NAME NET WORTH AGE COUTRY SOURCE
1 Bill Gates $86.0 billion Increase 61 United States Microsoft
2 Warren Buffett $75.6 billion Increase 86 United States Berkshire Hathaway
3 Jeff Bezos $72.8 billion Increase 53 United States Amazon.com
4 Amancio Ortega $71.3 billion Increase 80 Spain Inditex, Zara
5 Mark Zuckerberg $56.0 billion Increase 32 United States Facebook
6 Carlos Slim $54.5 billion Increase 77 Mexico América Móvil, Grupo Carso
7 Larry Ellison $52.2 billion Increase 72 United States Oracle Corporation
8 Charles Koch $48.3 billion Increase 81 United States Koch Industries
9 David Koch $48.3 billion Increase 76 United States Koch Industries
10 Michael Bloomberg$47.5 billion Increase 75 United States Bloomberg L.P.