Here's a list of the top ten richest people in the world, nine of which are American billionaires. See Elon Musk's net worth.

Move over billionaires. The first trillionaires are on their way. Five people are expected to amass at least $1 trillion in wealth within the next decade, if current trends continue, according to ...

The tech industry leads the list of the top billionaires in the US, far outpacing the richest athletes and famous celebrities with familiar industry names such as Tesla, Facebook and Amazon.