Mark Zuckerberg vs Nancy Mills Barnett: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Nancy Mills Barnett's $4.37 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
Nancy Mills Barnett
Source of wealth: Medical supplies
$4.37B
Side-by-side
| Mark Zuckerberg | Nancy Mills Barnett | |
|---|---|---|
| Net worth | $209.7B | $4.37B |
| World rank | #5 | #981 |
| Makes per second | −$124 | −$1.21 |
| Makes per day | −$10.69M | −$104,598 |
| Today | +$1.72B | −$3.89M |
| Source of wealth | Medical supplies | |
| Age | 42 | 63 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | Nancy Mills Barnett |
|---|---|---|
| 2026 | $222B | $4.4B |
| 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 Nancy Mills Barnett?
Mark Zuckerberg is richer, worth $209.7 billion compared with Nancy Mills Barnett's $4.37 billion. The difference is $205.4 billion.
Who makes more per second, Mark Zuckerberg or Nancy Mills Barnett?
Nancy Mills Barnett makes more: about −$1.21 per second versus −$124. Per day that's −$104,598 vs −$10.69M.
How many times richer is Mark Zuckerberg than Nancy Mills Barnett?
Mark Zuckerberg has about 48 times Nancy Mills Barnett's net worth.