Meet the world's newest wealth class: 'Superbillionaire'

(KTLA) -- It’s a new category of the ultra-rich: the Superbillionaire.According to The Wall Street Journal, there are now two dozen people in the world whose net worth is at least $50 billion. So, who's on the list?Obviously, Elon Musk is on top. He has a net worth of about $419 billion, which is—wait for it—more than two million times as much as the typical American household. Also on the list is Jeff Bezos, who is worth $264 billion; Mark Zuckerberg, who is worth $221 billion