AFRICANGLOBE - According to data from the World Bank, for 2015, the gross domestic product (GDP) of the top 10 African economies represents about 78.2% of the overall GDP of Africa. The top five economies are Nigeria, Egypt, South Africa, Algeria and Angola, representing about 63% of the African GDP. From 2005 till 2015, compared to the US dollar, the local currencies of these respective countries have depreciated by 47%, 33%, 101%, 37% and 38%.