Mark Zuckerberg vs Robert Langer: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Robert Langer's $2.93 billion — a gap of $206.8 billion, or 72 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Robert Langer
Source of wealth: Biotech
$2.93B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Robert Langer | |
|---|---|---|
| Net worth | $209.7B | $2.93B |
| World rank | #5 | #1417 |
| Makes per second | −$124 | $21.06 |
| Makes per day | −$10.69M | $1.82M |
| Today | +$1.72B | +$146.5M |
| Source of wealth | Biotech | |
| Age | 42 | 78 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | Robert Langer |
|---|---|---|
| 2026 | $222B | — |
| 2025 | $216B | — |
| 2024 | $177B | $1.2B |
| 2023 | $64.4B | $1.6B |
| 2022 | $67.3B | $1.6B |
| 2021 | $97B | $1.6B |
| 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 Robert Langer?
Mark Zuckerberg is richer, worth $209.7 billion compared with Robert Langer's $2.93 billion. The difference is $206.8 billion.
Who makes more per second, Mark Zuckerberg or Robert Langer?
Robert Langer makes more: about $21.06 per second versus −$124. Per day that's $1.82M vs −$10.69M.
How many times richer is Mark Zuckerberg than Robert Langer?
Mark Zuckerberg has about 72 times Robert Langer's net worth.