Katharina Andresen – $ 1.4 Billion

Katharina Gamlemshaug Andresen is the sister of Alexandra Andersen. She is one of the Norwegian heiresses of Ferd who also got shares worth $1.8 billion when she was 20 years old. This was during the time she was working on getting a bachelor’s degree in Amsterdam.

In 2017, this billionaire had to pay more than $25,000 after getting caught for DUI. Her car insurance probably increased after this incident. But it’s not a problem for this 24-year-old since she has a net worth of $1.4 billion and is currently the third-youngest billionaire in the world.