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Net Worth Comparison

Thierry Dassault vs Elon Musk

Real-time net worth, career, and company comparison — updated May 2026.

Thierry Dassault

Thierry Dassault

CEO, Diversified
Net Worth
$8.254B
+1.51% today
Elon Musk
Wealthier

Elon Musk

CEO, Tesla, Inc.
Net Worth
$807.656B
+$799.4B more than Thierry
+1.18% today

Wealth at a Glance

Thierry Dassault$8.254B
Elon Musk$807.656B

Net worth gap: $799.4B — equivalent to 99% of Elon's total wealth.

Tale of the Tape

Thierry Dassault
Elon Musk
$8.254B
Net Worth
$807.656B
#431
Global Rank
#1
68
Age
54
FRANCE
Country
UNITED STATES
Diversified
Source of Wealth
Tesla, SpaceX
Diversified
Industry
Technology
École de communication et de production audiovisuelle de la Défense (ECPAD)
Education
University of Pennsylvania (BA, BS)

Net Worth History

YearThierryElonLeader
2022—$146B—
2023—$235.5B—
2024$9B$839.6BElon
2025$9B$839BElon
2026$8.254B$807.656BElon

Career Highlights

Thierry Dassault

  1. 1979
    Joined Dassault Group
    Began working in the family business after experience in the film industry.
  2. 2019
    President of the Supervisory Board, Dassault Group
    Succeeded his sister Marie-Hélène Habert in this role.
  3. 2025
    Resigned from the Board of Dassault Group
    Replaced by his son Vincent.

Elon Musk

  1. 1995
    Co-founded Zip2
    Co-founded Zip2, an online city guide for newspapers.
  2. 1999
    Co-founded X.com
    Co-founded X.com, which later became PayPal.
  3. 2002
    Founded SpaceX
    Founded Space Exploration Technologies Corp. (SpaceX).
  4. 2004
    Became Chairman of Tesla
    Led the first funding round for Tesla and became its Chairman.
  5. 2008
    Became CEO of Tesla
    Became CEO of Tesla Motors.

The Verdict: Elon Musk vs Thierry Dassault

As of May 2026, Elon Musk leads this comparison with a net worth of $807.656B, placing at #1 in the global rankings. Thierry Dassault follows at $8.254B — a gap of $799.4B.

The two leaders come from distinct industries — Diversified for Thierry Dassault and Technology for Elon Musk. Comparing them is therefore a comparison of different underlying asset types, growth rates, and risk profiles rather than a simple head-to-head within the same market.

Thierry Dassault is 68 years old versus 54 for Elon Musk, a difference of 14 years. Age context matters in wealth comparisons: a younger billionaire at the same net worth has had less time to accumulate — and in many cases represents a higher compound annual growth rate on their wealth.

Net worth figures are estimates calculated from public shareholding disclosures, stock price data, and reported asset values. See our full methodology.

Explore Full Profiles

Thierry Dassault
Thierry Dassault
Full profile → net worth, bio, career history
Elon Musk
Elon Musk
Full profile → net worth, bio, career history

Net worth estimates updated daily from public financial disclosures. Methodology · Report an error