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BillionaireTracker

Mark Zuckerberg vs Peter Kelly: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Peter Kelly's $1.43 billion — a gap of $208.3 billion, or 147 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

Peter Kelly

Source of wealth: I.T.

$1.43B

Made since you opened this page: $0.00

Side-by-side

Mark ZuckerbergPeter Kelly
Net worth$209.7B$1.43B
World rank#5#2705
Makes per second−$124$2.59
Makes per day−$10.69M$223,358
Today+$1.72B−$24.52M
Source of wealthFacebookI.T.
Age4269
CountryUnited StatesUnited Kingdom

Net worth by year

YearMark ZuckerbergPeter Kelly
2026$222B$1.1B
2025$216B$1.3B
2024$177B$1.3B
2023$64.4B—
2022$67.3B$1.3B
2021$97B$1.3B
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 Peter Kelly?

Mark Zuckerberg is richer, worth $209.7 billion compared with Peter Kelly's $1.43 billion. The difference is $208.3 billion.

Who makes more per second, Mark Zuckerberg or Peter Kelly?

Peter Kelly makes more: about $2.59 per second versus −$124. Per day that's $223,358 vs −$10.69M.

How many times richer is Mark Zuckerberg than Peter Kelly?

Mark Zuckerberg has about 147 times Peter Kelly's net worth.