At least, that's what Forbes' 2019 report on the 20 richest people in the world seems to indicate.
Seven of the names on the list got their money from major companies in the retail space. The only industry that fared better was tech, which boasted 10 billionaires.
From Jeff Bezos to the surviving children of Sam Walton, check out which billionaires owe their vast fortunes to retail:
7. S. Robson "Rob" Walton
Rick T. Wilking / Stringer / Getty Images
Final net worth : $44.3 billion
Origin of wealth : Walmart
6. Alice Walton
Rick T. Wilking / Stringer / Getty Images
Final net worth : $44.4 billion
Origin of wealth : Walmart
5. Jim Walton
Rick T. Wilking /Stringer/Getty
Final net worth : $44.6 billion
Origin of wealth : Walmart
4. Francoise Bettencourt Meyers
Final net worth : $49.3 billion
Origin of wealth : L'Oral
3. Amancio Ortega
Final net worth : $62.7 billion
2. Bernard Arnault
AP Photo/Michel Euler, Pool
Final net worth : $76 billion
1. Jeff Bezos
Final net worth : $131 billion
Origin of wealth : Amazon
SEE ALSO: The incredible career of MacKenzie Bezos, an acclaimed writer who's been with billionaire husband Jeff Bezos since Amazon's first days
DON'T MISS: Jeff Bezos thinks there's not enough humans in the world for all the potential jobs, according to tech investor Sam Altman
SEE ALSO: A look inside the 25-year marriage of the richest couple in history, Jeff and MacKenzie Bezos who met at work, were engaged in 3 months, and together own more land than almost anyone else in America