Mark Zuckerberg vs Alan Trefler: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus Alan Trefler's $2.6 billion — a gap of $207.1 billion, or 81 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
Alan Trefler
Source of wealth: Software
$2.6B
Side-by-side
| Mark Zuckerberg | Alan Trefler | |
|---|---|---|
| Net worth | $209.7B | $2.6B |
| World rank | #5 | #1572 |
| Makes per second | −$124 | −$9.87 |
| Makes per day | −$10.69M | −$853,154 |
| Today | +$1.72B | −$90.4M |
| Source of wealth | Software | |
| Age | 42 | 70 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | Alan Trefler |
|---|---|---|
| 2026 | $222B | $3.5B |
| 2025 | $216B | $3.1B |
| 2024 | $177B | $2.6B |
| 2023 | $64.4B | $1.8B |
| 2022 | $67.3B | $2.9B |
| 2021 | $97B | $4.8B |
| 2020 | $54.7B | $2.5B |
| 2019 | $62.3B | $2.3B |
| 2018 | $71B | $1.9B |
| 2017 | $56B | $1.6B |
| 2016 | $44.6B | — |
| 2015 | $33.4B | — |
Frequently asked questions
Who is richer, Mark Zuckerberg or Alan Trefler?
Mark Zuckerberg is richer, worth $209.7 billion compared with Alan Trefler's $2.6 billion. The difference is $207.1 billion.
Who makes more per second, Mark Zuckerberg or Alan Trefler?
Alan Trefler makes more: about −$9.87 per second versus −$124. Per day that's −$853,154 vs −$10.69M.
How many times richer is Mark Zuckerberg than Alan Trefler?
Mark Zuckerberg has about 81 times Alan Trefler's net worth.