Mustafa Rahmi Koç vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated June 2026.


Wealth at a Glance
Net worth gap: $205.3B — equivalent to 99% of Mark's total wealth.
Tale of the Tape
Career Highlights
Mustafa Rahmi Koç
- 1958Joined Koç GroupBegan working for the Koç Group after military service.
- 1964General Coordinator of Koç HoldingBecame the general coordinator when the headquarters moved to Istanbul.
- 1984Chairman of Koç HoldingSucceeded his father as Chairman.
- 2003Retired as ChairmanHanded over chairmanship to his son and became Honorary Chairman.
Mark Zuckerberg
- 2004Founded FacebookCo-founded Facebook while at Harvard University.
- 2008Became a BillionaireBecame a billionaire at age 23.
- 2012Facebook IPOTook Facebook public, making it one of the largest IPOs in history.
- 2021Meta RebrandingFacebook rebranded to Meta Platforms, Inc., focusing on the metaverse.
Net Worth History
| Year | Mustafa | Mark | Leader |
|---|---|---|---|
| 2022 | — | $65B | — |
| 2023 | — | $170B | — |
| 2024 | $2.5B | $224.1B | Mark |
| 2025 | $2.6B | $222B | Mark |
| 2026 | $2.401B | $207.68B | Mark |
The Verdict: Mark Zuckerberg vs Mustafa Rahmi Koç
As of June 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Mustafa Rahmi Koç follows at $2.401B — a gap of $205.3B.
The two leaders come from distinct industries — Diversified for Mustafa Rahmi Koç and Technology for Mark Zuckerberg. 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.
Mustafa Rahmi Koç is 95 years old versus 41 for Mark Zuckerberg, a difference of 54 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


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