Net Worth Comparison

Juan Roig vs Mark Zuckerberg

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

Juan Roig

Juan Roig

Net Worth
$9.167B
+0.00% today
Mark Zuckerberg
Wealthier

Mark Zuckerberg

Net Worth
$207.68B
+$198.5B more than Juan
+0.40% today

Wealth at a Glance

Juan Roig$9.167B
Mark Zuckerberg$207.68B

Net worth gap: $198.5B — equivalent to 96% of Mark's total wealth.

Tale of the Tape

Juan Roig
Mark Zuckerberg
$9.167B
Net Worth
$207.68B
#382
Global Rank
#6
76
Age
41
SPAIN
Country
UNITED STATES
Supermarkets
Source of Wealth
Facebook
Fashion & Retail
Industry
Technology
University of Valencia (BA), University of Navarra (MA)
Education
Harvard University (dropped out)
Annual Salary
$0.0M

Net Worth History

YearJuanMarkLeader
2021$4.4B
2022$3.5B$65BMark
2023$170B
2024$10.1B$224.1BMark
2025$10.1B$222BMark
2026$9.167B$207.68BMark

Career Highlights

Juan Roig

  1. 1977
    Mercadona Founded
    The family business began as Cárnicas Roig, a chain of butcher shops that later became grocery stores.
  2. 1981
    Acquired Mercadona
    Juan Roig, along with his siblings and his wife, acquired Mercadona from his parents.
  3. 1982
    Introduced Barcode Scanners
    Pioneered the use of barcode scanners at points of sale in Spain.
  4. 1990s
    Expanded Mercadona
    Redesigned store formats, updated branding, and adopted operational changes to compete with rivals.
  5. Late 1990s
    Full-Time Contracts
    Introduced full-time contracts for all employees.

Mark Zuckerberg

  1. 2004
    Founded Facebook
    Co-founded Facebook while at Harvard University.
  2. 2008
    Became a Billionaire
    Became a billionaire at age 23.
  3. 2012
    Facebook IPO
    Took Facebook public, making it one of the largest IPOs in history.
  4. 2021
    Meta Rebranding
    Facebook 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.