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54 U.S. Families Hold Combined $1.9 Trillion Fortune, Forbes Ranking Shows
Forbes published its second ranking of multi-generational families each worth at least $10 billion. The list grew from 45 families in 2024 to 54 families in 2026, with total wealth rising nearly $600 billion in two years.
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Forbes released its ranking of America’s 54 richest multi-generational families on June 29, 2026. The combined net worth of the group reached $1.9 trillion, an increase of nearly $600 billion from the 2024 total. The cutoff for inclusion rose to $10 billion in 2024 from $1 billion in the first families list published in 2014.
All but five families on the current list are in at least their fourth generation.
The families are based in 25 states.
New York City is home to seven of the clans, while Atlanta and Chicago each host four. Ten families appear on the list for the first time. They include the Richards family tied to Southwire, the heirs of Ross Perot Sr., the Lockton family, and the Mills family linked to Medline.
The family tied to Walmart recorded the largest increase, adding an estimated $253 billion over two years to reach $520 billion. The family connected to Koch Inc. gained $41 billion, rising to $157 billion and moving from third to second place. The family behind Mars Inc.
increased its fortune by $12 billion to $129 billion. One family, the Chao clan linked to Westlake Corporation, fell below the threshold after losing $4.9 billion. The Brown family associated with Brown-Forman saw its net worth drop by $5.8 billion to $10.7 billion.
Forbes calculated fortunes using stock prices as of June 22, 2026. The ranking excludes individuals listed separately on the Forbes billionaires list and counts generations from the founding patriarch or matriarch to the youngest living descendants.
