Gustav Magnar Witzoe vs James Duff: who is richer?
Gustav Magnar Witzoe is richer, with a net worth of $4.48 billion versus James Duff's $4.47 billion — a gap of $10.16 million, or 1.00 times as much (as of November 7, 2026).
Gustav Magnar Witzoe
Source of wealth: Fish farming
$4.48B
Made since you opened this page: $0.00
James Duff
Source of wealth: Tires, diversified
$4.47B
Made since you opened this page: $0.00
Side-by-side
| Gustav Magnar Witzoe | James Duff | |
|---|---|---|
| Net worth | $4.48B | $4.47B |
| World rank | #956 | #959 |
| Makes per second | $23.39 | $23.19 |
| Makes per day | $2.02M | $2M |
| Today | −$61.38M | $0 |
| Source of wealth | Fish farming | Tires, diversified |
| Age | 33 | 65 |
| Country | Norway | United States |
Net worth by year
| Year | Gustav Magnar Witzoe | James Duff |
|---|---|---|
| 2026 | $4.4B | $4.5B |
| 2025 | $3.3B | $3.3B |
| 2024 | $4.2B | $3B |
| 2023 | $2.7B | $2.3B |
| 2022 | $4.5B | $2B |
| 2021 | $4.4B | $1.4B |
| 2020 | $2.3B | $1.4B |
| 2019 | $3B | $1.2B |
| 2018 | $1.9B | — |
| 2017 | $1.6B | — |
| 2016 | $1.1B | — |
Frequently asked questions
Who is richer, Gustav Magnar Witzoe or James Duff?
Gustav Magnar Witzoe is richer, worth $4.48 billion compared with James Duff's $4.47 billion. The difference is $10.16 million.
Who makes more per second, Gustav Magnar Witzoe or James Duff?
Gustav Magnar Witzoe makes more: about $23.39 per second versus $23.19. Per day that's $2.02M vs $2M.
How many times richer is Gustav Magnar Witzoe than James Duff?
Gustav Magnar Witzoe has about 1.00 times James Duff's net worth.