Net Worth Comparison

William Wrigley Jr. II vs Mark Zuckerberg

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

Mark Zuckerberg
Wealthier

Mark Zuckerberg

Net Worth
$207.68B
+$204.1B more than William
+0.40% today

Wealth at a Glance

William Wrigley Jr. II$3.6B
Mark Zuckerberg$207.68B

Net worth gap: $204.1B — equivalent to 98% of Mark's total wealth.

Tale of the Tape

William Wrigley Jr. II
Mark Zuckerberg
$3.6B
Net Worth
$207.68B
#1192
Global Rank
#6
62
Age
41
UNITED STATES
Country
UNITED STATES
Chewing gum
Source of Wealth
Facebook
food-beverage
Industry
Technology
Duke University, Wharton School of the University of Pennsylvania
Education
Harvard University (dropped out)
Annual Salary
$0.0M

Career Highlights

William Wrigley Jr. II

  1. 1985
    Joined Wm. Wrigley Jr. Company
    Began his career at the family-owned chewing gum company.
  2. 1999
    CEO of Wm. Wrigley Jr. Company
    Became the fourth-generation family member to lead the company.
  3. 2005
    Acquisition of Altoids and Life Savers
    Expanded the company by acquiring these brands from Kraft Foods.
  4. 2008
    Sale of Wm. Wrigley Jr. Company to Mars, Inc.
    Oversaw the sale of the company for $23 billion.
  5. 2018
    CEO of Parallel
    Became CEO of a company focused on cannabis products.

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

YearWilliamMarkLeader
2022$65B
2023$170B
2024$3.6B$224.1BMark
2025$222B
2026$3.6B$207.68BMark

The Verdict: Mark Zuckerberg vs William Wrigley Jr. II

As of June 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. William Wrigley Jr. II follows at $3.6B — a gap of $204.1B.

The two leaders come from distinct industries — food-beverage for William Wrigley Jr. II 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.

William Wrigley Jr. II is 62 years old versus 41 for Mark Zuckerberg, a difference of 21 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.