More than 1,000 billionaire entrepreneurs are expected to pass an estimated $5.2 trillion to their children over the next 20 to 30 years, UBS says. Getty Images
More than 1,000 billionaire entrepreneurs are expected to pass an estimated $5.2 trillion to their children over the next 20 to 30 years, UBS says. Getty Images

Majority of billionaires accumulated wealth last year through inheritance