Net worth: $2.0 billion
Age: 55
Source of wealth: pharmaceuticals
Age: 72
Source of wealth: frozen foods
Age: 66
Source of wealth: real estate
Net worth: $2.1 billion
Age: 67
Source of wealth: investments
Net worth: $2.9 billion
Age: 71
Source of wealth: palm oil
Age: 61
Net worth: $3.1 billion
Net worth: $3.3 billion
Source of wealth: hotels
Age: unknown
Source of wealth: restaurants
Net worth: $3.4 billion
Age: 76
Source of wealth: electronics
Net worth: $3.7 billion
Age: 80
Net worth: $6.5 billion
Net worth: $7.1 billion
Age: 91
Source of wealth: banking
Net worth: $10.5 billion
Age: 93
Source of wealth: paints
Net worth: $12.2 billion
Net worth: $12.3 billion
Age: 38
Source of wealth: Facebook
Net worth: $16.4 billion
Age: 50