Stacker compiled the richest billionaires in California using data from Forbes. Net worth is as of Jan. 22, 2025.
Stacker compiled the richest billionaires in New Jersey using data from Forbes. Net worth is as of Jan. 22, 2025.
From Gilded Age tycoons to modern tech billionaires, here are the richest Americans in history, and how they built fortunes that defined their eras.
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