10. Larry Page (United States), Google – US$ 50.8 Billion

Lawrence “Larry” Page (born March 26, 1973) is an American computer scientist and Internet entrepreneur who co-founded Google with Sergey Brin. Page is the chief executive officer of Alphabet Inc. (Google’s parent company). Page is the inventor of PageRank, a well-known search ranking algorithm for Google. Page received the Marconi Prize in 2004 with Brin.
9. Michael Bloomberg (United States), Bloomberg LP – US$ 55.5 Billion

Michael Bloomberg (born February 14, 1942) is an American businessman and politician. Bloomberg is one of the founders, CEO, and owner of Bloomberg L.P., a global financial services, software and mass media company that bears his name, and is notable for its Bloomberg Terminal, a computer software system providing financial data widely used in the global financial services industry. Bloomberg served as the 108th Mayor of New York City, holding office for three consecutive terms, beginning his first in 2001.
8. Mark Zuckerberg (United States), Facebook – US$ 62.3 Billion

Mark Zuckerberg (born May 14, 1984) is an American technology entrepreneur. He is known for co-founding and leading Facebook as its chairman and chief executive officer.
7. Larry Ellison (United States), Oracle – US$ 62.5 Billion

Lawrence “Larry” Ellison (born August 17, 1944) is an American businessman who is a co-founder and the executive chairman and chief technology officer of Oracle Corporation. In addition to his work at Oracle, Ellison competes in yachting through Oracle Team USA, and is a licensed aircraft pilot who owns two military jets. Ellison is a non-executive director of Tesla, Inc.
6. Amanicio Ortega (Spain), ZARA – US$ 62.7 Billion

Amancio Ortega Gaona (born 28 March 1936) is a Spanish billionaire businessman. He is the founder and former chairman of Inditex fashion group, best known for its chain of Zara clothing and accessories shops.
5. Carlos Slim Helú (Mexico), Telmex – US$ 64 Billion

Carlos Slim Helu (born 28 January 1940) is a Mexican business magnate and engineer. He derived his fortune from his extensive holdings in a considerable number of Mexican companies through his conglomerate, Grupo Carso.
4. Bernard Arnault (France), LVMH – US$ 76 Billion

Bernard Arnault (born 5 March 1949) is a French business magnate and art collector. Arnault is the chairman and chief executive officer (CEO) of LVMH, the world’s largest luxury-goods company.