Bill Gates, Carlos Slim Helu, Amancio Ortega, Warren Buffett, Larry Ellison, Charles Koch, David Koch, Sheldon Adelson, Christy Walton and Jim Walton were the 10 richest people in the world in 2014, according to Forbes. Bill Gates tops the list with an estimated net worth of $76 billion.
2014 marked the 15th time in 20 consecutive years that Bill Gates has been ranked the richest person in the world. He is the founder of Microsoft.
Carlos Slim Helu's net worth is estimated at $72 billion. He is a Mexican telecommunications mogul whose chief sources of wealth are the companies Telmex, America Movil and Grupo Carso.
Amancio Ortega, founder of Zara, placed third for the second year in a row, clocking in at $64 billion. American investor Warren Buffett made it into the top five for the 20th consecutive year at $58.2 billion. Oracle founder Larry Ellsion came in fifth place at $48 billion.
The Koch brothers, Charles and David, tied for sixth place at $40 billion apiece. Charles is the CEO of Koch Industries, while David serves as executive vice president. Sheldon Adelson, CEO of Las Vegas Sands, placed eighth at $38 billion.
Christy Walton is the richest woman in the world, with $36.7 billion. She is the widow of John T. Walton, whose fortune she inherited in 2005. Her brother-in-law, Jim Walton, rounds out the top-10 list with $34.7 billion. John and Jim's father, Sam Walton, was the founder of Wal-Mart.