 October 2009 Jump up ^ `` Cote d'Ivoire expelled from Ecowas ''. aljazeera.net 7 December 2010 This Lagos -- related article is a stub. You can help Wikipedia by expanding it. This article about government in Nigeria is a stub. You can help Wikipedia by expanding it. Retrieved from `` https://en.wikipedia.org/w/index.php?title=Treaty_of_Lagos&oldid=768954881 '' Categories : 1975 in Nigeria 20th century in Lagos Economic Community of West African States Treaties concluded in 1975 Treaties of Burkina Faso Treaties of Cape Verde Treaties of Ghana Treaties of Guinea Treaties of Guinea - Bissau Treaties of Ivory Coast Treaties of Liberia Treaties of Mali Treaties of Niger Treaties of Nigeria Treaties of Senegal Treaties of Sierra Leone Treaties of the Gambia Treaties of the Republic of Dahomey Treaties of Togo Lagos stubs Nigerian government stubs Talk About Wikipedia Asturianu Ελληνικά Español Bahasa Melayu Nederlands Português Edit links This page was last edited on 6 March 2017, at 19 : 01. About Wikipedia

Question: the lagos treaty of may 28th 1975 led to the formation of the
Answer: Economic Community of West African States (ECOWAS)