Every year, Forbes ranks the wealthiest young entrepreneurs, heirs, and self-made disruptors who have amassed fortunes. From tech innovators to crypto pioneers and next-gen business moguls, these young billionaires are reshaping industries and redefining success.

Here are the 21 youngest members of the World’s Billionaires list, all of whom are 30 and under, ranked from youngest to oldest from Forbes 2025 billionaire list

The youngest on the list is 19 year old German Johannes von Baumbach with a net worth of $5.4 billion.
Johannes is the youngest heir to the German pharmaceutical company Boehringer Ingelheim. The family is notoriously publicity-shy, and it’s unknown whether he or his three siblings have any role at the company.

The drugmaker has been led by a family member—Johannes’ uncle, Hubertus von Baumbach—since 2015.

Next on the list is 20 year old Brazilian Lívia Voigt de Assis with a net worth of $1.2 billion with source of wealth from Industrial machinery.

Voigt is the youngest billionaire heir of WEG cofounder Werner Ricardo Voigt and owns a 3.1% stake in the company, like her sister. She is currently studying psychology at university. After Forbes named her the world’s youngest billionaire last year, she shared on social media that she wished to avoid attention and would keep a low profile online.

In third is 20 year old Italian Clemente Del Vecchio who has a net worth of $6.6 billion. Like his siblings, he owes his wealth to his 12.5% ownership of the holding company Delfin, which has a stake in EssilorLuxottica, the eyeglass company behind shade offerers like Arnette, Ray-Ban and Persol.

He has no role at EssilorLuxottica. He and his brother Luca (above) are the two children his late father had with the company’s former head of investor relations, Sabina Grossi.

21 year old South Korean Kim Jung-youn is in fourth place with a source of wealth from online gaming and a net worth of $1.3 billion. Though she doesn’t have a role in the company, she and her sister hold approximately 9% stakes in the game developer Nexon inherited through their late father. Gamers across 190-plus countries operate Nexon’s slate of over 80 live games, including hits like MapleStory, KartRider and Dungeon & Fighter.

22 year old German Kevin David Lehmann is fifth on the list with a net worth of $3.6 billion with a source of wealth from drugstores. Lehmann inherited his fortune after his father quietly passed him a 50% stake in dm-drogerie markt, Germany’s leading drugstore chain, in 2017, when Lehmann was only 14. His dad first invested in the brand in 1974, shortly after it was founded in 1973; it’s since grown to own some 4,120 stores across Europe. Neither father nor son is involved with the company operations.

German Franz von Baumbach, 23 years of age, is next with a net worth of $5.4 billion. Franz is the second-youngest heir to the Ingelheim-based German drugmaker Boehringer Ingelheim. Little is known about him or his siblings.

23 year old French Remi Dassault with a net worth of $2.8 billion is also on the list. Dassault’s great-grandfather was a Holocaust survivor who invented a propeller used by the French Air Service in World War I, and founded the company that would go on to become the aerospace giant Dassault Aviation. Remi owns an estimated 4.1% stake in that business, which he inherited upon his father’s death in 2021, as well as an estimated 2.5% stake in the software firm Dassault Systèmes.

Maxim Tebar of Germany with a net worth of $1.1 billion is next on the list. The 24 year old owes his fortune to a stake in Stihl, one of the world’s leading manufacturers of chainsaws and other handheld power equipment. The company was founded in 1926 by Andreas Stihl, who built the first two-person electric chainsaw. Now it’s grown to have a presence in over 160 countries, though it remains entirely family-owned.

Katharina von Baumbach from Germany is next with a net worth of $5.4 billion. The 25 year old Katharina is the third-youngest inheritor of the German drugmaker Boehringer Ingelheim fortune. With three brothers, she’s the only woman among its young heirs.

26 year old Zahan Mistry from Ireland comes next with a net worth of $4 billion. Mistry’s father’s death left him and his brother (Firoz) with 4.6% stakes in Tata Sons. Now he and Firoz are helping to refinance the debts of the construction company Shapoorji Pallonji Group, in which they inherited 25% ownership.

