Photos: Forbes top 20 billionaires
Microsoft co-founder and Berkshire Hathaway board member Bill Gates smiles during an interview with Liz Claman on the Fox Business Network in Omaha, Neb., May 5, 2014. (AP Photo/Nati Harnik)
Every year, Forbes puts out a list that ranks the world’s top billionaires.
Click here for a look at the top 20.