1. Aliko Dangote

•  Net Worth: $20.8 B                                                                      
•  Source of Wealth: cement, sugar, flour
•  Citizen: Lagos, Nigeria
•  Age: 58

Not only he is the richest man in Africa but also Aliko Dangote is the richest man in Nigeria. He has a fortune which has been estimated by the Forbes to be around $16 billions which is more than anyone in the African continent. Not even a single person in the continent has a wealth which is more than $10 billions let alone $16 billions. Aliko Dangote is the President and CEO of Dangote Group which is entirely owned by him. He controls his highly diversified businesses through the Dangote Group. Some of Dangote’s business include Cement manufacturing, sugar refining and manufacturing of food products like pasta, noodles, etc. Dangote has also invested billions of dollars for creation of largest oil refinery in Nigeria and whole of Africa. His subsidiary company Dangote Cements is the largest cement manufacturer in Africa.

2. Johann Rupert & family

•  Net Worth: $7.9 B                                                                      
•  Source of Wealth: luxury goods
•  Citizen: Cape Town, South Africa
•  Age: 63

Son of late billionaire Anton Rupert, Johann is a citizen of South Africa. He inherited the vast fortune of his father and later diversified it and increased it. He holds majority of stakes in Richemont group which manufactures luxury goods and owns watchmakers IWC, Vacheron Constantin SA, Piaget and Montblanc. Recently in May 2013, he announced temporary retirement for 12 months from all his corporate commitments. Johann Rupert is second richest person in Africa after Aliko Dangote and he is the richest man in South Africa. His company designs, manufactures, distributes and sells premium jewelery, watches, leather goods, writing instruments, shotguns, rifles, clothing and accessories.

3. Nassef Sawiris

•  Net Worth: $5.9 B                                                                      
•  Source of Wealth: construction
•  Citizen: Cairo, Egypt
•  Age: 52

Nassef Sawiris, chief executive of Orascom Construction Industries (OCI), has had an eventful year. In January OCI received commitments for $2 billion in investment. The Sawiris family is the richest family in Africa as it containes 3 billionaires Onsi, Nassef and Naguib. Their combined net worth is more than any other family in Africa. Nassef heads the Orascom Construction Industries which is a part of Orascom Group founded by his father Onsi. Though born in Egypt, he received his education from America. He is an alumnus of University of Chicago and holds degree of BA in Economics. He is Africa’s third richest man.

4. Nicky Oppenheimer & family

•  Net Worth: $6.6 B                                                                      
•  Source of Wealth: diamond
•  Citizen: Johannesburg, South Africa
•  Age: 68

Belonging to the country of South Africa, Nicky Oppenheimer is a diamond magnate in Africa. He is of German Jewish descent from his father’s side. He is the Chairman of company named De Beers in which he owns stakes. De Beers is an umbrella company owning several small diamond companies in South Africa which are involved in mining, shaping and promotion of diamonds in the world. Oppenheimer funded the construction of Tswalu Kalahari Reserve which is the largest game reserve in Africa.

5. Mike Adenuga

•  Net Worth: $4.6 B                                                                      
•  Source of Wealth: telecom, oil
•  Citizen: Lagos, Nigeria
•  Age: 60

Nicknamed 'The Guru' in his native Nigeria, Mike Adenuga built his fortune in oil production and telecom. His mobile telecom outfit, Globacom, has over 25 million subscribers in Nigeria and the Republic of Benin. He also owns Conoil Producing, a large indigenous oil exploration company. Adenuga studied in the United States and went into business for himself in Nigeria, starting by running his mother's sawmill business, distributing lace and Coca-Cola. He hit the big time when the military regime of former President Ibrahim Babangida awarded him lucrative construction contracts and his first oil prospecting license, with which he became the first Nigerian to strike oil in commercial quantities.

6. Christoffel Wiese

•  Net Worth: $3.8 B                                                                      
•  Source of Wealth: retailing
•  Citizen: Cape Town, South Africa
•  Age: 72

Another one from South Africa, Christoffel Wiese has made his wealth entirely on his own self. A self-made rich man from Africa, he is the largest stakeholder in retailing company Shoprite which is largest in Africa and also in his own country.  he holds degree of BA, LLB and Doctorate from University of Stellenbosch. He is an alumnus of University of Capetown.

7. Othman Benjelloun

•  Net Worth: $2.8 B                                                                      
•  Source of Wealth: banking
•  Citizen: Casablanca, Morocco
•  Age: 81

Born in fes, Morocco, Othman Benjelloun received his education from Switzerland. His father was an investor holding stakes in insurance companies. Othamn inherited those stakes and expanded the banking business of his family. he holds stakes in Bank of Africa and BMCE bank. Benjelloun is the wealthiest man in Morocco with his net worth and seventh wealthiest in Africa.

8. Patrice Motsepe

•  Net Worth: $2.7 B                                                                      
•  Source of Wealth: Mining
•  Citizen: Johannesburg, South Africa
•  Age:51

South Africa's first and only black billionaire, mining magnate Patrice Motsepe earned himself another first in January when he announced that he would become the first African to sign Bill Gates' and Warren Buffett's Giving Pledge. His publicly traded mining conglomerate, African Rainbow Minerals (ARM) has interests in platinum, nickel, chrome, iron, manganese, coal, copper and gold. He also holds a stake in Sanlam, a publicly traded financial services company. Born in the sprawling black township of Soweto and then trained as a lawyer, he became the first black partner at the Bowman Gilfillan law firm in Johannesburg and then started a contracting business doing mine scut work. He bought low-producing gold mine shafts in 1994 and turned them profitable. Motsepe benefited from South Africa's Black Economic Empowerment (BEE) laws, which mandate that companies be at least 26% black-owned in order to get a government mining license.

9. Naguib Sawiris

•  Net Worth: $2.7 B                                                                      
•  Source of Wealth: Telecom                                                                              
•  Citizen: Cairo, Egypt
•  Age: 59

Brother of Nassef Sawiris and a member of famous Egyptian Sawiris family, Naguib is Executive Chairman of Orascom Telecom Holding. This telecom company is one of the several companies under the umbrella of Orascom group which was founded by Naguib’s father. Naguib is the second richest man in Egypt and ninth overall in continent of Africa.

10. Mohamed Mansour

•  Net Worth: $2.1 B                                                                      
•  Source of Wealth: diversified
•  Citizen: Africa
•  Age: 65

Another Egyptian billionaire on this top 10 list, Mohamed Mansour holds an engineering degree from North Carolina University of America and management degree from Auburn University. He has a diversified business which includes investments in retail, automobiles, banking and foods.