<Tr> <Td> </Td> <Td> Has decreased from the previous ranking . </Td> </Tr> <P> In the 32nd annual Forbes list of the world's billionaires, the aggregate wealth of the top 20 richest people on Earth amounts to about 13 percent of all billionaires' fortunes combined . A record of 2,208 billionaires were in the ranking and the total wealth was $9.1 trillion, up 18% since 2017 . For the first time, Jeff Bezos was listed as the top billionaire due to Amazon's rising stock price that resulted in one person's biggest one year gain in wealth ($35 billion) since Forbes started tracking in 1987 . The U.S. continued to have the most billionaires in the world, with a record of 585, while China is catching up with 476 (when including Hong Kong, Macau and Taiwan). </P> <Table> <Tr> <Th> No . </Th> <Th> Name </Th> <Th> Net worth (USD) <P> (March 2018) </P> </Th> <Th> Age </Th> <Th> Nationality </Th> <Th> Source (s) of wealth </Th> </Tr> <Tr> <Td> 7000100000000000000 ♠ 1 </Td> <Td> Jeff Bezos </Td> <Td> $112 billion </Td> <Td> 54 </Td> <Td> United States </Td> <Td> Amazon </Td> </Tr> <Tr> <Td> 7000200000000000000 ♠ 2 </Td> <Td> Bill Gates </Td> <Td> $90 billion </Td> <Td> 62 </Td> <Td> United States </Td> <Td> Microsoft </Td> </Tr> <Tr> <Td> 7000300000000000000 ♠ 3 </Td> <Td> Warren Buffett </Td> <Td> $84 billion </Td> <Td> 87 </Td> <Td> United States </Td> <Td> Berkshire Hathaway </Td> </Tr> <Tr> <Td> 7000400000000000000 ♠ 4 </Td> <Td> Bernard Arnault </Td> <Td> $72 billion </Td> <Td> 69 </Td> <Td> France </Td> <Td> LVMH </Td> </Tr> <Tr> <Td> 7000500000000000000 ♠ 5 </Td> <Td> Mark Zuckerberg </Td> <Td> $71 billion </Td> <Td> 33 </Td> <Td> United States </Td> <Td> Facebook </Td> </Tr> <Tr> <Td> 7000600000000000000 ♠ 6 </Td> <Td> Amancio Ortega </Td> <Td> $70 billion </Td> <Td> 81 </Td> <Td> Spain </Td> <Td> Inditex, Zara </Td> </Tr> <Tr> <Td> 7000700000000000000 ♠ 7 </Td> <Td> Carlos Slim </Td> <Td> $67.1 billion </Td> <Td> 78 </Td> <Td> Mexico </Td> <Td> América Móvil, Grupo Carso </Td> </Tr> <Tr> <Td> 7000800000000000000 ♠ 8 </Td> <Td> Charles Koch </Td> <Td> $60 billion </Td> <Td> 82 </Td> <Td> United States </Td> <Td> Koch Industries </Td> </Tr> <Tr> <Td> 7000800000000000000 ♠ 8 </Td> <Td> David Koch </Td> <Td> $60 billion </Td> <Td> 77 </Td> <Td> United States </Td> <Td> Koch Industries </Td> </Tr> <Tr> <Td> 7001100000000000000 ♠ 10 </Td> <Td> Larry Ellison </Td> <Td> $58.5 billion </Td> <Td> 73 </Td> <Td> United States </Td> <Td> Oracle Corporation </Td> </Tr> </Table> <Tr> <Th> No . </Th> <Th> Name </Th> <Th> Net worth (USD) <P> (March 2018) </P> </Th> <Th> Age </Th> <Th> Nationality </Th> <Th> Source (s) of wealth </Th> </Tr>

Who has highest net worth in the world