10. Bernard Arnault & family

  

• Net Worth: $29 B                                                                       
• Source of Wealth: LVMH, inherited and growing                      
• Citizen: France
• Age: 64

CEO of LVMH and Chairman of Christian Dior, Bernard Arnault belonging to France happens to occupy the 4th position in the list. With a net worth of over $41 billion, Bernard has become the fourth richest person in the world.

All these people have risen to the top owing to the extreme hard work put in by them during various phases of their career.

9. Liliane Bettencourt & family

• Net Worth: $30 B                                                                       
• Source of Wealth: L'Oreal, inherited                                          
• Citizen: France 
• Age: 91

Liliane Henriette Charlotte Schueller, married name Bettencourt is a French heiress, socialite and businesswoman She is one of the principal shareholders of L’Oréal and, and as of March 2013 she was listed as the wealthiest woman in the world with an estimated net worth of US $30 billion.

8. Li Ka-shing

 

 

• Net Worth: $31 B                                                                       
• Source of Wealth: Diversified                                                      
• Citizen: Hong Kong
• Age: 85

Sir Ka-shing Li  is considered to be the richest person in all of Asia. As of March 2013, according to Forbes, he is the eighth richest person in the world with an estimated wealth of US $31 billion. He is the Chairman of the Board of Hutchison Whampoa Limited (HWL) and Cheung Kong Holdings as of 2008; through them, he is the world’s largest operator of container terminals and the world’s largest health and beauty retailer

6. David Koch

   

• Net Worth: $36 B                                                                       
• Source of Wealth: diversified, inherited and growing                 
• Citizen: United States
• Age: 73

David Hamilton Koch  is an American businessman, philanthropist, political activist, and chemical engineer. He is a co-owner (with older brother Charles) and an executive vice president of Koch Industries- the second-largest privately held company in the United States

6. Charles Koch

• Net Worth: $36 B                                                                   
• Source of Wealth:  diversified, inherited and growing                 
• Citizen: United States
• Age: 78

The world's richest brothers head the nation's second biggest private company with $115 billion in sales. Koch Industries owns firms that are involved in refinery, chemicals and financial trading, among many others. They're well known as megadonors for their conservative and libertarian political agenda and to the arts and medicine, including Lincoln Center and Memorial Sloan-Kettering Cancer Center.

5. Larry Ellison

 

• Net Worth: $41 B                                                                       
• Source of Wealth: Oracle                                                             
• Citizen: United States
• Age: 69

CEO and co founder of Oracle Cooperation, Larry Ellison with a net worth of $39.5 billion is the fifth richest person in the world. Ellison collects houses on Malibu's Carbon Beach and also owns of 98% of Hawaii's Lanai island. In his quest for youth he has donated $445 million to his medical foundation to support research on aging and age-related diseases.

4. Warren Buffett

•  Net Worth: $53.5 B                                                                       
•  Source of Wealth: Berkshire Hathaway                                       
•  Citizen:  United States
•  Age: 83 

 
Neither age nor prostate cancer slows Warren Buffett down: a year after completing radiation treatment, the world's fourth richest man ($58.5 billion) is still doing huge deals. His Berkshire Hathaway teamed up with 3G Capital to pick up iconic ketchup maker H.J. Heinz for $23.2 billion and a Berkshire subsidiary is buying Nevada's NV Energy for $5.6 billion. He gave away another $2 billion of Berkshire stock to the Gates Foundation in July, bringing his lifetime giving to nearly $20 billion.

3. Amancio Ortega

• Net Worth: $57 B                                                                       
• Source of Wealth: Zara                                                                
• Citizen: Spain
• Age: 77

Spain's Amancio Ortega is the year's biggest gainer, up $19.5 billion. He moves into the top three among the world's richest for the first time. He stepped down as chairman of Inditex, best known for its Zara brand, in 2011, but still owns nearly 60% of its shares, which soared 50% year-over-year on record profits. Ortega also has a real estate portfolio, much of it acquired at bargain prices during the financial downturn, estimated to be worth more than $4 billion.

In December 2012, Spanish media reported that Ortega paid half a million dollars to prevent paparazzi from publishing photos of his daughter Marta and her equestrian husband Sergio Alvarez on their honeymoon in Cambodia and Australia. Marta, who works for Inditex, is reportedly expecting a baby boy.

2. Bill Gates

• Net Worth: $72 B                                                                       
• Source of Wealth: Microsoft                                                         
• Citizen: United States
• Age:58

William Henry “Bill” Gates III was born on October 28, 1955.He is an American business mogul, depositor, humanitarian, and instigator. Gates is the previous CEO and contemporary chairman of Microsoft, the software company he established with Paul Allen. He is constantly categorized among the world’s wealthiest natives and was the wealthiest overall from 1995 to 2009 excluding 2008, when he was ranked third. He has also published several books. Bill Gates is one of the best known entrepreneurs of the private computer insurgency. In the later stages of his profession, Gates has tracked a number of benevolent endeavors bequeath large amounts of money to various altruistic organizations and systematic delve into agenda through the Bill and Melinda Gates

1. Carlos Slim Helu & family

•  Net Worth: $73 B                                                                      
•  Source of Wealth: Telecom
•  Citizen: Mexico
•  Age: 73  

Carlos Slim Helu instinctive on January 28, 1940 is a Mexican business entrepreneur and patron who is the richest man in the world for the second year in a paddle. He is the chairman and principal supervisory of telecommunications troupe Telmex and America Movil and has general assets in other Mexican business through his multinational, Grupo Carso SAB, as well as corporation wellbeing elsewhere in the world. This in 2010 was Latin America’s prime mobile phone carter description for around US$49 billion of  Slim’s affluence by the end of 2010.