Mark Zuckerberg vs Randal J. Kirk: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Randal J. Kirk's $2.08 billion — a gap of $207.7 billion, or 101 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Randal J. Kirk
Source of wealth: Pharmaceuticals
$2.08B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Randal J. Kirk | |
|---|---|---|
| Net worth | $209.7B | $2.08B |
| World rank | #5 | #1978 |
| Makes per second | −$124 | $11.39 |
| Makes per day | −$10.69M | $984,357 |
| Today | +$1.72B | +$29.08M |
| Source of wealth | Pharmaceuticals | |
| Age | 42 | 72 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | Randal J. Kirk |
|---|---|---|
| 2026 | $222B | $2B |
| 2025 | $216B | $1.5B |
| 2024 | $177B | $1.5B |
| 2023 | $64.4B | $1.6B |
| 2022 | $67.3B | $1.6B |
| 2021 | $97B | $2.2B |
| 2020 | $54.7B | $1.9B |
| 2019 | $62.3B | $2.6B |
| 2018 | $71B | $2.9B |
| 2017 | $56B | $3.4B |
| 2016 | $44.6B | $3.8B |
| 2015 | $33.4B | $4.6B |
Frequently asked questions
Who is richer, Mark Zuckerberg or Randal J. Kirk?
Mark Zuckerberg is richer, worth $209.7 billion compared with Randal J. Kirk's $2.08 billion. The difference is $207.7 billion.
Who makes more per second, Mark Zuckerberg or Randal J. Kirk?
Randal J. Kirk makes more: about $11.39 per second versus −$124. Per day that's $984,357 vs −$10.69M.
How many times richer is Mark Zuckerberg than Randal J. Kirk?
Mark Zuckerberg has about 101 times Randal J. Kirk's net worth.