Ranking of America’s richest families in 2026: Walmart heir tops list with wealth of $520 billion World News
America’s largest family fortunes have been built largely through businesses passed down through generations, not overnight success stories. Many of these companies remain privately owned or remain tightly controlled by the founding families, allowing wealth to be passed down while expanding into new markets. Retail, food production, finance, manufacturing, hotels and media continue to dominate the list, demonstrating that long-established businesses remain at the core of the wealth of America’s largest families. Check out the following top ten families with a combined wealth well over $1 trillion, according to Forbes 2026. While the Waltons and Mars are famous around the world, other families have amassed vast fortunes in industries that receive far less public attention. Together, these families represent decades of business growth, careful succession planning and multi-generational ownership that continue to shape the U.S. economy.
The 10 richest families in America in 2026
America’s richest families and their multi-billion dollar business empires.
walton family
Estimated net worth: $520 billionThe Waltons remain by a wide margin the richest family in the United States, with their wealth built on Walmart, the world’s largest retailer. Founded by Sam Walton in Arkansas in 1962, the company transformed the discount retail industry through its large stores and efficient supply chain. Although Walmart is now a global company with thousands of stores, members of the Walton family still own a large stake in the business. Four generations have benefited from the company’s growth, making the family once again the country’s richest in 2026.
Koch family
Estimated net worth: $157 billionThe Koch family’s fortune comes from the Koch Companies, one of the largest private companies in the United States. The company began as an oil company and has since expanded into chemicals, manufacturing, energy, commodities, paper products and numerous other industries. Because the business remains privately held, the family retains considerable control over its operations and wealth. The Koch family is headquartered in Wichita, Kansas, and its fortune has been passed down for four generations.
martian family
Estimated net worth: $129 billionThe Mars family created one of the largest privately held food companies in the world. Mars Incorporated produces the world’s best-known chocolate brands as well as pet food, snacks and other consumer products sold in dozens of countries. The company has intentionally remained private throughout its history, helping to retain family ownership for six generations. Headquartered in McLean, Virginia, it continues to oversee its operations, which have expanded well beyond the candy industry.
(Edward) Johnson Family
Estimated net worth: $69.5 billionThe Johnson family owes its fortune to Fidelity, one of the world’s largest investment management and financial services companies. Founded in Boston, the firm manages trillions of dollars on behalf of individual and institutional investors. Family leadership has been a distinguishing feature of Fidelity for decades, with four generations contributing to the company’s long-term growth. Finances remain the sole basis of family wealth.
Cargill Macmillan Family
Estimated net worth: $67.9 billionThe Cargill-McMillan family traces its fortune to Cargill, a company with strong ties to agriculture and the global food supply chain. The company operates in grain trading, food production, animal nutrition and agricultural services in several countries. Remaining privately owned has helped the family retain substantial ownership over six generations. The family’s roots have strong ties to Minneapolis, Minnesota, where Cargill established its early operations.
Pritzker family
Estimated net worth: $53.2 billionAlthough Hyatt is the name most closely associated with the Pritzker family, its wealth extends far beyond the hotel industry. The family’s investments span manufacturing, finance, technology, health care and other industries, creating one of the country’s most diversified wealth sectors. Headquartered in Chicago, the family has maintained its business interests for five generations while being active in business and philanthropy.
duncan family
Estimated net worth: $43 billionThe Duncan family’s fortune was built through energy infrastructure businesses rather than oil production itself. Its wealth is tied to a network of pipelines that transport crude oil, natural gas and related products across the United States. The family, based in Houston, Texas, has benefited from decades of growth in the energy industry. Today, this historic business empire is owned by four generations.
cathy’s family
Estimated net worth: $40.2 billionCathy’s family is best known for owning Chick-fil-A, one of the largest fast food chains in the United States. Founded by S. Truett Cathy, the business has grown steadily while remaining private and family-controlled. Unlike many restaurant companies that have expanded through public listings, Chick-fil-A has remained family-owned for four generations. The company remains headquartered in Atlanta, Georgia.
SC Johnson family
Estimated net worth: $39 billionThe SC Johnson family built their wealth from household cleaning and consumer products sold around the world. The company’s products have been used in homes for generations and have helped build a stable, global manufacturing business. Seven generations of the family have maintained ownership, making it one of the oldest family fortunes on the list. The company continues to operate from its long-term base in Racine, Wisconsin.
cox family
Estimated net worth: $38 billionThe Cox family’s wealth comes from a media and communications business that has grown for more than a century. What started as newspapers has gradually expanded to television, radio, broadband and digital services. Despite the dramatic changes in the media industry, the family continues to adapt while retaining ownership for five generations. The Cox family, based in Atlanta, Georgia, ranks among the top 10 richest families in the United States in 2026.
