Forbes magazine reveals the top 10 richest billionaires in the world for 2016. Their 30th annual list features 1,810 billionaires around the world with a total net worth of almost $6.5 trillion. This year marked the first time the average net worth of a billionaire dropped .. to $3.6 billion, down $300 million from last year. The U.S. has 540 billionaires.
9. David Koch (tied)
Net Worth: $39.6 billion, source of Wealth: Koch Industries
Citizenship: United States
9. Charles Koch (tied)
Net Worth: $39.6 billion, source of Wealth: Koch Industries
Citizenship: United States
8. Michael Bloomberg
Net Worth: $40 billion, source of Wealth: Bloomberg LP
Citizenship: United States
7. Larry Ellison
Net Worth: $43.6 billion, source of Wealth: Oracle
Citizenship: United States
6. Mark Zuckerberg
Net Worth: $44.6 billion, source of Wealth: Facebook
Citizenship: United States
5. Jeff Bezos
Net Worth: $45.2 billion, source of Wealth: Amazon.com
Citizenship: United States
4. Carlos Slim Helu
Net Worth: $50 billion, source of Wealth: telecom
Citizenship: Mexico
3. Warren Buffett
Net Worth: $60.8 billion, source of Wealth: Berkshire Hathaway
Citizenship: United States
2. Amancio Ortega
Net Worth: $67 billion, source of Wealth: Zara
Citizenship: Spain
1. Bill Gates
Net Worth: $75 billion, source of Wealth: Microsoft
Citizenship: United States