Bill Gates Richest Man in America For 20th Year, Reclaims Richest Man in the World Spot Too

Forbes' list

Bill Gates is the richest American for the 20th year in a row and has reclaimed the title of world's richest person from Mexico's Carlos Slim with a net worth of $72 billion. Warren Buffett, again number two, was the year's biggest dollar gainer, having added $12.5 billion to his fortune.