<P> The rankings are published annually in March, so the net worth listed are snapshots taken at that time . These lists only show the top 10 wealthiest billionaires . </P> <P> On the 30th anniversary of the Forbes' list of the world's billionaires, for the fourth year in a row, Bill Gates was named the richest man in the world . The number of billionaires increased 13% to 2,043 from 1,810 in 2016; this is the biggest change in over 30 years of tracking billionaires globally . This is the first time after 12 years that Carlos Slim was not within the top five . The U.S. continues to have the most billionaires in the world, with a record of 565 . China has 319 (not including Hong Kong or Macau), Germany has 114, and India has the fourth most with 101; India has reached over 100 billionaires for its first time . </P> <Table> <Tr> <Th> No . </Th> <Th> Name </Th> <Th> Net worth (USD) </Th> <Th> Age </Th> <Th> Nationality </Th> <Th> Source (s) of wealth </Th> </Tr> <Tr> <Td> 7000100000000000000 ♠ 1 </Td> <Td> Gates, Bill Bill Gates </Td> <Td> $86.0 billion </Td> <Td> 61 </Td> <Td> United States </Td> <Td> Microsoft </Td> </Tr> <Tr> <Td> 7000200000000000000 ♠ 2 </Td> <Td> Buffett, Warren Warren Buffett </Td> <Td> $75.6 billion </Td> <Td> 86 </Td> <Td> United States </Td> <Td> Berkshire Hathaway </Td> </Tr> <Tr> <Td> 7000300000000000000 ♠ 3 </Td> <Td> Bezos, Jeff Jeff Bezos </Td> <Td> $72.8 billion </Td> <Td> 53 </Td> <Td> United States </Td> <Td> Amazon.com </Td> </Tr> <Tr> <Td> 7000400000000000000 ♠ 4 </Td> <Td> Ortega, Amancio Amancio Ortega </Td> <Td> $71.3 billion </Td> <Td> 80 </Td> <Td> Spain </Td> <Td> Inditex, Zara </Td> </Tr> <Tr> <Td> 7000500000000000000 ♠ 5 </Td> <Td> Zuckerberg, Mark Mark Zuckerberg </Td> <Td> $56.0 billion </Td> <Td> 32 </Td> <Td> United States </Td> <Td> Facebook </Td> </Tr> <Tr> <Td> 7000600000000000000 ♠ 6 </Td> <Td> Slim, Carlos Carlos Slim </Td> <Td> $54.5 billion </Td> <Td> 77 </Td> <Td> Mexico </Td> <Td> América Móvil, Grupo Carso </Td> </Tr> <Tr> <Td> 7000700000000000000 ♠ 7 </Td> <Td> Ellison, Larry Larry Ellison </Td> <Td> $52.2 billion </Td> <Td> 72 </Td> <Td> United States </Td> <Td> Oracle Corporation </Td> </Tr> <Tr> <Td> 7000800000000000000 ♠ 8 </Td> <Td> Koch, Charles Charles Koch </Td> <Td> $48.3 billion </Td> <Td> 81 </Td> <Td> United States </Td> <Td> Koch Industries </Td> </Tr> <Tr> <Td> 7000800000000000000 ♠ 8 </Td> <Td> Koch, David David Koch </Td> <Td> $48.3 billion </Td> <Td> 76 </Td> <Td> United States </Td> <Td> Koch Industries </Td> </Tr> <Tr> <Td> 7001100000000000000 ♠ 10 </Td> <Td> Bloomberg, Michael Michael Bloomberg </Td> <Td> $47.5 billion </Td> <Td> 75 </Td> <Td> United States </Td> <Td> Bloomberg L.P. </Td> </Tr> </Table> <Tr> <Th> No . </Th> <Th> Name </Th> <Th> Net worth (USD) </Th> <Th> Age </Th> <Th> Nationality </Th> <Th> Source (s) of wealth </Th> </Tr>

List of the most richest man in the world