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BillionaireTracker

Mark Zuckerberg vs Joe Kiani: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Joe Kiani's $1.25 billion — a gap of $208.5 billion, or 167 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

Joe Kiani

Source of wealth: Medical devices

$1.25B

Side-by-side

Mark ZuckerbergJoe Kiani
Net worth$209.7B$1.25B
World rank#5#2956
Makes per second−$124−$0.93
Makes per day−$10.69M−$80,353
Today+$1.72B+$301,470
Source of wealthFacebookMedical devices
Age4262
CountryUnited StatesUnited States

Net worth by year

YearMark ZuckerbergJoe Kiani
2026$222B$1.2B
2025$216B$1.3B
2024$177B$1.1B
2023$64.4B$1.3B
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 Joe Kiani?

Mark Zuckerberg is richer, worth $209.7 billion compared with Joe Kiani's $1.25 billion. The difference is $208.5 billion.

Who makes more per second, Mark Zuckerberg or Joe Kiani?

Joe Kiani makes more: about −$0.93 per second versus −$124. Per day that's −$80,353 vs −$10.69M.

How many times richer is Mark Zuckerberg than Joe Kiani?

Mark Zuckerberg has about 167 times Joe Kiani's net worth.