The Top 10 Billionaire Cities in 2020 In 2020, the world gained 493 new billionaires - that’s one every 17 hours. For the last seven years, New York City has been home to more billionaires than any other city in the world. However, last year marked a monumental shift in the status quo. Beijing has unseated the Big Apple, and is now home to 100 billionaires. That’s one more...