Mark Zuckerberg vs Ira Rennert: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Ira Rennert's $4.34 billion — a gap of $205.4 billion, or 48 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Ira Rennert
Source of wealth: Investments
$4.34B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Ira Rennert | |
|---|---|---|
| Net worth | $209.7B | $4.34B |
| World rank | #5 | #988 |
| Makes per second | −$124 | $10.78 |
| Makes per day | −$10.69M | $931,481 |
| Today | +$1.72B | $0 |
| Source of wealth | Investments | |
| Age | 42 | 92 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | Ira Rennert |
|---|---|---|
| 2026 | $222B | $3.8B |
| 2025 | $216B | $3.8B |
| 2024 | $177B | $3.6B |
| 2023 | $64.4B | $3.5B |
| 2022 | $67.3B | $3.7B |
| 2021 | $97B | $4B |
| 2020 | $54.7B | $3B |
| 2019 | $62.3B | $3.8B |
| 2018 | $71B | $3.8B |
| 2017 | $56B | $4.1B |
| 2016 | $44.6B | $3.6B |
| 2015 | $33.4B | $6.1B |
Frequently asked questions
Who is richer, Mark Zuckerberg or Ira Rennert?
Mark Zuckerberg is richer, worth $209.7 billion compared with Ira Rennert's $4.34 billion. The difference is $205.4 billion.
Who makes more per second, Mark Zuckerberg or Ira Rennert?
Ira Rennert makes more: about $10.78 per second versus −$124. Per day that's $931,481 vs −$10.69M.
How many times richer is Mark Zuckerberg than Ira Rennert?
Mark Zuckerberg has about 48 times Ira Rennert's net worth.