Mark Zuckerberg vs Mariarosa Lavelli: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Mariarosa Lavelli's $1.88 billion — a gap of $207.9 billion, or 112 times as much (as of November 7, 2026).

Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Mariarosa Lavelli
Source of wealth: Microchip testing
$1.88B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Mariarosa Lavelli | |
|---|---|---|
| Net worth | $209.7B | $1.88B |
| World rank | #5 | #2192 |
| Makes per second | −$124 | $8.57 |
| Makes per day | −$10.69M | $740,627 |
| Today | +$1.72B | +$18.21M |
| Source of wealth | Microchip testing | |
| Age | 42 | 82 |
| Country | United States | Italy |
Net worth by year
| Year | Mark Zuckerberg | Mariarosa Lavelli |
|---|---|---|
| 2026 | $222B | $1.7B |
| 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 Mariarosa Lavelli?
Mark Zuckerberg is richer, worth $209.7 billion compared with Mariarosa Lavelli's $1.88 billion. The difference is $207.9 billion.
Who makes more per second, Mark Zuckerberg or Mariarosa Lavelli?
Mariarosa Lavelli makes more: about $8.57 per second versus −$124. Per day that's $740,627 vs −$10.69M.
How many times richer is Mark Zuckerberg than Mariarosa Lavelli?
Mark Zuckerberg has about 112 times Mariarosa Lavelli's net worth.