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Mark Zuckerberg vs Sandra MacMillan: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Sandra MacMillan's $1.07 billion — a gap of $208.7 billion, or 196 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

Sandra MacMillan

Source of wealth: Cargill

$1.07B

Side-by-side

Mark ZuckerbergSandra MacMillan
Net worth$209.7B$1.07B
World rank#5#3240
Makes per second−$124−$6.26
Makes per day−$10.69M−$541,184
Today+$1.72B$0
Source of wealthFacebookCargill
Age4254
CountryUnited StatesUnited States

Net worth by year

YearMark ZuckerbergSandra MacMillan
2026$222B$1.2B
2025$216B—
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 Sandra MacMillan?

Mark Zuckerberg is richer, worth $209.7 billion compared with Sandra MacMillan's $1.07 billion. The difference is $208.7 billion.

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

Sandra MacMillan makes more: about −$6.26 per second versus −$124. Per day that's −$541,184 vs −$10.69M.

How many times richer is Mark Zuckerberg than Sandra MacMillan?

Mark Zuckerberg has about 196 times Sandra MacMillan's net worth.