Mark Zuckerberg vs Robert Duggan: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Robert Duggan's $12.68 billion — a gap of $197.1 billion, or 17 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Robert Duggan
Source of wealth: Pharmaceuticals
$12.68B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Robert Duggan | |
|---|---|---|
| Net worth | $209.7B | $12.68B |
| World rank | #5 | #241 |
| Makes per second | −$124 | $13.38 |
| Makes per day | −$10.69M | $1.16M |
| Today | +$1.72B | +$1.25B |
| Source of wealth | Pharmaceuticals | |
| Age | 42 | 82 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | Robert Duggan |
|---|---|---|
| 2026 | $222B | $11.6B |
| 2025 | $216B | $12B |
| 2024 | $177B | $3.9B |
| 2023 | $64.4B | $1.8B |
| 2022 | $67.3B | $2B |
| 2021 | $97B | $1.8B |
| 2020 | $54.7B | $1.8B |
| 2019 | $62.3B | $1.8B |
| 2018 | $71B | $2B |
| 2017 | $56B | $2.6B |
| 2016 | $44.6B | $2.7B |
| 2015 | $33.4B | $2.3B |
Frequently asked questions
Who is richer, Mark Zuckerberg or Robert Duggan?
Mark Zuckerberg is richer, worth $209.7 billion compared with Robert Duggan's $12.68 billion. The difference is $197.1 billion.
Who makes more per second, Mark Zuckerberg or Robert Duggan?
Robert Duggan makes more: about $13.38 per second versus −$124. Per day that's $1.16M vs −$10.69M.
How many times richer is Mark Zuckerberg than Robert Duggan?
Mark Zuckerberg has about 17 times Robert Duggan's net worth.