Caroline Hagen Kjos
Unlike other heiresses, Caroline Hagen Kjos took over their family business. Now 32 years old, she is the chairman of the budget grocery chain. She owns over 97% of it and has a sweet $2.8 billion net worth.
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Gina Rinehart
Gina Rinehart has a $6.06 billion net worth. The Hancock Prospecting chairwoman inherited 76.6% of the company founded by her dad Lang Hancock. It is a mineral extraction and exploration company in Australia with some of the biggest land leases in the Western part of the country.