Iris Fontbona

Net worth: $23.1 billion Source of wealth: Mining Citizenship: Chile

#10

MacKenzie Scott

Net worth: $24.4 billion Source of wealth: Amazon Citizenship: U.S.

#9

Gina Rinehart

Net worth: $27 billion Source of wealth: Mining Citizenship: Australia

#8

Susanne Klatten

Net worth: $27.4 billion Source of wealth: BMW, pharmaceuticals Citizenship: Germany

#7

Rafaela Aponte-Diamant

Net worth: $31.2 billion Source of wealth: Shipping Citizenship: Switzerland

#6

Miriam Adelson

Net worth: $35 billion Source of wealth: Casinos Citizenship: U.S.

#5

Jacqueline Mars

Net worth: $38.3 billion Source of wealth: Candy, pet food Citizenship: U.S.

#4

Alice Walton

Net worth: $56.7 billion Source of wealth: Walmart Citizenship: U.S.

#3

Julia Koch

Net worth: $59 billion Source of wealth: Koch Industries Citizenship: U.S.

#2

Francoise Bettencourt Meyers

Net worth: $80.5 billion Source of wealth: L'Oréal Citizenship: France

#1

The World's 10 Youngest Billionaires 2023