1) Isabel dos Santos – Net Worth: $3.3 Billion (Angola)
Source of wealth: Investments
The daughter of Angola’s president and the current richest woman in Africa. Isabel is a very successful investor; her investments include 25% stake in the Angolian mobile phone company Unitel and 25% stake in Angolian bank Banco Bic SA. She also has a few other investments which make her net worth to more than $3 billion. She is currently the richest black woman and richest woman in Africa.