Bill Gates
Billionaire philanthropist Bill Gates attends the World Economic Forum annual meeting in Davos, Switzerland, Jan. 19, 2017. Reuters

One of the world’s most well-known dichotomies is the rich and the poor, the haves and the have-nots, or the one percent and the 99 percent, as popularized by the Occupy Wall Street protests in 2011.

And it’s true: There’s an enormous wealth gap in the U.S. Indeed, Americans had a total of $67 trillion in 2013, and the top 10 percent of Americans owned more than three-fourths — 76 percent — of that wealth.

Read: Why Are White People Rich? New Study Debunks Myths About Individual Behavior, Personal Achievements

The families in the top 10 percent all had at least $942,000 in their name, and the average amount of wealth was $4 million per family, according to a report released by the Congressional Budget Office last year. The rest of top 50 percent of families in the U.S. had an average of $316,000 per family. That means they accounted for 23 percent of the total wealth in the U.S.

If you’re good at math, you already know what’s next: The bottom half of Americans only own 1 percent of the nation’s wealth.

Read: Is It More Expensive To Be A Woman? Amid Pink Tax Debate, UK's Tesco Chain Will Charge Less For Razors

The top ten richest people in the U.S, in contrast, were all white, billionaire businessmen in 2016, according to Forbes. The poorest among them was worth $37.5 billion.

1. Bill Gates

Co-founder of Microsoft

Net worth: $81 billion

Age: 61

2. Jeff Bezos

Founder of Amazon and owner of the Washington Post

Net worth: $67 billion

Age: 53

Jeff Bezos
Jeff Bezos, founder of Blue Origin and CEO of Amazon, speaks about the future plans of Blue Origin during an address to attendees at Access Intelligence's SATELLITE 2017 conference in Washington, D.C., March 7, 2017. Reuters

3. Warren Buffett

Chairman of Berkshire Hathaway

Net worth: $65.5 billion

Age: 86

Warren Buffett
Warren Buffett, chairman and CEO of Berkshire Hathaway, prepares to speak at the Fortune's Most Powerful Women's Summit in Washington, D.C., Oct. 13, 2015. Reuters

4. Mark Zuckerberg

Founder of Facebook

Net worth: $55.5 billion

Age: 32

Mark Zuckerberg
Facebook CEO Mark Zuckerberg is seen on stage during a town hall at Facebook's headquarters in Menlo Park, California, Sept. 27, 2015. Reuters

5. Larry Ellison

Founder of Oracle

Net worth: $49.3 billion

Age: 72

Larry Ellison
Larry Ellison, founder and former CEO of Oracle Inc. watches a training race from a motor boat ahead of the America's Cup World Series sailing competition on the Great Sound in Hamilton, Bermuda, October 16, 2015. Reuters

6. Michael Bloomberg

Founder of Bloomberg L.P. and former New York City mayor

Net worth: $45 billion

Age: 75

Michael Bloomberg
Former New York City Mayor Michael Bloomberg addresses the audience next to billionaire Carlos Slim (not pictured) during a forum in Mexico City, Mexico, Dec. 1, 2016. Reuters

7. Charles Koch

Co-owner of Koch Industries

Net worth: $42 billion

Age: 81

8. David Koch

Co-owner of Koch Industries

Net worth: $42 billion

Age: 76

David Koch
Businessman David Koch arrives at the Metropolitan Museum of Art Costume Institute Gala 2015 celebrating the opening of "China: Through the Looking Glass," in Manhattan, New York, May 4, 2015. Reuters

9. Larry Page

Co-founder of Google

Net worth: $38.5 billion

Age: 43

Larry Page
Larry Page, CEO and Co-founder of Alphabet enters Trump Tower ahead of a meeting of technology leaders with President Donald Trump in Manhattan, New York City, Dec. 14, 2016. Reuters

10. Sergey Brin

Co-founder of Google

Net worth: $37.5 billion

Age: 43

Sergey Brin
Sergey Brin, co-founder of Google, attends the Allen & Co Media Conference in Sun Valley, Idaho, July 12, 2012. Reuters