Nigeria becomes Africa's biggest economy overtook released in April Nigeria becomes Africa's biggest economy Nigeria becomes Africa's biggest economy Africa’s largest economy Nigeria overtook South Africa Nigeria overtook South Africa http://www.bbc.com/news/business-26913497 Nigeria overtook South Africa Nigeria becomes Africa’s biggest economy Nigeria becomes Africa's biggest economy Nigeria overtook South Africa economy has just become the largest in Africa Nigeria becomes Africa's biggest economy largest economy in Africa Africa’s biggest Nigeria becomes Africa's biggest economy Nigeria becomes Africa's biggest economy Nigeria becomes Africa's biggest economy the largest economy on the continent of Africa