Mark Zuckerberg vs Theo Roussis: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Theo Roussis' $3.12 billion — a gap of $206.6 billion, or 67 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Theo Roussis
Source of wealth: Plastic
$3.12B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Theo Roussis | |
|---|---|---|
| Net worth | $209.7B | $3.12B |
| World rank | #5 | #1333 |
| Makes per second | −$124 | $4.38 |
| Makes per day | −$10.69M | $378,106 |
| Today | +$1.72B | −$1.97M |
| Source of wealth | Plastic | |
| Age | 42 | 72 |
| Country | United States | Belgium |
Net worth by year
| Year | Mark Zuckerberg | Theo Roussis |
|---|---|---|
| 2026 | $222B | $3.3B |
| 2025 | $216B | $2.9B |
| 2024 | $177B | $3B |
| 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 Theo Roussis?
Mark Zuckerberg is richer, worth $209.7 billion compared with Theo Roussis' $3.12 billion. The difference is $206.6 billion.
Who makes more per second, Mark Zuckerberg or Theo Roussis?
Theo Roussis makes more: about $4.38 per second versus −$124. Per day that's $378,106 vs −$10.69M.
How many times richer is Mark Zuckerberg than Theo Roussis?
Mark Zuckerberg has about 67 times Theo Roussis' net worth.