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BillionaireTracker

Mark Zuckerberg vs Seo Jung-jin: who is richer?

Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Seo Jung-jin's $9.86 billion — a gap of $199.9 billion, or 21 times as much (as of November 7, 2026).

Mark Zuckerberg

Mark Zuckerberg

Source of wealth: Facebook

$209.7B

Seo Jung-jin

Source of wealth: Biotech

$9.86B

Made since you opened this page: $0.00

Side-by-side

Mark ZuckerbergSeo Jung-jin
Net worth$209.7B$9.86B
World rank#5#360
Makes per second−$124$54.53
Makes per day−$10.69M$4.71M
Today+$1.72B−$197.5M
Source of wealthFacebookBiotech
Age4269
CountryUnited StatesSouth Korea

Net worth by year

YearMark ZuckerbergSeo Jung-jin
2026$222B$9.9B
2025$216B$7.1B
2024$177B$7.3B
2023$64.4B$5.6B
2022$67.3B$7B
2021$97B$14.2B
2020$54.7B$6.1B
2019$62.3B$8.1B
2018$71B$11.9B
2017$56B$2.2B
2016$44.6B$1.9B
2015$33.4B$1.2B

Frequently asked questions

Who is richer, Mark Zuckerberg or Seo Jung-jin?

Mark Zuckerberg is richer, worth $209.7 billion compared with Seo Jung-jin's $9.86 billion. The difference is $199.9 billion.

Who makes more per second, Mark Zuckerberg or Seo Jung-jin?

Seo Jung-jin makes more: about $54.53 per second versus −$124. Per day that's $4.71M vs −$10.69M.

How many times richer is Mark Zuckerberg than Seo Jung-jin?

Mark Zuckerberg has about 21 times Seo Jung-jin's net worth.