Net Worth Comparison

Francesco Gaetano Caltagirone vs Mark Zuckerberg

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

Francesco Gaetano Caltagirone

Francesco Gaetano Caltagirone

CEO, Cement
Net Worth
$10.674B
+1.55% today
Mark Zuckerberg
Wealthier

Mark Zuckerberg

Net Worth
$207.68B
+$197.0B more than Francesco
+0.40% today

Wealth at a Glance

Francesco Gaetano Caltagirone$10.674B
Mark Zuckerberg$207.68B

Net worth gap: $197.0B — equivalent to 95% of Mark's total wealth.

Tale of the Tape

Francesco Gaetano Caltagirone
Mark Zuckerberg
$10.674B
Net Worth
$207.68B
#307
Global Rank
#6
83
Age
41
ITALY
Country
UNITED STATES
Cement, diversified
Source of Wealth
Facebook
Manufacturing
Industry
Technology
Engineering degree from Sapienza University of Rome
Education
Harvard University (dropped out)
Annual Salary
$0.0M

Career Highlights

Francesco Gaetano Caltagirone

  1. 1966
    Revived Family Business
    Resumed the family construction business after studying engineering.
  2. 1984
    Acquired Vianini Lavori S.p.A.
    Took over Vianini Lavori, expanding into infrastructure projects.
  3. 1992
    Acquired Cementir S.p.A.
    Transformed Cementir into a multinational company.
  4. 1996
    Acquired Il Messaggero
    Entered the media sector with the acquisition of the Roman newspaper.
  5. 1999
    Established Caltagirone Editore
    Built media group Caltagirone Editore, Italy's sixth largest newspaper publisher.

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.

Net Worth History

YearFrancescoMarkLeader
2022$65B
2023$170B
2024$10.8B$224.1BMark
2025$11.1B$222BMark
2026$10.674B$207.68BMark

The Verdict: Mark Zuckerberg vs Francesco Gaetano Caltagirone

As of June 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Francesco Gaetano Caltagirone follows at $10.674B — a gap of $197.0B.

The two leaders come from distinct industries — Manufacturing for Francesco Gaetano Caltagirone 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.

Francesco Gaetano Caltagirone is 83 years old versus 41 for Mark Zuckerberg, a difference of 42 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.