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Mark Zuckerberg vs Duncan MacMillan: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Duncan MacMillan's $1.76 billion — a gap of $208 billion, or 119 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

Duncan MacMillan

Source of wealth: Bloomberg LP

$1.76B

Side-by-side

Mark ZuckerbergDuncan MacMillan
Net worth$209.7B$1.76B
World rank#5#2323
Makes per second−$124−$0.85
Makes per day−$10.69M−$73,493
Today+$1.72B$0
Source of wealthFacebookBloomberg LP
Age4288
CountryUnited StatesUnited States

Net worth by year

YearMark ZuckerbergDuncan MacMillan
2026$222B$1.8B
2025$216B$1.8B
2024$177B$1.8B
2023$64.4B$1.7B
2022$67.3B$1.6B
2021$97B$1.5B
2020$54.7B$1.3B
2019$62.3B$1.1B
2018$71B$1B
2017$56B—
2016$44.6B—
2015$33.4B—

Frequently asked questions

Who is richer, Mark Zuckerberg or Duncan MacMillan?

Mark Zuckerberg is richer, worth $209.7 billion compared with Duncan MacMillan's $1.76 billion. The difference is $208 billion.

Who makes more per second, Mark Zuckerberg or Duncan MacMillan?

Duncan MacMillan makes more: about −$0.85 per second versus −$124. Per day that's −$73,493 vs −$10.69M.

How many times richer is Mark Zuckerberg than Duncan MacMillan?

Mark Zuckerberg has about 119 times Duncan MacMillan's net worth.