Thomas Kirk Kristiansen’s net worth over time
Only dates with a published estimate are shown. Nothing is filled in between. Tap or hover a bar to see the source.
See the numbers as a table
| Date | Estimate | Source |
| 2019 | $4.7 billion | Forbes World's Billionaires List 2019 |
| 2020 | $6.1 billion | Forbes World's Billionaires List 2020 |
| 2021 | $8.7 billion | Forbes World's Billionaires List 2021 |
| 2022 | $8.2 billion | Forbes World's Billionaires List 2022 |
| 2023 | $6.7 billion | Forbes World's Billionaires List 2023 |
| 2024 | $6.5 billion | Forbes World's Billionaires List 2024 |
| 2025 | $7.2 billion | Forbes World's Billionaires List 2025 |
| 2026 | $8.3 billion | Forbes World's Billionaires List 2026 |
| Oct 2026 | $7.9 billion | Forbes Real-Time Billionaires · Forbes real-time estimate |
Where the money comes from
These are the main sources of wealth named in the reporting we cite. No published source breaks the total into exact amounts, so we do not show percentages.
Thomas Kirk Kristiansen’s fortune in real-life terms
Based on the Forbes Real-Time Billionaires estimate above. Median full-time U.S. pay is $65,416 a year ($1,258 a week, BLS, Q2 2026), before taxes. Typical (median) U.S. family net worth is $216,100 (Federal Reserve, 2025 Survey of Consumer Finances).
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Thomas Kirk Kristiansen has an estimated net worth of $7.9 billion, according to Forbes Real-Time Billionaires, Thomas Kirk Kristiansen profile (figures as of October 20, 2026). That is up from $4.7 billion in 2019.
Thomas Kirk Kristiansen is a Danish fourth-generation owner of Lego. He is one of the family members who split ownership of a 75% stake in the company with his father, Kjeld, and his sisters, Agnete and Sofie. He took an active role in the business over time, joining the board of the Lego Foundation in 2007. In 2016, he became deputy chairman after succeeding his father in that board role.
His wealth is tied to the family’s Lego stake and related holdings. In 2020, he was appointed chairman of the board of directors, and on May 1, 2023, his father passed the title of chairman of Kirkbi and the Lego Group to him. The family business traces back to 1932, when his great-grandfather Ole began making wooden toys, then moved into plastic in the 1940s. Forbes put his net worth at $7.9 billion in October 2026.
How Thomas Kirk Kristiansen makes money
Kristiansen’s fortune comes from Lego, the toy company his family has controlled for generations. He, his sisters, and his father split ownership of a 75% stake in the business. Forbes notes that the company had $8 billion in sales. His role is not just passive ownership, either. Over the years, he moved into senior leadership posts at both the Lego Group and Kirkbi, the family holding company.
His business position grew step by step. He joined the board of the Lego Foundation in 2007, became deputy chairman in 2016, and was appointed chairman of the board of directors in 2020. In 2023, he also took over as chairman of Kirkbi and the Lego Group. The family has another major asset outside toys as well: about half of Merlin Entertainments, which it took private with a consortium in 2019.
What Forbes says about his fortune
Forbes has tracked big swings in Kristiansen’s wealth in recent years. It estimated his net worth at $4.7 billion in 2019, then $8.7 billion in 2021. After that, the estimate moved lower to $6.5 billion in 2024 before rising again. Those changes line up with a fortune built around a family stake in Lego, plus holdings through Kirkbi and the family’s interest in Merlin Entertainments.
The most recent Forbes snapshots show another jump. Forbes valued him at $8.3 billion on the 2026 World’s Billionaires List, and its real-time tracker showed $7.9 billion on October 20, 2026. His wealth remains connected to long-held family ownership rather than a self-made startup story. Forbes places him in manufacturing, reflecting the Lego business at the center of the family fortune.
Career and money timeline
- 1932
His great-grandfather Ole started making wooden toys in a workshop.
- 1940s
The family business moved from wooden toys into plastic.
- 2007
He joined the board of the Lego Foundation.
- 2016
He succeeded his father as deputy chairman of the company’s board.
- 2020
He was appointed chairman of the board of directors.
- 2023
He became chairman of Kirkbi and the Lego Group.
Thomas Kirk Kristiansen net worth FAQ
What is Thomas Kirk Kristiansen's net worth?
Thomas Kirk Kristiansen's net worth is an estimated $7.9 billion, according to Forbes Real-Time Billionaires, Thomas Kirk Kristiansen profile (October 20, 2026). It is an estimate, not an official figure.
How did Thomas Kirk Kristiansen get so rich?
The main sources named in the reporting we cite are: Lego.
Is Thomas Kirk Kristiansen a billionaire?
Yes. Forbes Real-Time Billionaires estimates Thomas Kirk Kristiansen is worth $7.9 billion.
How has Thomas Kirk Kristiansen's net worth changed?
The earliest published estimate we track is $4.7 billion (2019, Forbes World's Billionaires List 2019). The latest is $7.9 billion (October 20, 2026).
What company is Thomas Kirk Kristiansen best known for?
He is best known as a family owner and leader tied to Lego. His fortune is linked to the family’s 75% stake in the company.
Does his family own assets outside Lego?
Yes. The family also owns about half of Merlin Entertainments. It took the theme park operator private with a consortium in 2019.
Sources
- Forbes Real-Time Billionaires, Thomas Kirk Kristiansen profile (October 20, 2026)
- Forbes World's Billionaires List 2019, Thomas Kirk Kristiansen profile (March 5, 2019)
- Forbes World's Billionaires List 2020, Thomas Kirk Kristiansen profile (April 7, 2020)
- Forbes World's Billionaires List 2021, Thomas Kirk Kristiansen profile (April 6, 2021)
- Forbes World's Billionaires List 2022, Thomas Kirk Kristiansen profile (April 5, 2022)
- Forbes World's Billionaires List 2023, Thomas Kirk Kristiansen profile (April 4, 2023)
- Forbes World's Billionaires List 2024, Thomas Kirk Kristiansen profile (April 2, 2024)
- Forbes World's Billionaires List 2025, Thomas Kirk Kristiansen profile (April 2025)
- Forbes World's Billionaires List 2026, Thomas Kirk Kristiansen profile (March 10, 2026)
- U.S. Bureau of Labor Statistics, Usual Weekly Earnings (Q2 2026) (July 2026)
- Federal Reserve, 2025 Survey of Consumer Finances (median family net worth, Table 4) (October 2026)
- Background facts: Wikipedia, Thomas Kirk Kristiansen (accessed October 22, 2026). Used for career facts only, never for figures.
Every number on this page is an estimate published by the source named next to it. We never fill in years with our own guesses. How we handle estimates.