1. Francoise Bettencourt Meyers Net worth: $74.8 billion Source of wealth: L'Oréal Country: France

2. Alice Walton Net worth: $65.3 billion Source of wealth: Walmart Country: U.S.

3. Julia Koch Net worth: $60 billion Source of wealth: Koch Industries Country: U.S.

4. MacKenzie Scott Net worth: $43.6 billion Source of wealth: Amazon Country: U.S.

5. Jacqueline Mars Net worth: $31.7 billion Source of wealth: Candy, pet food Country: U.S.

6. Gina Rinehart Net worth: $30.2 billion Source of wealth: Mining Country: Australia

7. Miriam Adelson Net worth: $27.5 billion Source of wealth: Casinos Country: U.S.

8. Susanne Klatten Net worth: $24.3 billion Source of wealth: BMW, pharmaceuticals Country: Germany

9. Iris Fontbona Net worth: $22.8 billion Source of wealth: Mining Country: Chile

10. Abigail Johnson Net worth: $21.2 billion Source of wealth: money management Country: U.S.