Net worth: US$6.2 billion
Source of wealth: Mars Inc.
Age: 63
Mars is the great-granddaughter of Frank Mars, who founded the eponymous confectionery company in 1911. At one point, she was the chair of the board of directors. When her father passed away in 2016, she inherited an 8 per cent stake in the company, as did her three sisters, who are also included on this list.
14. Valerie Mars also has a net worth of US$6.2 billion
Net worth: US$6.2 billion
Source of wealth: Mars Inc.
Age: 61
One of the four Mars sisters, Valerie started working at Mars Incorporated in 1992 and is the vice-president of corporate development. She is also on the board of directors of Fiat Chrysler Automobiles.
13. Pamela Mars also has a net worth of US$6.2 billion
Net worth: US$6.2 billion
Source of wealth: Mars Inc.
Age: 59
One of the four Mars sisters, Pamela Mars initially joined the family business as an operations supervisor. She served as chairman of the board from 2004 to 2008.
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12. Marijke Mars is the fourth Mars sister who has Snickers confectionery bars to thank for a US$6.2 billion net worth
Net worth: US$6.2 billion
Source of wealth: Mars Inc.
Age: 55
Marijke, another Mars sister, also serves on the company's board of directors. The family has historically been known for being extremely private, though in recent years, they have started speaking out and making some media appearances.
11. Diane Hendricks is the richest self-made woman in America and has a net worth of US$6.9 billion
Net worth: US$6.9 billion
Source of wealth: ABC Supply
Age: 73
Diane Hendricks, the richest self-made woman in America, made her fortune by founding wholesale roofing distributor ABC Supply in 1982 with her husband. She has been at the helm of the company since his death in 2007 and used her wealth to revitalise Beloit, Wisconsin, where the company is based.
10. Nancy Walton Laurie, a Walmart heiress, is worth US$7.1 billion
Net worth: US$7.1 billion
Source of wealth: Walmart
Age: 68
Nancy Walton Laurie is the daughter of Bud Walton, who co-founded Walmart with his brother, Sam Walton. After her father's death in 1995, she inherited half of his stake in the company. The other half went to her sister, who is also on this list.
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9. Blair Parry-Okeden has a net worth of US$7.6 billion.
Net worth: US$7.6 billion
Source of wealth: Cox Enterprises
Age: 69
Even though she is an American citizen, Blair Parry-Okeden primarily lives in Australia. Forbes named her the richest person in Australia in 2016. She inherited a 25 per cent-stake in Cox Enterprises when her mother, Barbara Cox Anthony, died in 2007. Cox, the automotive and media company, is based in Atlanta, Georgia. Parry-Okeden is known to be private to the point of reclusiveness.
8. Ann Walton Kroenke has a net worth of US$7.9 billion
Net worth: US$7.9 billion
Source of wealth: Walmart
Age: 71
Ann Walton Kroenke is the daughter of Bud Walton, who co-founded Walmart with his brother, Sam Walton. After her father's death in 1995, she inherited half of his stake in the company. The other half went to her sister, who is also on this list.
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7. Christy Walton married into Walmart's Walton family and is now worth US$8.9 billion
Net worth: US$8.9 billion
Source of wealth: Walmart
Age: 71
Christy Walton was married to John Walton, the second-oldest child of Walmart founder Sam Walton. John died in a plane crash in 2005, leaving Christy 17 per cent of his wealth. She now uses that fortune as a philanthropist supporting land and sea conservation.
6. Abigail Johnson, the CEO of Fidelity Investments, is worth US$10.8 billion
Net worth: US$10.8 billion
Source of wealth: Fidelity Investments
Age: 58
Abigail Johnson's grandfather founded Fidelity Investments more than 70 years ago. The company currently has US$2.7 trillion in managed assets. After 26 years of working at the firm, Johnson became the CEO in 2014 and the chairman of the board in 2016. She has an estimated 24.5 per cent stake in the company.
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5. Laurene Powell Jobs and her family have a net worth of US$16.4 billion
Net worth: US$16.4 billion
Source of wealth: Apple and Disney
Age: 56
Laurene Powell Jobs and her family inherited the fortune of her husband, Steve Jobs, upon his death in 2011. At one point, she had 5.5 million shares of Apple stock and a 7.3 per cent stake in The Walt Disney Company. She has used those to fund her philanthropic efforts, specifically the creation of the Emerson Collective, an organisation dedicated to social change through education, immigration reform, media and journalism.
4. Jacqueline Mars, another member of the Mars. Inc dynasty, is worth US$24.7 billion
Net worth: US$24.7 billion
Source of wealth: Mars Inc.
Age: 80
Jacqueline Mars is the granddaughter of the founder of Mars Inc. She is said to own a third of the Snickers and M&M's confectionery empire. Another third belongs to her brother John, and the rest of the shares are split between her four nieces, who are also featured on the World's Billionaires List. She donates to educational, environmental, cultural and health-related causes.
3. MacKenzie Bezos made the Forbes ranking for the first time and is now worth $36 billion
Net worth: US$36 billion
Source of wealth: Amazon
Age: 50
MacKenzie Bezos and Amazon founder Jeff Bezos finalised their divorce in 2019 after 25 years of marriage. The settlement resulted in MacKenzie retaining 25 per cent of the couples' shares, or 4 per cent of the company. The divorce made her Amazon's second-largest individual shareholder. Last year, she signed a pledge to donate half of her fortune to charity.
2. Julia Koch and her children are worth US$38.2 billion after inheriting a stake in Koch industries
Net worth: US$38.2 billion
Source of wealth: Koch Industries
Age: 57
Julia Koch was married to industrialist and conservative donor David Koch, who died in August 2019. She and her three children inherited a 42 per cent-stake in Koch Industries.
1. Alice Walton of the Walmart dynasty has a net worth of $54.4 billion, which makes her the richest woman in the world
Net worth: US$54.4 billion
Source of wealth: Walmart
Age: 70
Alice Walton is the only daughter of Walmart founder Sam Walton. She is not involved with Walmart; she spends her fortune collecting art and breeding horses. Her cousins are also on this list. In addition to being the richest woman in the world, she is the ninth-richest person in the world.
Note: All net worths are estimates as of March 18, 2020.
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This article originally appeared on Business Insider.
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