Mark Zuckerberg vs Sergei Katsiev: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Sergei Katsiev's $1.81 billion — a gap of $207.9 billion, or 116 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Sergei Katsiev
Source of wealth: Retail, wholesale
$1.81B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Sergei Katsiev | |
|---|---|---|
| Net worth | $209.7B | $1.81B |
| World rank | #5 | #2257 |
| Makes per second | −$124 | $4.20 |
| Makes per day | −$10.69M | $362,592 |
| Today | +$1.72B | +$213 |
| Source of wealth | Retail, wholesale | |
| Age | 42 | 68 |
| Country | United States | Russia |
Net worth by year
| Year | Mark Zuckerberg | Sergei Katsiev |
|---|---|---|
| 2026 | $222B | $1.8B |
| 2025 | $216B | $1.6B |
| 2024 | $177B | $1.9B |
| 2023 | $64.4B | $1.6B |
| 2022 | $67.3B | — |
| 2021 | $97B | $1.7B |
| 2020 | $54.7B | $1.5B |
| 2019 | $62.3B | $1.3B |
| 2018 | $71B | — |
| 2017 | $56B | $1.1B |
| 2016 | $44.6B | — |
| 2015 | $33.4B | $1.2B |
Frequently asked questions
Who is richer, Mark Zuckerberg or Sergei Katsiev?
Mark Zuckerberg is richer, worth $209.7 billion compared with Sergei Katsiev's $1.81 billion. The difference is $207.9 billion.
Who makes more per second, Mark Zuckerberg or Sergei Katsiev?
Sergei Katsiev makes more: about $4.20 per second versus −$124. Per day that's $362,592 vs −$10.69M.
How many times richer is Mark Zuckerberg than Sergei Katsiev?
Mark Zuckerberg has about 116 times Sergei Katsiev's net worth.