Juan Roig vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated May 2026.


Wealth at a Glance
Net worth gap: $198.5B — equivalent to 96% of Mark's total wealth.
Tale of the Tape
Net Worth History
| Year | Juan | Mark | Leader |
|---|---|---|---|
| 2021 | $4.4B | — | — |
| 2022 | $3.5B | $65B | Mark |
| 2023 | — | $170B | — |
| 2024 | $10.1B | $224.1B | Mark |
| 2025 | $10.1B | $222B | Mark |
| 2026 | $9.167B | $207.68B | Mark |
Career Highlights
Juan Roig
- 1977Mercadona FoundedThe family business began as Cárnicas Roig, a chain of butcher shops that later became grocery stores.
- 1981Acquired MercadonaJuan Roig, along with his siblings and his wife, acquired Mercadona from his parents.
- 1982Introduced Barcode ScannersPioneered the use of barcode scanners at points of sale in Spain.
- 1990sExpanded MercadonaRedesigned store formats, updated branding, and adopted operational changes to compete with rivals.
- Late 1990sFull-Time ContractsIntroduced full-time contracts for all employees.
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.
The Verdict: Mark Zuckerberg vs Juan Roig
As of May 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Juan Roig follows at $9.167B — a gap of $198.5B.
The two leaders come from distinct industries — Fashion & Retail for Juan Roig 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.
Juan Roig is 76 years old versus 41 for Mark Zuckerberg, a difference of 35 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.
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Net worth estimates updated daily from public financial disclosures. Methodology · Report an error