Sergey Brin vs Jeffrey Koo Jr: who is richer?
Sergey Brin is richer, with a net worth of $218.1 billion versus Jeffrey Koo Jr's $7.29 billion — a gap of $210.8 billion, or 30 times as much (as of November 7, 2026).

Sergey Brin
Source of wealth: Google
$218.1B
Made since you opened this page: $0.00
Jeffrey Koo Jr
Source of wealth: Finance
$7.29B
Made since you opened this page: $0.00
Side-by-side
| Sergey Brin | Jeffrey Koo Jr | |
|---|---|---|
| Net worth | $218.1B | $7.29B |
| World rank | #4 | #553 |
| Makes per second | $1,584 | $55.14 |
| Makes per day | $136.9M | $4.76M |
| Today | +$1.58B | −$111.2M |
| Source of wealth | Finance | |
| Age | 53 | 62 |
| Country | United States | Taiwan |
Net worth by year
| Year | Sergey Brin | Jeffrey Koo Jr |
|---|---|---|
| 2026 | $237B | $6.2B |
| 2025 | $138B | $4.5B |
| 2024 | $110B | $1.7B |
| 2023 | $76B | — |
| 2022 | $107B | — |
| 2021 | $89B | — |
| 2020 | $49.1B | — |
| 2019 | $49.8B | — |
| 2018 | $47.5B | — |
| 2017 | $39.8B | — |
| 2016 | $34.4B | — |
| 2015 | $29.2B | — |
Frequently asked questions
Who is richer, Sergey Brin or Jeffrey Koo Jr?
Sergey Brin is richer, worth $218.1 billion compared with Jeffrey Koo Jr's $7.29 billion. The difference is $210.8 billion.
Who makes more per second, Sergey Brin or Jeffrey Koo Jr?
Sergey Brin makes more: about $1,584 per second versus $55.14. Per day that's $136.9M vs $4.76M.
How many times richer is Sergey Brin than Jeffrey Koo Jr?
Sergey Brin has about 30 times Jeffrey Koo Jr's net worth.