1. Carlos Slim Helu & family 69 billion

2. Bill Gates 61 billion

3. Warren Buffett 44 billion

4. Bernard Arnault 41 billion

5. Amancio Ortega 37 billion

There are 2 newcomers to the list this year:  Elon Musk, co-founder of Paypal and Sara Blakely, who created the slimming undergarment SPANX.

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