Sergey Brin vs Thomas Duff: who is richer?
Sergey Brin is richer, with a net worth of $218.1 billion versus Thomas Duff's $4.45 billion — a gap of $213.6 billion, or 49 times as much (as of November 7, 2026).
Sergey Brin
Source of wealth: Google
$218.1B
Made since you opened this page: $0.00
Thomas Duff
Source of wealth: Tires, diversified
$4.45B
Made since you opened this page: $0.00
Side-by-side
| Sergey Brin | Thomas Duff | |
|---|---|---|
| Net worth | $218.1B | $4.45B |
| World rank | #4 | #962 |
| Makes per second | $1,584 | $22.84 |
| Makes per day | $136.9M | $1.97M |
| Today | +$1.58B | $0 |
| Source of wealth | Tires, diversified | |
| Age | 53 | 69 |
| Country | United States | United States |
Net worth by year
| Year | Sergey Brin | Thomas Duff |
|---|---|---|
| 2026 | $237B | $4.5B |
| 2025 | $138B | $3.3B |
| 2024 | $110B | $3B |
| 2023 | $76B | $2.3B |
| 2022 | $107B | $2B |
| 2021 | $89B | $1.4B |
| 2020 | $49.1B | $1.4B |
| 2019 | $49.8B | $1.2B |
| 2018 | $47.5B | — |
| 2017 | $39.8B | — |
| 2016 | $34.4B | — |
| 2015 | $29.2B | — |
Frequently asked questions
Who is richer, Sergey Brin or Thomas Duff?
Sergey Brin is richer, worth $218.1 billion compared with Thomas Duff's $4.45 billion. The difference is $213.6 billion.
Who makes more per second, Sergey Brin or Thomas Duff?
Sergey Brin makes more: about $1,584 per second versus $22.84. Per day that's $136.9M vs $1.97M.
How many times richer is Sergey Brin than Thomas Duff?
Sergey Brin has about 49 times Thomas Duff's net worth.