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BillionaireTracker

Mark Zuckerberg vs Keiko Erikawa: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Keiko Erikawa's $1.19 billion — a gap of $208.6 billion, or 176 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

Keiko Erikawa

Source of wealth: Video games

$1.19B

Side-by-side

Mark ZuckerbergKeiko Erikawa
Net worth$209.7B$1.19B
World rank#5#3050
Makes per second−$124−$2.16
Makes per day−$10.69M−$186,901
Today+$1.72B−$42.01M
Source of wealthFacebookVideo games
Age4277
CountryUnited StatesJapan

Net worth by year

YearMark ZuckerbergKeiko Erikawa
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 Keiko Erikawa?

Mark Zuckerberg is richer, worth $209.7 billion compared with Keiko Erikawa's $1.19 billion. The difference is $208.6 billion.

Who makes more per second, Mark Zuckerberg or Keiko Erikawa?

Keiko Erikawa makes more: about −$2.16 per second versus −$124. Per day that's −$186,901 vs −$10.69M.

How many times richer is Mark Zuckerberg than Keiko Erikawa?

Mark Zuckerberg has about 176 times Keiko Erikawa's net worth.