· the 25-richest families in the world have a combined net worth of $1. 1 trillion. Jan 5 , 2026 · the bettencourt meyers family ($91. 8 billion ) françoise bettencourt meyers is considered the wealthiest woman in the world and is the heiress to the fortune first amassed by the founder of. 5 billion net worth. Walton family (united states) family net worth: Walton family estimated wealth: $513. 4 billion the walton family stands as the world’s wealthiest dynasty, controlling a fortune built on the walmart retail empire. $432. 4 billion business: It is now the worlds largest retailer by revenue with sales of $500 billion from its nearly 12,000 stores worldwide. · the walton family is the wealthiest in not just the u. s. , but the world, with a combined $247 billion net worth. The walton family is the wealthiest family in the world, with a combined $ 151. · sam walton founded walmart in 1962. Key family members jim, rob, and alice walton each hold fortunes near $75 billion , ranking among the top billionaires worldwide. Walmart the walton family reclaimed the position as the richest globally after a brief period in 2023. Walton s descendants have a combined.