Below we offer an alphabetical list of the top 21 billionaires, along with recent estimates of their wealth and how they made their money:
- Mukesh Ambani – $44 billion, head of India’s oil and gas corporation Reliance Industries
- Bernard Arnault – $78 billion, CEO of LVMH (Louis Vuitton, Dior, Sephora)
- Steve Ballmer – $60 billion, former Microsoft CEO, owner of NBA’s Los Angeles Clippers
- Francoise Bettencourt Meyers – $52 billion, heir to L’Oreal cosmetics fortune
- Jeff Bezos – $130 billion, Amazon.com founder & CEO
- Michael Bloomberg – $48 billion, co-founder and largest shareholder of finance company Bloomberg LP
- Sergey Brin – $57 billion, Google co-founder
- Warren Buffet – $68 billion, investments (Berkshire Hathaway CEO)
- Larry Ellison – $59 billion, founder of Oracle software
- Bill Gates – $103 billion, Microsoft co-founder
- Charles Koch – $44 billion, Koch Industries/oil and other businesses
- Julia Koch – $44 billion, Koch Industries (wife of the late David Koch)
- Jack Ma – $42 billion, founded Alibaba, largest e-commerce company in China
- Pony Ma (Ma Huateng) – $40 billion, co-founder and CEO of Chinese instant messaging service Tencent Holdings.
- Amancio Ortega – $54 billion, Inditex (Zara clothing stores)
- Larry Page – $59 billion, Google co-founder and CEO of Alphabet (Google parent company)
- Carlos Slim – $49 billion, diversified investments and company holdings
- Alice Walton – $54 billion, heir to the Walmart fortune
- Jim Walton – $55 billion, heir to the Walmart fortune ad Chairman of Arvest Bank
- Rob Walton – $55 billion, heir to the Walmart fortune and former chairman of the company
- Mark Zuckerberg – $72 billion, Facebook CEO