Mark Zuckerberg vs William MacMillan: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus William MacMillan's $1.51 billion — a gap of $208.2 billion, or 138 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
William MacMillan
Source of wealth: Cargill
$1.51B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | William MacMillan | |
|---|---|---|
| Net worth | $209.7B | $1.51B |
| World rank | #5 | #2590 |
| Makes per second | −$124 | $2.28 |
| Makes per day | −$10.69M | $196,560 |
| Today | +$1.72B | $0 |
| Source of wealth | Cargill | |
| Age | 42 | 72 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | William MacMillan |
|---|---|---|
| 2026 | $222B | $1.7B |
| 2025 | $216B | $1.4B |
| 2024 | $177B | $1.3B |
| 2023 | $64.4B | $1.2B |
| 2022 | $67.3B | $1.6B |
| 2021 | $97B | $1.1B |
| 2020 | $54.7B | — |
| 2019 | $62.3B | $1.3B |
| 2018 | $71B | $1.3B |
| 2017 | $56B | $1.2B |
| 2016 | $44.6B | $1B |
| 2015 | $33.4B | $1B |
Frequently asked questions
Who is richer, Mark Zuckerberg or William MacMillan?
Mark Zuckerberg is richer, worth $209.7 billion compared with William MacMillan's $1.51 billion. The difference is $208.2 billion.
Who makes more per second, Mark Zuckerberg or William MacMillan?
William MacMillan makes more: about $2.28 per second versus −$124. Per day that's $196,560 vs −$10.69M.
How many times richer is Mark Zuckerberg than William MacMillan?
Mark Zuckerberg has about 138 times William MacMillan's net worth.