Heiress to the L'Oréal fortune as the granddaughter of the company's founder.
Françoise Bettencourt Meyers ($99.5 billion)
Alice Walton ($64.8 billion)
Heiress to the Walmart fortune as the daughter of founder Sam Walton.
Julia Koch ($60.1 billion)
Inherited a 42% stake in Koch Industries from her late husband David Koch.
Jacqueline Mars ($39.8 billion)
Heiress to the Mars candy and food company founded by her grandfather.
Mackenzie Scott ($34.5 billion)
Acquired a 4% stake in Amazon through her divorce from Jeff Bezos.
Miriam Adelson ($33.8 billion)
Inherited her late husband Sheldon Adelson's stake in Las Vegas Sands casino company.
Rafaela Aponte-Diamant ($30.0 billion)
Co-founded the world's largest shipping company, Mediterranean Shipping Company, with her husband.
Gina Rinehart ($30.2 billion)
Inherited and expanded her father's mining company, Hancock Prospecting, in Australia.
Savitri Jindal ($29.4 billion)
Inherited the Jindal Group conglomerate from her late husband.
Abigail Johnson ($28.6 billion)
Heiress and current CEO of Fidelity Investments, founded by her grandfather.
Susanne Klatten ($24.6 billion)
Heiress to the BMW and Altana chemical company fortunes.