1. Walton Family: $93 billion
The first Wal-Mart opened in Rogers, Arkansas in 1962. Just over 50 years later the Walton family assets include over 10,000 stores in 27 countries. For some perspective on the wealth of the Walton family: The combined net worth of 48.8 million low income households matches the worth of just six billionaire members of the Walton family. Christy Walton alone is worth $35.4 billion and is the richest woman in the world. Christy is the daughter-in-law of Wal-Mart founder Sam Walton.