Dr Mike Adenuga Is Now Africa's 2nd Richest Man - Forbes

There are 24 African billionaires this year, down from 28 in 2015. And according to Forbes, Nigerian businessman Mike Adenuga is the biggest gainer among the African billionaires. He is now worth $10 billion, up from $4 billion a year ago.

The significant jump in Adenuga’s fortune according to Forbes is attributable to new information on the value of his telecom, oil and real estate holdings. Angolan investor Isabel dos Santos and oil tycoon Folorunsho Alakija of Nigeria still remain the only two female billionaires on the continent. See the top 23 richest people in Africa after the cut...

1. Aliko Dangote, Nigerian 
   Net Worth: $14.4 billion
   Source Of Wealth: Cement, flour, sugar, salt
2. Mike Adenuga, Nigerian

Net Worth: $10 billion
Source Of Wealth: Telecom, Oil, Real Estate

3. Nicky Oppenheimer, South African

Net Worth: $6.6 billion

Source Of Wealth: Diamonds

4. Christoffel Wiese, South African

Net Worth: $6.2 billion
Source Of Wealth: Retailing

5. Johann Rupert, South African

Net Worth: $5.3 billion
Source Of Wealth: Luxury Goods

6. Nassef Sawiris, Egyptian 
   Net Worth: $4.1 billion
   Source Of Wealth: Construction, Chemicals
7. Nathan Kirsch, Swazi

Net Worth: $3.7 billion
Source Of Wealth: Retail

8. Isabel dos Santos, Angolan

Net Worth: $3.1 billion
Source Of Wealth: Investments

9. Issad Rebrab, Algerian

Net Worth: $3.1 billion
Source of Wealth: Food

10. Naguib Sawiris, Egyptian

Net Worth: $3 billion
Source Of Wealth: Telecom

11. Mohammed Mansour, Egyptian

Net Worth: $2.5 billion
Source Of Wealth: Diversified

12. Othman Benjelloun, Moroccan

Net Worth: $1.9 billion
Source Of Wealth: Banking, Insurance

13. Mohamed Al Fayed, Egyptian

Net Worth: $1.9 billion
Source Of Wealth: Retailing

14. Femi Otedola, NigerianNet Worth: $1.85 billion
15. Youssef Mansour, Egyptian

Net Worth: $1.73 billion
Source: Diversified

16. Folorunsho Alakija, Nigerian

Net Worth: $1.55 billion
Source Of Wealth: Oil

17. Allan Gray, South African

Net Worth: $1.49 billion
Source Of Wealth: Money Management

18. Koos Bekker, South African

Net Worth: $1.47 billion
Source Of Wealth: Media, Investments

19. Yasseen Mansour, Egyptian

Net Worth: $1.39 billion
Source Of Wealth: Diversified
20. Aziz Akhannouch, Moroccan
Net Worth: $1.25 billion
Source Of Wealth: Petroleum, Diversified

21. Patrice Motsepe, South African

Net Worth: $1.15 billion
Source Of Wealth: Mining

22. Abdulsamad Rabiu, Nigerian

Net Worth: $1.1 billion
Source Of Wealth: Diversified

23. Onsi Sawiris, Egyptian

Net Worth: $1.09 billion
Source Of Wealth: Construction, Telecom
24. Mohammed Dewji, Tanzanian
Net Worth: $1.09 billion
Source Of Wealth: Diversified