Sergey Brin vs Denis O'Brien: who is richer?
Sergey Brin is richer, with a net worth of $218.1 billion versus Denis O'Brien's $3.09 billion — a gap of $215 billion, or 70 times as much (as of November 7, 2026).
Sergey Brin
Source of wealth: Google
$218.1B
Made since you opened this page: $0.00
Denis O'Brien
Source of wealth: Telecom
$3.09B
Made since you opened this page: $0.00
Side-by-side
| Sergey Brin | Denis O'Brien | |
|---|---|---|
| Net worth | $218.1B | $3.09B |
| World rank | #4 | #1349 |
| Makes per second | $1,584 | $1.86 |
| Makes per day | $136.9M | $160,987 |
| Today | +$1.58B | −$105,683 |
| Source of wealth | Telecom | |
| Age | 53 | 68 |
| Country | United States | Ireland |
Net worth by year
| Year | Sergey Brin | Denis O'Brien |
|---|---|---|
| 2026 | $237B | $3.1B |
| 2025 | $138B | $3B |
| 2024 | $110B | $2.8B |
| 2023 | $76B | $2.7B |
| 2022 | $107B | $3.8B |
| 2021 | $89B | $4.6B |
| 2020 | $49.1B | $2.9B |
| 2019 | $49.8B | $4B |
| 2018 | $47.5B | $4.6B |
| 2017 | $39.8B | $4.7B |
| 2016 | $34.4B | $5.7B |
| 2015 | $29.2B | $6.8B |
Frequently asked questions
Who is richer, Sergey Brin or Denis O'Brien?
Sergey Brin is richer, worth $218.1 billion compared with Denis O'Brien's $3.09 billion. The difference is $215 billion.
Who makes more per second, Sergey Brin or Denis O'Brien?
Sergey Brin makes more: about $1,584 per second versus $1.86. Per day that's $136.9M vs $160,987.
How many times richer is Sergey Brin than Denis O'Brien?
Sergey Brin has about 70 times Denis O'Brien's net worth.