The majority of the billionaires on the list are successful self-starters, they just built their business empires in technical school, finance, fashion, and sports. a number of transmitted stakes in their family's firms by their own efforts.

Jeff Bezos | CEO, Amazon

Net worth: $7.67 Trillion

#Sheldon Adelson

Age: 83, Net worth:$30.4 Billion, Country: USA

#Li Ka-shing

Age: 89, Net worth: $31.2 Billion, Country: Hong Kong

#Wang Jianlin

Age: 62, Net worth: $31.3 Billion, Country: China

#Alice Walton| Wal-Mart heir, Chairman, Crystal Bridges Museum of American Art

Age:67 Net worth: $33.8 billion Country: USA

Jim Walton | Wal-Mart heir; Chairman and CEO, Arvest Bank Group, Inc.

Age:60, Net worth: $34 Billion, Country: USA

#Rob Walton | Chairman, Wal-Mart Stores

Age: 72, Net worth: $34.1 Billion, Country: USA

Sergey Brin | President, Google

Age: 43, Net worth: $39.8 Billion, Country: USA

#Larry Page | CEO, Google

Age: 43, Net worth: $39.8 Billion, Country: USA

#Bernard Arnault | Chairman and CEO, Louis Vuitton

Age:68, Net worth: $41.5 Billion, Country: France

Michael Bloomberg | CEO, Bloomberg

Age: 75, Net worth: $47.5 Billion, Country: USA

David Koch | Executive Vice President, Koch Industries

Age:77, Net Worth: $48.3 Billion, Country: U.S.A

Larry Ellison | Co-founder, Oracle

Age:72, Net Worth: $52.2 Billion, Country: USA

#Mark Zuckerberg (U.S.)Co-founder and CEO, Facebook Age:33 Net worth: $56 billion

Amancio Ortega | Co-founder, Zara

Age: 81Net worth: $71.3 billion Country: Spain

#Warren Buffett | CEO, Berkshire Hathaway

Age: 85 Net worth: $75.6 billion Country: USA

#Bill Gates (U.S.) Co-founder, Microsoft

Age: 60 Net worth: $86 billion

He has held the No. 1 spot as the world's Number One richest person for four years in a row, and for 18 out of the past 23 years.