August 24, 2016 at 1:33 pm #6225 Adetiloye AdetounParticipant Aliko Dangote is definitely the richest man in Africa. In fact, he is the world richest black person. He made his fortune from manufacturing and trading of cement, sugar and flour. His company, Dangote Cement, is the largest manufacturer of cement in Africa. Dangote refinery will start operation in 2016. Dangote net worth is $15.7 billion while Al-Amoudi net worth is $10.9 billion.