Top 10 Richest People in the U.S.

Bill Gates

U.S. wealth rank: 10

Overall wealth rank: 16

Net worth: $57.4 billion

Bill Gates spent the first part of his life amassing one of the world's greatest fortunes and now seems intent on giving it away

Elon Musk

U.S. wealth rank: 1

Overall wealth rank: 1

Net worth: $255.1 billion

Elon Musk, the cofounder and CEO of electric vehicle maker Tesla and CEO of SpaceX

Jeff Bezos

U.S. wealth rank: 2

Overall wealth rank: 4

Net worth: $138.6 billion

Jeff Bezos amassed a fortune from Amazon, the e-commerce powerhouse he started out of his garage in 1994

Jim Walton

U.S. wealth rank: 10

Overall wealth rank: 16

Net worth: $57.4 billion

The youngest son of Walmart founder Sam Walton, Jim Walton turned his seat on the company's board over to his own son

Larry Ellison

U.S. wealth rank: 5

Overall wealth rank: 7

Net worth: $89.7 billion

Larry Ellison still owns more than one-third of Oracle, the software giant he co-founded

Larry Page

U.S. wealth rank: 6

Overall wealth rank: 9

Net worth: $85.1 billion

Like Sergey Brin, Larry Page was pursuing an advanced computer science degree at Stanford when he co-founded Google in 1998

Michael Bloomberg

U.S. wealth rank: 9

Overall wealth rank: 12

Net worth: $76.8 billion

Michael Bloomberg built his enormous fortune from the ground up

Sergey Brin

U.S. wealth rank: 7

Overall wealth rank: 10

Net worth: $81.7 billion

Sergey Brin is no longer the president of Google's parent company Alphabet

Steve Ballmer

U.S. wealth rank: 8

Overall wealth rank: 11

Net worth: $77.9 billion

Stanford dropout Steve Ballmer joined Microsoft in 1980 as employee No

Warren Buffett

U.S. wealth rank: 4

Overall wealth rank: 6

Net worth: $92.4 billion

Warren Buffett's Berkshire Hathaway owns dozens of companies and brands, many of which