Sergey Brin vs Donald Mackenzie: who is richer?
Sergey Brin is richer, with a net worth of $218.1 billion versus Donald Mackenzie's $1.22 billion — a gap of $216.9 billion, or 178 times as much (as of November 7, 2026).
Sergey Brin
Source of wealth: Google
$218.1B
Made since you opened this page: $0.00
Donald Mackenzie
Source of wealth: Private equity
$1.22B
Side-by-side
| Sergey Brin | Donald Mackenzie | |
|---|---|---|
| Net worth | $218.1B | $1.22B |
| World rank | #4 | #2995 |
| Makes per second | $1,585 | −$3.49 |
| Makes per day | $136.9M | −$301,754 |
| Today | +$1.58B | −$4.29M |
| Source of wealth | Private equity | |
| Age | 53 | 69 |
| Country | United States | United Kingdom |
Net worth by year
| Year | Sergey Brin | Donald Mackenzie |
|---|---|---|
| 2026 | $237B | $1.1B |
| 2025 | $138B | $1.4B |
| 2024 | $110B | — |
| 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 Donald Mackenzie?
Sergey Brin is richer, worth $218.1 billion compared with Donald Mackenzie's $1.22 billion. The difference is $216.9 billion.
Who makes more per second, Sergey Brin or Donald Mackenzie?
Sergey Brin makes more: about $1,585 per second versus −$3.49. Per day that's $136.9M vs −$301,754.
How many times richer is Sergey Brin than Donald Mackenzie?
Sergey Brin has about 178 times Donald Mackenzie's net worth.