Sergey Brin vs Chey Ki-won: who is richer?
Sergey Brin is richer, with a net worth of $218.1 billion versus Chey Ki-won's $1.74 billion — a gap of $216.4 billion, or 125 times as much (as of November 7, 2026).

Sergey Brin
Source of wealth: Google
$218.1B
Made since you opened this page: $0.00
Chey Ki-won
Source of wealth: computer services, telecom
$1.74B
Made since you opened this page: $0.00
Side-by-side
| Sergey Brin | Chey Ki-won | |
|---|---|---|
| Net worth | $218.1B | $1.74B |
| World rank | #4 | #2341 |
| Makes per second | $1,585 | $5.11 |
| Makes per day | $136.9M | $441,505 |
| Today | +$1.58B | −$127.5M |
| Source of wealth | computer services, telecom | |
| Age | 53 | 62 |
| Country | United States | South Korea |
Net worth by year
| Year | Sergey Brin | Chey Ki-won |
|---|---|---|
| 2026 | $237B | $1.5B |
| 2025 | $138B | — |
| 2024 | $110B | — |
| 2023 | $76B | — |
| 2022 | $107B | $1B |
| 2021 | $89B | $1.2B |
| 2020 | $49.1B | — |
| 2019 | $49.8B | $1.3B |
| 2018 | $47.5B | $1.4B |
| 2017 | $39.8B | $1B |
| 2016 | $34.4B | — |
| 2015 | $29.2B | $1.1B |
Frequently asked questions
Who is richer, Sergey Brin or Chey Ki-won?
Sergey Brin is richer, worth $218.1 billion compared with Chey Ki-won's $1.74 billion. The difference is $216.4 billion.
Who makes more per second, Sergey Brin or Chey Ki-won?
Sergey Brin makes more: about $1,585 per second versus $5.11. Per day that's $136.9M vs $441,505.
How many times richer is Sergey Brin than Chey Ki-won?
Sergey Brin has about 125 times Chey Ki-won's net worth.