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The is generally considered to be John D. Rockefeller in 1916, though some argue it was Henry Ford in 1925.

Fast-forward some 100 years to 2021: As the COVID-19 pandemic continued to rage, a record-breaking globally, growing the previous year's number by 30%.

While the United States has the most billionaires of any country, on their feelings about the billionaire class. According to data from the , the nation became somewhat more critical of billionaires between 2020 and 2021.

Although support for individual billionaires like Bill Gates is relatively strong, many Americans view —as a group rather than as individuals—negatively. Meanwhile, Amazon CEO Jeff Bezos is projected to become the by 2026.

Some billionaires refuse to be tied to just one industry. Diversified fortunes are spread across holdings, including manufacturing, media, finance, and beyond. This mix of assets provides both stability and enormous upside, creating billionaires whose wealth spans multiple sectors.

Â鶹ԭ´´ compiled the richest billionaires in diversified using data from Forbes. Data is as of September 23, 2025.

#20. Andrew Tisch
- Net worth: $1.5 billion
- Source: Loews
- Lives in: New York, New York

#19. Magic Johnson
- Net worth: $1.5 billion
- Source: Basketball, investments
- Lives in: Los Angeles, California

#18. Liesel Pritzker Simmons
- Net worth: $1.5 billion
- Source: Hotels, investments
- Lives in: Concord, Massachusetts

#17. Art Levinson
- Net worth: $1.6 billion
- Source: Genentech, Apple
- Lives in: Hillsborough, California

#16. Steven Tisch
- Net worth: $1.6 billion
- Source: Loews, New York Giants
- Lives in: Beverly Hills, California

#15. Laurie Tisch
- Net worth: $1.6 billion
- Source: Loews, New York Giants
- Lives in: New York, New York

#14. James Tisch
- Net worth: $1.7 billion
- Source: Loews
- Lives in: New York, New York

#13. Matthew Pritzker
- Net worth: $1.7 billion
- Source: Hotels, investments
- Lives in: Chicago, Illinois

#12. Kevin Marchetti
- Net worth: $1.9 billion
- Source: Diversified
- Lives in: San Francisco, California

#11. Adam Forste
- Net worth: $1.9 billion
- Source: Diversified
- Lives in: Wilson, Wyoming

#10. David Hoffmann
- Net worth: $2.0 billion
- Source: Executive search, investments
- Lives in: Naples, Florida

#9. Wilma Tisch
- Net worth: $2.0 billion
- Source: Loews
- Lives in: New York, New York

#8. Jonathan Tisch
- Net worth: $2.2 billion
- Source: Loews, New York Giants
- Lives in: New York, New York

#7. Thomas Duff
- Net worth: $4.1 billion
- Source: Tires, diversified
- Lives in: Hattiesburg, Mississippi

#6. James Duff
- Net worth: $4.1 billion
- Source: Tires, diversified
- Lives in: Hattiesburg, Mississippi

#5. Phil Ruffin
- Net worth: $4.7 billion
- Source: Casinos, real estate
- Lives in: Las Vegas, Nevada

#4. Edythe Broad & family
- Net worth: $7.0 billion
- Source: Homebuilding, insurance
- Lives in: Los Angeles, California

#3. Elaine Marshall & family
- Net worth: $30.9 billion
- Source: Koch Inc.
- Lives in: Dallas, Texas

#2. Charles Koch & family
- Net worth: $73.8 billion
- Source: Koch, Inc.
- Lives in: Wichita, Kansas

#1. Julia Koch & family
- Net worth: $81.2 billion
- Source: Koch, Inc.
- Lives in: New York, New York