Mark Zuckerberg vs John Brown: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus John Brown's $7.35 billion — a gap of $202.4 billion, or 29 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
John Brown
Source of wealth: Medical equipment
$7.35B
Side-by-side
| Mark Zuckerberg | John Brown | |
|---|---|---|
| Net worth | $209.7B | $7.35B |
| World rank | #5 | #550 |
| Makes per second | −$124 | −$16.73 |
| Makes per day | −$10.69M | −$1.45M |
| Today | +$1.72B | −$185.1M |
| Source of wealth | Medical equipment | |
| Age | 42 | 92 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | John Brown |
|---|---|---|
| 2026 | $222B | $8.5B |
| 2025 | $216B | $8.2B |
| 2024 | $177B | $7.7B |
| 2023 | $64.4B | $5.7B |
| 2022 | $67.3B | $5.4B |
| 2021 | $97B | $5.2B |
| 2020 | $54.7B | $3B |
| 2019 | $62.3B | $3.9B |
| 2018 | $71B | $3.3B |
| 2017 | $56B | $2.7B |
| 2016 | $44.6B | $2.1B |
| 2015 | $33.4B | $2.1B |
Frequently asked questions
Who is richer, Mark Zuckerberg or John Brown?
Mark Zuckerberg is richer, worth $209.7 billion compared with John Brown's $7.35 billion. The difference is $202.4 billion.
Who makes more per second, Mark Zuckerberg or John Brown?
John Brown makes more: about −$16.73 per second versus −$124. Per day that's −$1.45M vs −$10.69M.
How many times richer is Mark Zuckerberg than John Brown?
Mark Zuckerberg has about 29 times John Brown's net worth.