Buffett's friend Bill Gates gets bragging rights on this list, just as he does in the magazine's latest ranking of the world's richest billionaires. The Microsoft co-founder beats Buffett by four notches, coming in at number 10 on the power list.
It's the first time Forbes has compiled this particular list. It says it used four criteria:
The magazine says its goal in compiling the list is to "expose power and not glorify it."
Who's number one? Barack Obama, the President of the United States.
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