The world’s youngest billionaire in 2026 is Johannes von Baumbach, a 20-year-old German heir to pharmaceutical giant Boehringer Ingelheim, worth an estimated $6.6 billion. The most notable newcomers, however, are Surya Midha, Brendan Foody, and Adarsh Hiremath — three 22-year-old American founders of AI recruiting startup Mercor, each worth $2.2 billion, who became the youngest self-made billionaires ever recorded by Forbes, surpassing Mark Zuckerberg’s age when he first hit billionaire status. Most of the others on the list inherited their fortunes through family businesses in pharmaceuticals, eyewear, industrial machinery, and gaming.
Every year, Forbes tallies the small handful of people on Earth who reach ten-figure net worth before they’re even old enough to rent a car in some U.S. states. In 2026, that list splits almost evenly down a familiar line: family fortune versus founder’s fortune. Here’s who made it, how they got there, and what actually separates “young billionaire” from “self-made billionaire” — a distinction that matters a lot more than the headline number suggests.
World’s Youngest Billionaires 2026: Full Ranked List
| Rank (by age) | Name | Age | Net Worth | Country | Industry | Self-Made or Inherited |
|---|---|---|---|---|---|---|
| 1 | Johannes von Baumbach | 20 | $6.6B | Germany | Healthcare (Boehringer Ingelheim) | Inherited |
| 2 | Amelie Voigt Trejes | 20 | $1.1B | Brazil | Industrial Machinery (WEG) | Inherited |
| 3 | Clemente Del Vecchio | 21 | $6.8B | Italy | Eyewear (EssilorLuxottica) | Inherited |
| 4 | Lívia Voigt de Assis | 21 | $1.4B | Brazil | Industrial Machinery (WEG) | Inherited |
| 5 (tie) | Adarsh Hiremath | 22 | $2.2B | USA | AI Software (Mercor) | Self-made |
| 5 (tie) | Brendan Foody | 22 | $2.2B | USA | AI Software (Mercor) | Self-made |
| 5 (tie) | Surya Midha | 22 | $2.2B | USA | AI Software (Mercor) | Self-made |
| 8 | Kim Jung-youn | 22 | $1.7B | South Korea | Online Gaming (Nexon/NXC) | Inherited |
Ranked by age, ascending. Net worth figures via Forbes, as compiled in the sourced Boardroom graphic.
Johannes von Baumbach: The World’s Youngest Billionaire
At 20, Johannes von Baumbach holds the title of the world’s youngest billionaire overall, with a fortune tied to Boehringer Ingelheim, the largest privately owned pharmaceutical company on Earth. Founded in 1885 in Ingelheim, Germany, the company produces treatments for conditions including COPD, type 2 diabetes, and blood clotting disorders, employs roughly 53,000 people, and remains fully controlled by the Boehringer, Liebrecht, and von Baumbach families rather than public shareholders. Johannes is one of four von Baumbach siblings who each hold a stake in the family business; his uncle, Hubertus von Baumbach, currently serves as the company’s chairman. True to the family’s famously low profile, there are no widely circulated public photographs of Johannes, and little is known about his personal life or plans within the company.
Clemente Del Vecchio: The Eyewear Heir
Clemente Del Vecchio, 21, inherited his fortune following the 2022 death of his father, Leonardo Del Vecchio, the Italian billionaire who built EssilorLuxottica into the world’s largest eyewear company — the parent of brands including Ray-Ban and Oakley. Clemente holds an estimated 12.5% stake in Delfin, the family holding company that controls not just EssilorLuxottica but a range of other major European investments, which is why his net worth exposure extends beyond eyewear alone. (Note: reported figures for Clemente’s net worth have varied by source and date, from roughly $4.8 billion in 2024 to $5.7–6.8 billion through 2025–2026, reflecting both EssilorLuxottica’s share price movement and periodic Forbes revaluations.)
The Voigt Family: Brazil’s Industrial Machinery Heirs
Two of the eight — Amelie Voigt Trejes (20, $1.1B) and Lívia Voigt de Assis (21, $1.4B) — represent the family behind WEG, one of Latin America’s largest electrical motor and industrial equipment manufacturers, founded by their grandfather Werner Ricardo Voigt. Both are university-age heirs holding individual shareholder stakes in the company rather than executive roles; earlier Forbes reporting on the broader Voigt family has noted that some members remain university students without formal board positions, underscoring how much of this wealth is generational rather than operational.
