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BillionaireTracker

Mark Zuckerberg vs Tom Brown: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Tom Brown's $13.8 billion — a gap of $195.9 billion, or 15 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

Tom Brown

Source of wealth: Artificial intelligence

$13.8B

Made since you opened this page: $0.00

Side-by-side

Mark ZuckerbergTom Brown
Net worth$209.7B$13.8B
World rank#5#212
Makes per second−$124$249
Makes per day−$10.69M$21.54M
Today+$1.72B$0
Source of wealthFacebookArtificial intelligence
Age4239
CountryUnited StatesUnited States

Net worth by year

YearMark ZuckerbergTom Brown
2026$222B$7B
2025$216B$1.2B
2024$177B—
2023$64.4B—
2022$67.3B—
2021$97B—
2020$54.7B—
2019$62.3B—
2018$71B—
2017$56B—
2016$44.6B—
2015$33.4B—

Frequently asked questions

Who is richer, Mark Zuckerberg or Tom Brown?

Mark Zuckerberg is richer, worth $209.7 billion compared with Tom Brown's $13.8 billion. The difference is $195.9 billion.

Who makes more per second, Mark Zuckerberg or Tom Brown?

Tom Brown makes more: about $249 per second versus −$124. Per day that's $21.54M vs −$10.69M.

How many times richer is Mark Zuckerberg than Tom Brown?

Mark Zuckerberg has about 15 times Tom Brown's net worth.