No. Name Age Nationality Net Worth (USD) Source(s) of Wealth 1 Aliko Dangote 63 Nigeria $8.3 billion Dangote Group 2 Nicky Oppenheimer & Family 74 South Africa $ 7.4 billion De Beers 3 Nassef Sawiris 59 Egypt $ 7.3 billion Orascom 4 Mike Adenuga 67 Nigeria $ 6.2 billion Globacom, Conoil 5 Johann Rupert & Family 69 South Africa $ 5.4 billion Richemont, Remgro 6 Issad Rebrab & Family 76 Algeria $ 3.9 billion Cevital 7 Mohamed Mansour 72 Egypt $ 3.3 billion Mansour Group 8 Abdulsamad Rabiu 59 Nigeria $ 3.2 billion BUA Group 9 Naguib Sawiris 65 Egypt $ 3 billion Orascom