AP Photo/Michel Euler, Pool
The average age for becoming a millionaire is 37.
The average mark for becoming a billionaire is 51.
The gap between becoming a millionaire and billionaire has ranged from one year to 26 years.
Some people say that making the first million is the hardest.
Others, like oil tycoon T. Boone Pickens have quipped that the first billion is a “helluva lot harder”.See the rest of the story at Business Insider
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