Mark Zuckerberg vs Guillermo Fierro: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Guillermo Fierro's $1.57 billion — a gap of $208.2 billion, or 133 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Guillermo Fierro
Source of wealth: Banking
$1.57B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Guillermo Fierro | |
|---|---|---|
| Net worth | $209.7B | $1.57B |
| World rank | #5 | #2516 |
| Makes per second | −$124 | $22.57 |
| Makes per day | −$10.69M | $1.95M |
| Today | +$1.72B | −$455 |
| Source of wealth | Banking | |
| Age | 42 | 65 |
| Country | United States | Spain |
Net worth by year
| Year | Mark Zuckerberg | Guillermo Fierro |
|---|---|---|
| 2026 | $222B | $1.1B |
| 2025 | $216B | — |
| 2024 | $177B | — |
| 2023 | $64.4B | — |
| 2022 | $67.3B | — |
| 2021 | $97B | — |
| 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 Guillermo Fierro?
Mark Zuckerberg is richer, worth $209.7 billion compared with Guillermo Fierro's $1.57 billion. The difference is $208.2 billion.
Who makes more per second, Mark Zuckerberg or Guillermo Fierro?
Guillermo Fierro makes more: about $22.57 per second versus −$124. Per day that's $1.95M vs −$10.69M.
How many times richer is Mark Zuckerberg than Guillermo Fierro?
Mark Zuckerberg has about 133 times Guillermo Fierro's net worth.