A new infographic put together by All Finance Tax highlights the richest people in the world along with some interesting facts such as. that eight of the ten richest billionaires in the world are Americans, and two of those ten people are women. Most interesting is the fact that most billionaires, such as Bill Gates, Warren Buffett and Larry Ellison, became rich on their own, while only a minority inherited their wealth. For more interesting facts about the richest people in the world, read the article.