In March, they secured $3.3 billion in credit for the SP Group from a slate of five private funds, including Ares Management Corp and Davidson Kempner Capital Management.

27 year old German Maximilian von Baumbach is next with a net worth of $5.4 billion. While its heirs rank among the world’s youngest billionaires, the German drugmaker Boehringer Ingelheim is rather ancient—it was founded in 1885, and its entrepreneurial roots stretch back even further, to 1817. The company is behind four of the 30-and-under fortunes on this list; Maximilian is the oldest among them.

He is followed by 27 year old Brazilian Dora Voigt de Assis with a net worth of $1.2 billion. She and her sister own 3.1% of the Brazilian electrical motor producer WEG, which their late grandfather Werner Ricardo Voigt cofounded in 1961. The siblings have no roles at the company, which produces more than 21 million electric motors every year and exports them to more than 135 countries.

28 year old American Alexandr Wang with a net worth of $2 billion is next. Wang is the world’s youngest self-made billionaire thanks to his artificial intelligence unicorn Scale AI, which raised $1 billion at a $13.8 billion valuation in May. Forbes estimates that he has a 14% stake in the company, which labels the data used to train the AI for large language models (including ChatGPT) and self-driving cars. He cofounded Scale, which now counts Microsoft, General Motors and Meta among its customers, with Lucy Guo in 2016, after dropping out of MIT following his freshman year.

He is followed by 28 year old Firoz Mistry from Ireland. He and his brother inherited 4.6% stakes in the $165 billion (revenue) Mumbai-based multinational conglomerate Tata Sons after their father died in a car accident in 2022. The group, which owns 30 companies spanning everything from cars to jewelry, was founded in 1868 and currently has a presence across six continents and over 100 countries.

Alexandra Andresen from Norway is next with a net worth of $1.9 billion. The 28 year old Andresen sits with her sister on the board of the investment company Ferd, which is based in the Oslo suburb of Bærum, and also owns a 42% stake. She is a three-time junior Norwegian champion in dressage horse riding but no longer competes due to spinal health problems. She’s still heavily involved with horses and both owns and runs the Oslo horse-breeding stable Andresen Dressage.

29 year old Italian Leonardo Maria Del Vecchio with a net worth of $6.6 billion is next on the list. After his father’s death in 2022, Del Vecchio—and each of his six half-siblings and his mother—inherited a 12.5% stake in the family holding company that owns nearly a third of EssilorLuxottica, the world’s largest eyeglasses business. Del Vecchio is EssilorLuxottica’s chief strategy officer as well as the president of the iconic brand Ray-Ban.

29 year old Ed Craven from Australia is next with a net worth of $2.8 billion. Craven and Bijan Tehrani cofounded the online casino Stake.com, which managed to generate $4.7 billion last year even though crypto gambling is generally unavailable in the UK, U.S. and parts of Europe. Stake’s popularity has blown up since the pandemic thanks in part to livestreamers filming themselves gambling on it. Now the company says it’s involved in some 2% to 4% of all Bitcoin transactions.

29 year old Katharina Andresen from Norway with a net worth of $2 billion is next on the list. Andresen’s fortune originally stems from the 150-year-old cigarette empire her father sold in 2005. After the sale, the family refocused on its investment firm Ferd, which has portfolios in real estate, finance and a variety of private Nordic companies. Like her sister, she owns a 42% stake in Ferd and sits on the board. She’s also a strong supporter of LGBTQ+ rights and is an advisor for Oslo Pride.

30 year old German Sophie Luise Fielmann concludes the list with a net worth of $2.8 billion. Sophie and her older brother Marc inherited much of their late father Günther Fielmann’s fortune when he died last year. Fielmann founded Fielmann AG in 1972 with the goal of bringing affordable eyeglasses to Germany. Marc co-led the company with his dad starting in 2018 and fully took over the following year. Sophie owns a third of its stock but has no role at the firm.