As of early 2025, one of the richest women in this age bracket is Kim Jung-min, who, along with her sister Kim Jung-youn, is one of the youngest billionaires in the world.
Guo's estimated net worth stands at $1.3 billion—driven largely by her 5% stake in Scale AI, a data-labelling startup currently valued at $25 billion. While Swift still tops the chart as the world's richest female musician with $1.6 billion, Guo now claims the title of the youngest self-made woman billionaire globally.
Alexandr Wang—who became the world's youngest self-made billionaire at 24—is now, at 28, running one of the most ambitious AI efforts in Silicon Valley.
📊 From an FBI raid to becoming the world's youngest self-made billionaire at 27 — Shayne Coplan built Polymarket into a $1B+ prediction-market giant despite the company never making a profit.
He Divorced His Wife On Her Graduation Day—Unaware She Was About To Close An $800M Deal
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Elon Musk, CEO of Tesla, is the richest person in the world, with a net worth of $619 billion. After Musk is Larry Page, co-founder of Alphabet (Google).
Nala, a Siamese–Tabby mix, is widely recognized as the world's richest cat, with an estimated net worth of ₹839 crore ($100 million). Adopted from a Los Angeles shelter in 2010, she rose to global fame after her owner launched her Instagram account in 2012.
As an 11-year-old, Sarah Rector became the richest Black child in America, but danger in Oklahoma led to her family moving to Kansas City. Rector's story, long forgotten from the history books, is now the subject of the new movie “Sarah's Oil.”
Princess Charlotte, the daughter of Prince William and Kate Middleton, is worth significantly more to the United Kingdom (UK) economy than even her older brother, Prince George, the future king. A video explaining that Princess Charlotte is the richest child in the world quickly went viral.
Sun is also reported to be a majority shareholder in two crypto exchanges: HTX and Poloniex. His HTX holding is likely to comprise a significant portion of his overall net worth. His verified on-chain holdings of $2.1 billion confirm him as a billionaire.
Ms Andresen, who was educated in the UK and has competed as a professional dressage rider, attained the record for youngest billionaire at the age of 10 years old, when she received her share of Ferd.
