America's 54 Richest Families Are Worth $1.9 Trillion

Key Points:

• Forbes celebrates America's largest multi-generational family fortunes as the nation approaches its 250th anniversary, highlighting 54 families with combined wealth of $1.9 trillion, up nearly $600 billion from two years ago.
• The Walton family, founders of Walmart, remain the richest with an estimated $520 billion fortune, growing by $253 billion in two years, followed by the Koch family at $157 billion and the Mars family at $129 billion.
• Ten new families entered the 2026 ranking, including the Richards family of Southwire ($13.1 billion), the heirs of Ross Perot, Sr. ($12.8 billion), and the Mills family of Medline ($29.6 billion), while only one family dropped out due to a decline in fortune.
• Most families on the list are in at least their fourth generation, with some like the Du Ponts in their ninth, and they represent diverse industries from retail and chemicals to sports franchises and media.
• New York City leads as the hometown for the most decabillionaire families (seven), followed by Atlanta and Chicago (four each), showcasing the geographic diversity of America's wealthiest family dynasties.