Forbes is out with its annual list of the wealthiest people on the planet, and there are some shakeups in the top 20.
Microsoft founder Bill Gates reclaimed his spot at the top of the list, adding $US9 million to his fortune in the past year.
Tech tycoons continued to dominate the top 20, with Amazon founder Jeff Bezos and Google co-founders Larry Page and Sergey Brin appearing on the list. Others are familiar faces, but saw a substantial increase in wealth over the previous year.
You can see Forbes’ complete billionaires list here; we’re taking a closer look at the top 20.
Net worth: $31 billion
No change in net worth from 2013; dropped 12 spots on the Forbes list
The richest man in Asia, Ka-Shing currently serves as chairman of Hutchison Whampoa, a conglomerate with interests in shipping and construction. He also holds a major real estate portfolio.
Net worth: $32 billion
Gained $US6.8 million since 2013; jumped 1 spot on the Forbes list
Bezos is the founder and CEO of e-commerce giant Amazon.
Disclosure: Bezos is an investor in Business Insider.
Net worth: $33.5 million
Gained $US4.5 million since 2013; dropped 5 spots on the Forbes list
Arnault and his family hold a 46 per cent stake in LVMH Moet Hennessy Louis Vuitton, the world's largest maker of luxury goods.
Net worth: $34.2 billion
Gained $US8.1 million since 2013; jumped 3 spots on the Forbes list
A member of the founding family of Walmart, Walton has served as the head of the retail giant's board since 1992.
Net worth: $34.5 billion
Gained $US4.5 million since 2013; dropped 2 spots on the Forbes list
Bettencourt is the heiress to the L'Oreal fortune, and while she's still technically Europe's richest woman, a judge in October 2012 ordered that the elderly billionaire's fortune be placed under the legal control of her daughter and grandsons.
Net worth: $34.7 billion
Gained $US8 million since 2013; jumped 4 spots on the Forbes list
Another heir to the Walmart fortune, Jim is Chairman and CEO of the family's Arvest Bank, which has branches in Arkansas, Kansas, Oklahoma and Missouri.
Net worth: $36.7 billion
Gained $US8.5 million since 2013; jumped 2 spots on the Forbes list
Christy Walton inherited her husband John Walton's fortune when he passed away in 2005. John Walton's father was Walmart founder Sam Walton.
Net worth: $US38 billion
Gained $US11.5 million since 2013; jumped 7 spots on the Forbes list
Adelson, the casino tycoon who is chairman and CEO of Las Vegas Sands Corps., made headlines in last year for his eight-figure donations to the Super PACs supporting Newt Gingrich.
Net worth: $40 billion
Gained $US6 million since 2013; no change on the Forbes list
David, along with brother Charles, is a co-owner and the executive vice president of Koch Industries, one of the largest privately-held companies in the world.
Net worth: $72 billion
Gained $US1 million since 2013; dropped 1 spot on the Forbes list
Slim Helu came from humble beginnings. His father was an immigrant shoe maker and Slim built his fortune from almost nothing. And although he has billions now, friends say he wears cheap suits and prefers pen and paper to fancy computers.
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