Ray Dalio, founder of investment firm Bridgewater Associates, speaking at the WEF in Davos, Switzerland, on January 22, 2019.

Ray Dalio, founder of the biggest hedge fund in the world, was the highest-paid hedge fund manager in the world last year.

According to Institutional Investor's annual Rich List, the Bridgewater Associates founder made $2 billion in 2018. That's up from $1.3 billion in 2017. Dalio earned about $5.5 million every day, Institutional Investor calculated.

Dalio, who is one of the wealthiest people in the world, recently declared increasing wealth inequality a national emergency. In an interview with CNBC's "Squawk Box" on April 8, he said, "We have to make it a fair game."