Mark Zuckerberg vs Carl Cook: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Carl Cook's $9.47 billion — a gap of $200.3 billion, or 22 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Carl Cook
Source of wealth: Medical devices
$9.47B
Side-by-side
| Mark Zuckerberg | Carl Cook | |
|---|---|---|
| Net worth | $209.7B | $9.47B |
| World rank | #5 | #380 |
| Makes per second | −$124 | −$22.28 |
| Makes per day | −$10.69M | −$1.92M |
| Today | +$1.72B | $0 |
| Source of wealth | Medical devices | |
| Age | 42 | 64 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | Carl Cook |
|---|---|---|
| 2026 | $222B | $11.7B |
| 2025 | $216B | $10.6B |
| 2024 | $177B | $10.6B |
| 2023 | $64.4B | $10.2B |
| 2022 | $67.3B | $11.1B |
| 2021 | $97B | $9.9B |
| 2020 | $54.7B | $8B |
| 2019 | $62.3B | $8.3B |
| 2018 | $71B | $8B |
| 2017 | $56B | $7.4B |
| 2016 | $44.6B | $4.8B |
| 2015 | $33.4B | $6.5B |
Frequently asked questions
Who is richer, Mark Zuckerberg or Carl Cook?
Mark Zuckerberg is richer, worth $209.7 billion compared with Carl Cook's $9.47 billion. The difference is $200.3 billion.
Who makes more per second, Mark Zuckerberg or Carl Cook?
Carl Cook makes more: about −$22.28 per second versus −$124. Per day that's −$1.92M vs −$10.69M.
How many times richer is Mark Zuckerberg than Carl Cook?
Mark Zuckerberg has about 22 times Carl Cook's net worth.