Warren Buffett made $12 billion in 2016 and isn't the world's richest person

The rich got richer this year as the 500 wealthiest people in the world made a combined $237 billion in 2016. The world's richest person remains Bill Gates, who brought in $10 billion this year, bringing his total net worth up to $91.5 billion. Warren Buffett made $12 billion in 2016 and reclaimed the title of world's second richest person, with a net worth of $74.1 billion. Many billionaires saw their fortunes rise due to Donald Trump's presidential run, with most foreseeing a change of regulations that will profit American industry.