Here is the list of world’s richest and top billionaires:

1 William Gates III United States Age 51 Net worth 56.0
2 Warren Buffett United States Age 76 Net worth 52.0
3 Carlos Slim Helu Mexico Age 67 Net worth 49.0
4 Ingvar Kamprad & family Sweden Age 80 Net worth 33.0
5 Lakshmi Mittal India Age 56 Net worth 32.0
6 Sheldon Adelson United States Age 73 Net worth 26.5
7 Bernard Arnault France Age 58 Net worth 26.0
8 Amancio Ortega Spain Age 71 Net Worth 24.0 Spain
9 Li Ka-shing Hong Kong Age 78 Net Worth 23.0
10 David Thomson & family Canada Age 49 Net worth 22.0