Mark Zuckerberg vs Susan Alfond: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Susan Alfond's $3.86 billion — a gap of $205.9 billion, or 54 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Susan Alfond
Source of wealth: Shoes
$3.86B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | Susan Alfond | |
|---|---|---|
| Net worth | $209.7B | $3.86B |
| World rank | #5 | #1092 |
| Makes per second | −$124 | $7.07 |
| Makes per day | −$10.69M | $610,690 |
| Today | +$1.72B | −$276,100 |
| Source of wealth | Shoes | |
| Age | 42 | 81 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | Susan Alfond |
|---|---|---|
| 2026 | $222B | $3.5B |
| 2025 | $216B | $3.5B |
| 2024 | $177B | $3.1B |
| 2023 | $64.4B | $2.5B |
| 2022 | $67.3B | $2.8B |
| 2021 | $97B | $2.3B |
| 2020 | $54.7B | $1.4B |
| 2019 | $62.3B | $1.6B |
| 2018 | $71B | $1.5B |
| 2017 | $56B | $1.4B |
| 2016 | $44.6B | $1.1B |
| 2015 | $33.4B | — |
Frequently asked questions
Who is richer, Mark Zuckerberg or Susan Alfond?
Mark Zuckerberg is richer, worth $209.7 billion compared with Susan Alfond's $3.86 billion. The difference is $205.9 billion.
Who makes more per second, Mark Zuckerberg or Susan Alfond?
Susan Alfond makes more: about $7.07 per second versus −$124. Per day that's $610,690 vs −$10.69M.
How many times richer is Mark Zuckerberg than Susan Alfond?
Mark Zuckerberg has about 54 times Susan Alfond's net worth.