Skip to content
BillionaireTracker

Mark Zuckerberg vs William Foley II: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus William Foley II's $2.58 billion — a gap of $207.2 billion, or 81 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

William Foley II

Source of wealth: Financial services

$2.58B

Side-by-side

Mark ZuckerbergWilliam Foley II
Net worth$209.7B$2.58B
World rank#5#1590
Makes per second−$124−$4.37
Makes per day−$10.69M−$377,662
Today+$1.72B+$8.62M
Source of wealthFacebookFinancial services
Age4281
CountryUnited StatesUnited States

Net worth by year

YearMark ZuckerbergWilliam Foley II
2026$222B$2.6B
2025$216B$2.8B
2024$177B$1.8B
2023$64.4B$1.6B
2022$67.3B$1.4B
2021$97B$1.9B
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 William Foley II?

Mark Zuckerberg is richer, worth $209.7 billion compared with William Foley II's $2.58 billion. The difference is $207.2 billion.

Who makes more per second, Mark Zuckerberg or William Foley II?

William Foley II makes more: about −$4.37 per second versus −$124. Per day that's −$377,662 vs −$10.69M.

How many times richer is Mark Zuckerberg than William Foley II?

Mark Zuckerberg has about 81 times William Foley II's net worth.