Kim Jung-youn: South Korea’s Gaming Fortune
Kim Jung-youn, 22, inherited a substantial stake in NXC, the parent company of Nexon — the South Korean gaming publisher behind globally popular titles including MapleStory — following the death of the company’s founder. Her $1.7 billion fortune places her among a small handful of Asian entrants on this year’s youngest-billionaires list, in a category still dominated numerically by European heirs.
The Real Story: Mercor’s Self-Made Trio
The most talked-about names on this list aren’t heirs at all. Surya Midha, Brendan Foody, and Adarsh Hiremath — all 22, all worth $2.2 billion — co-founded Mercor, an AI-powered recruiting platform that helps Silicon Valley’s largest AI labs source and evaluate technical talent, in 2023. The three met through their Bay Area high school debate team, later became Thiel Fellows together, and built Mercor into a company privately valued at $10 billion by late 2025 — pushing each founder’s roughly 22% stake past the billion-dollar mark.
What makes their inclusion genuinely notable, rather than just another AI startup story, is the record they broke: Forbes named them the youngest self-made billionaires ever recorded, surpassing Mark Zuckerberg’s age when he first crossed the billionaire threshold roughly two decades earlier. Midha, a few months younger than his co-founders, holds the title outright as the single youngest self-made billionaire in the world — a distinction he took from Scale AI’s Alexandr Wang on the previous year’s list. “It’s definitely crazy,” Foody told Forbes. “It feels very surreal. Obviously beyond our wildest imaginations.” Foody had dropped out of Georgetown University shortly after founding Mercor, having already built two earlier software startups before it.
Self-Made vs. Inherited: Why the Distinction Matters
Of the eight names on this list, only three — the Mercor trio — built their fortunes from scratch. The other five inherited theirs through family businesses that, in several cases, predate their birth by more than a century: Boehringer Ingelheim (founded 1885), EssilorLuxottica’s predecessor businesses, and WEG (founded 1961) all represent multi-generational industrial wealth passed down through ownership structures rather than personal entrepreneurship.
This distinction is exactly what Forbes tracks separately in its broader “35 under 30” billionaire count for 2026: of 35 billionaires globally under age 30, worth a combined $92.4 billion, only 12 were self-made — meaning the overwhelming majority of young billionaire wealth worldwide still comes from inheritance, not founding a company. The Mercor trio’s presence on this list is part of what makes AI, alongside long-standing family industrial and pharmaceutical dynasties, one of the only paths currently producing genuinely new billionaire fortunes before age 25.
Net worth figures are estimates compiled by Forbes and are subject to change based on private company valuations, public share price movement, and periodic revaluation. This article is for informational purposes and does not constitute financial or investment advice.
Frequently Asked Questions
Who is the world’s youngest billionaire in 2026?
Johannes von Baumbach, a 20-year-old German heir to pharmaceutical company Boehringer Ingelheim, is the world’s youngest billionaire in 2026, with an estimated net worth of $6.6 billion.
Who is the youngest self-made billionaire in 2026?
Surya Midha, 22, co-founder of AI recruiting startup Mercor, is the youngest self-made billionaire in the world as of 2026, according to Forbes, holding the title alongside co-founders Brendan Foody and Adarsh Hiremath, who are each a few months older.
What company made the Mercor founders billionaires?
Mercor, an AI-powered recruiting platform that helps AI labs evaluate and hire technical talent, reached a private valuation of $10 billion in 2025. Each of its three 22-year-old co-founders holds an estimated 22% stake, making them each worth approximately $2.2 billion.
How many billionaires under 30 are there in 2026?
Forbes counted 35 billionaires under age 30 worldwide in 2026, with a combined net worth of $92.4 billion. Of those, only 12 were self-made — the rest inherited their fortunes.
Is Clemente Del Vecchio the youngest billionaire in the eyewear industry?
Clemente Del Vecchio, 21, inherited a roughly 12.5% stake in Delfin, the holding company controlling EssilorLuxottica (parent of Ray-Ban and Oakley), following his father Leonardo Del Vecchio’s death in 2022. He is among the youngest billionaires globally, though his exact net worth has been reported differently across sources and periods, generally ranging from roughly $4.8 billion to $6.8 billion.
Where does the “world’s youngest billionaires” ranking data come from?
Net worth figures are compiled by Forbes as part of its ongoing real-time billionaires tracking. This list’s specific age-ranked format was popularized in a widely shared graphic credited to Boardroom, using Forbes’ underlying net worth estimates.
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