World’s Youngest Female Billionaires

Katharina Andersen - $1.25 billion

Hailing from Norway, Katharina has a net worth of $1.25 billion at the young age of 21, placing her as the second-youngest billionaire in the world. Her father put 42% of the family business in her name (an investment company named Ferd) which had been a major player in the tobacco industry, and sold for $480 million.