Net worth: $20.1 billion
Net Worth Last Calculated: September 2010
Source: Walmart, inherited
Age: 63 ,Marital Status: Married , Children: 4
Education: BA/BS, University of Arkansas
Jim runs family’s Arvest bank. While Wal-Mart’s shares are nearly flat over past year, the 3 children of the founder collected $1.2 billion in dividends. A former clerk, Sam Walton (d.1992) founded Bentonville store with brother James 1962; today Wal-Mart has sales of $405 billion, employs more than 2.1 million people.