The billionaires club has never been bigger—or richer. Here’s who’s up, who’s down, who’s off the list and why it matters more than ever. The world’s billionaires have always been rich and ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. New York City billionaire John Catsimatidis has long been immersed in ...

The U.S. led the global billionaire increase, with 92 new self-made billionaires representing wealth of $180 billion, according to UBS.

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Rajeev Dhir is a writer with 10+ years of experience as a journalist with a background in broadcast, print, and digital newsrooms. Bloomberg / Contributor / Getty Images The United States had the ...