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MacKenzie Bezos made her first appearance on the list of America's wealthiest women in 2019.
- Forbes released its 2019 edition of the Forbes 400 list, which ranks the wealthiest people in America. Individuals need a minimum net worth of $2.1 billion to make the list.
- Many of the women on the list are related; several, like MacKenzie Bezos and Julia Koch, are newcomers.
- The 15 richest women in the US are worth a collective $262.4 billion.
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America's wealthiest women are philanthropic businesswomen and heiresses and, in many cases, related.
Forbes just released its annual Forbes 400 list, which highlights the net worths of America's richest individuals. Altogether, the members of this exclusive club are worth $2.96 trillion.
The 15 richest women alone are collectively worth $262.4 billion.
Read more: Meet the 15 youngest, richest American billionaires
Multiple members of the Mars family and the Walton family are featured on the list, indicating just how dynastic wealth is in the US. Meanwhile, women like MacKenzie Bezos and Julia Koch are making their first appearance at the top of the rankings.
Here are the 15 richest women in the US. They are ranked in ascending order of wealth and their net worths are estimates as of October 2, 2019.