Net Worth Comparison

Harold Hamm & family vs Mark Zuckerberg

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

Harold Hamm & family

Harold Hamm & family

Net Worth
$20.1B
+0.00% today
Mark Zuckerberg
Wealthier

Mark Zuckerberg

Net Worth
$207.68B
+$187.6B more than Harold
+0.40% today

Wealth at a Glance

Harold Hamm & family$20.1B
Mark Zuckerberg$207.68B

Net worth gap: $187.6B — equivalent to 90% of Mark's total wealth.

Tale of the Tape

Harold Hamm & family
Mark Zuckerberg
$20.1B
Net Worth
$207.68B
#134
Global Rank
#6
80
Age
41
UNITED STATES
Country
UNITED STATES
Oil & gas
Source of Wealth
Facebook
Energy
Industry
Technology
High school diploma
Education
Harvard University (dropped out)
Annual Salary
$0.0M

Career Highlights

Harold Hamm & family

  1. 1967
    Founded Shelly Dean Oil Company
    Harold Hamm founded Shelly Dean Oil Company, which later became Continental Resources.
  2. 1990
    Renamed to Continental Resources
    Shelly Dean Oil Company rebranded to Continental Resources.
  3. 2007
    Continental Resources IPO
    Continental Resources went public on the NYSE.
  4. 2022
    Continental Resources goes private
    Continental Resources was acquired by Omega Acquisition, Inc., an entity wholly owned by Hamm.

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

YearHaroldMarkLeader
2022$65B
2023$170B
2024$16B$224.1BMark
2025$16B$222BMark
2026$20.1B$207.68BMark

The Verdict: Mark Zuckerberg vs Harold Hamm & family

As of May 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Harold Hamm & family follows at $20.1B — a gap of $187.6B.

The two leaders come from distinct industries — Energy for Harold Hamm & family 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.

Harold Hamm & family is 80 years old versus 41 for Mark Zuckerberg, a difference of 39 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.