Kenneth Dart vs James Duff: who is richer?
Kenneth Dart is richer, with a net worth of $4.48 billion versus James Duff's $4.47 billion — a gap of $8.84 million, or 1.00 times as much (as of November 7, 2026).
Kenneth Dart
Source of wealth: Investments
$4.48B
James Duff
Source of wealth: Tires, diversified
$4.47B
Made since you opened this page: $0.00
Side-by-side
| Kenneth Dart | James Duff | |
|---|---|---|
| Net worth | $4.48B | $4.47B |
| World rank | #957 | #959 |
| Makes per second | −$89.39 | $23.19 |
| Makes per day | −$7.72M | $2M |
| Today | −$223.3M | $0 |
| Source of wealth | Investments | Tires, diversified |
| Age | 71 | 65 |
| Country | Belize | United States |
Net worth by year
| Year | Kenneth Dart | James Duff |
|---|---|---|
| 2026 | $4B | $4.5B |
| 2025 | $9B | $3.3B |
| 2024 | $4.7B | $3B |
| 2023 | $3.9B | $2.3B |
| 2022 | $3.6B | $2B |
| 2021 | — | $1.4B |
| 2020 | — | $1.4B |
| 2019 | — | $1.2B |
Frequently asked questions
Who is richer, Kenneth Dart or James Duff?
Kenneth Dart is richer, worth $4.48 billion compared with James Duff's $4.47 billion. The difference is $8.84 million.
Who makes more per second, Kenneth Dart or James Duff?
James Duff makes more: about $23.19 per second versus −$89.39. Per day that's $2M vs −$7.72M.
How many times richer is Kenneth Dart than James Duff?
Kenneth Dart has about 1.00 times James Duff's net worth.