Mark Zuckerberg vs Lucy Guo: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Lucy Guo's $1.45 billion — a gap of $208.3 billion, or 145 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Lucy Guo
Source of wealth: Artificial intelligence
$1.45B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Lucy Guo | |
|---|---|---|
| Net worth | $209.7B | $1.45B |
| World rank | #5 | #2681 |
| Makes per second | −$124 | $2.41 |
| Makes per day | −$10.69M | $208,190 |
| Today | +$1.72B | $0 |
| Source of wealth | Artificial intelligence | |
| Age | 42 | 32 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | Lucy Guo |
|---|---|---|
| 2026 | $222B | $1.4B |
| 2025 | $216B | — |
| 2024 | $177B | — |
| 2023 | $64.4B | — |
| 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 Lucy Guo?
Mark Zuckerberg is richer, worth $209.7 billion compared with Lucy Guo's $1.45 billion. The difference is $208.3 billion.
Who makes more per second, Mark Zuckerberg or Lucy Guo?
Lucy Guo makes more: about $2.41 per second versus −$124. Per day that's $208,190 vs −$10.69M.
How many times richer is Mark Zuckerberg than Lucy Guo?
Mark Zuckerberg has about 145 times Lucy Guo's net worth.