Net Worth Comparison

Ron Sim vs Mark Zuckerberg

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

Ron Sim

Ron Sim

CEO, Retail
Net Worth
$2.248B
-0.01% today
Mark Zuckerberg
Wealthier

Mark Zuckerberg

Net Worth
$207.68B
+$205.4B more than Ron
+0.40% today

Wealth at a Glance

Ron Sim$2.248B
Mark Zuckerberg$207.68B

Net worth gap: $205.4B — equivalent to 99% of Mark's total wealth.

Tale of the Tape

Ron Sim
Mark Zuckerberg
$2.248B
Net Worth
$207.68B
#1852
Global Rank
#6
67
Age
41
SINGAPORE
Country
UNITED STATES
Retail
Source of Wealth
Facebook
Fashion & Retail
Industry
Technology
Left school after completing O-Levels
Education
Harvard University (dropped out)
Annual Salary
$0.0M

Career Highlights

Ron Sim

  1. 1980
    Founded R. Sim Trading
    Started a retail company selling household goods.
  2. 1980
    Founded OSIM International
    Established a company that would become a global leader in wellness products.
  3. 2000
    OSIM Listed on Singapore Exchange
    OSIM International went public.
  4. 2003
    Entrepreneur of the Year
    Received the Ernst & Young Entrepreneur of the Year award.
  5. 2003
    Businessman of the Year
    Named Businessman of the Year by The Business Times.

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

YearRonMarkLeader
2022$65B
2023$170B
2024$2.3B$224.1BMark
2025$2.3B$222BMark
2026$2.248B$207.68BMark

The Verdict: Mark Zuckerberg vs Ron Sim

As of June 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Ron Sim follows at $2.248B — a gap of $205.4B.

The two leaders come from distinct industries — Fashion & Retail for Ron Sim 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.

Ron Sim is 67 years old versus 41 for Mark Zuckerberg, a difference of 26 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.