Thomas Duff vs Cho Jyh-jer: who is richer?
Thomas Duff is richer, with a net worth of $4.45 billion versus Cho Jyh-jer's $4.45 billion — a gap of $8.61 million, or 1.00 times as much (as of November 7, 2026).
Thomas Duff
Source of wealth: Tires, diversified
$4.45B
Made since you opened this page: $0.00
Cho Jyh-jer
Source of wealth: Semiconductors
$4.45B
Made since you opened this page: $0.00
Side-by-side
| Thomas Duff | Cho Jyh-jer | |
|---|---|---|
| Net worth | $4.45B | $4.45B |
| World rank | #962 | #965 |
| Makes per second | $22.84 | $48.39 |
| Makes per day | $1.97M | $4.18M |
| Today | $0 | −$84.28M |
| Source of wealth | Tires, diversified | Semiconductors |
| Age | 69 | 70 |
| Country | United States | Taiwan |
Net worth by year
| Year | Thomas Duff | Cho Jyh-jer |
|---|---|---|
| 2026 | $4.5B | $2.9B |
| 2025 | $3.3B | $2B |
| 2024 | $3B | $1.7B |
| 2023 | $2.3B | $1.1B |
| 2022 | $2B | $1.4B |
| 2021 | $1.4B | $1.3B |
| 2020 | $1.4B | — |
| 2019 | $1.2B | — |
Frequently asked questions
Who is richer, Thomas Duff or Cho Jyh-jer?
Thomas Duff is richer, worth $4.45 billion compared with Cho Jyh-jer's $4.45 billion. The difference is $8.61 million.
Who makes more per second, Thomas Duff or Cho Jyh-jer?
Cho Jyh-jer makes more: about $48.39 per second versus $22.84. Per day that's $4.18M vs $1.97M.
How many times richer is Thomas Duff than Cho Jyh-jer?
Thomas Duff has about 1.00 times Cho Jyh-jer's net worth.