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BillionaireTracker

Mark Zuckerberg vs Michael Spencer: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Michael Spencer's $1.36 billion — a gap of $208.4 billion, or 154 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

Michael Spencer

Source of wealth: Stock exchange

$1.36B

Made since you opened this page: $0.00

Side-by-side

Mark ZuckerbergMichael Spencer
Net worth$209.7B$1.36B
World rank#5#2807
Makes per second−$124$1.26
Makes per day−$10.69M$109,182
Today+$1.72B−$402
Source of wealthFacebookStock exchange
Age4271
CountryUnited StatesUnited Kingdom

Net worth by year

YearMark ZuckerbergMichael Spencer
2026$222B$1.4B
2025$216B$1.3B
2024$177B$1.3B
2023$64.4B$1.1B
2022$67.3B$1.1B
2021$97B$1.4B
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 Michael Spencer?

Mark Zuckerberg is richer, worth $209.7 billion compared with Michael Spencer's $1.36 billion. The difference is $208.4 billion.

Who makes more per second, Mark Zuckerberg or Michael Spencer?

Michael Spencer makes more: about $1.26 per second versus −$124. Per day that's $109,182 vs −$10.69M.

How many times richer is Mark Zuckerberg than Michael Spencer?

Mark Zuckerberg has about 154 times Michael Spencer's net worth.