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BillionaireTracker

Mark Zuckerberg vs Dona Bertarelli: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Dona Bertarelli's $7.42 billion — a gap of $202.3 billion, or 28 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

Dona Bertarelli

Source of wealth: Biotech and investments

$7.42B

Made since you opened this page: $0.00

Side-by-side

Mark ZuckerbergDona Bertarelli
Net worth$209.7B$7.42B
World rank#5#544
Makes per second−$124$0.41
Makes per day−$10.69M$35,367
Today+$1.72B+$74
Source of wealthFacebookBiotech and investments
Age4258
CountryUnited StatesSwitzerland

Net worth by year

YearMark ZuckerbergDona Bertarelli
2026$222B$7.5B
2025$216B$7.4B
2024$177B$6.2B
2023$64.4B$5B
2022$67.3B$4.8B
2021$97B$4.7B
2020$54.7B$4.3B
2019$62.3B$4.7B
2018$71B$4.6B
2017$56B$4.4B
2016$44.6B$4.5B
2015$33.4B$4.6B

Frequently asked questions

Who is richer, Mark Zuckerberg or Dona Bertarelli?

Mark Zuckerberg is richer, worth $209.7 billion compared with Dona Bertarelli's $7.42 billion. The difference is $202.3 billion.

Who makes more per second, Mark Zuckerberg or Dona Bertarelli?

Dona Bertarelli makes more: about $0.41 per second versus −$124. Per day that's $35,367 vs −$10.69M.

How many times richer is Mark Zuckerberg than Dona Bertarelli?

Mark Zuckerberg has about 28 times Dona Bertarelli's net worth.