Mark Zuckerberg vs Eduardo Costantini: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Eduardo Costantini's $1.27 billion — a gap of $208.5 billion, or 165 times as much (as of November 7, 2026).

Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Eduardo Costantini
Source of wealth: Real estate
$1.27B
Side-by-side
| Mark Zuckerberg | Eduardo Costantini | |
|---|---|---|
| Net worth | $209.7B | $1.27B |
| World rank | #5 | #2938 |
| Makes per second | −$124 | −$4.60 |
| Makes per day | −$10.69M | −$397,082 |
| Today | +$1.72B | +$5.73M |
| Source of wealth | Real estate | |
| Age | 42 | 80 |
| Country | United States | Argentina |
Net worth by year
| Year | Mark Zuckerberg | Eduardo Costantini |
|---|---|---|
| 2026 | $222B | $1.3B |
| 2025 | $216B | $1.5B |
| 2024 | $177B | $1.4B |
| 2023 | $64.4B | $1.3B |
| 2022 | $67.3B | $1.5B |
| 2021 | $97B | — |
| 2020 | $54.7B | — |
| 2019 | $62.3B | — |
| 2018 | $71B | $1.2B |
| 2017 | $56B | $1B |
| 2016 | $44.6B | — |
| 2015 | $33.4B | — |
Frequently asked questions
Who is richer, Mark Zuckerberg or Eduardo Costantini?
Mark Zuckerberg is richer, worth $209.7 billion compared with Eduardo Costantini's $1.27 billion. The difference is $208.5 billion.
Who makes more per second, Mark Zuckerberg or Eduardo Costantini?
Eduardo Costantini makes more: about −$4.60 per second versus −$124. Per day that's −$397,082 vs −$10.69M.
How many times richer is Mark Zuckerberg than Eduardo Costantini?
Mark Zuckerberg has about 165 times Eduardo Costantini's net worth.