Johann Rupert & family vs George Kaiser: who is richer?
Johann Rupert & family is richer, with a net worth of $15.91 billion versus George Kaiser's $15.77 billion — a gap of $138.7 million, or 1.01 times as much (as of November 7, 2026).
Johann Rupert & family
Source of wealth: Luxury goods
$15.91B
Made since you opened this page: $0.00
George Kaiser
Source of wealth: Oil & gas, banking
$15.77B
Made since you opened this page: $0.00
Side-by-side
| Johann Rupert & family | George Kaiser | |
|---|---|---|
| Net worth | $15.91B | $15.77B |
| World rank | #178 | #181 |
| Makes per second | $37.75 | $7.31 |
| Makes per day | $3.26M | $631,355 |
| Today | −$127.3M | +$117.9M |
| Source of wealth | Luxury goods | Oil & gas, banking |
| Age | 76 | 84 |
| Country | South Africa | United States |
Net worth by year
| Year | Johann Rupert & family | George Kaiser |
|---|---|---|
| 2026 | $16.1B | $16.2B |
| 2025 | $14B | $15.4B |
| 2024 | $12.2B | $14.6B |
| 2023 | $11.1B | $13.3B |
| 2022 | $8.9B | $9.9B |
| 2021 | $7.1B | $5.8B |
| 2020 | $4.6B | $5.6B |
| 2019 | $5.5B | $7.6B |
| 2018 | $7B | $7.8B |
| 2017 | $6.1B | $7.9B |
| 2016 | $5.3B | $7.1B |
| 2015 | $7.4B | $9B |
Frequently asked questions
Who is richer, Johann Rupert & family or George Kaiser?
Johann Rupert & family is richer, worth $15.91 billion compared with George Kaiser's $15.77 billion. The difference is $138.7 million.
Who makes more per second, Johann Rupert & family or George Kaiser?
Johann Rupert & family makes more: about $37.75 per second versus $7.31. Per day that's $3.26M vs $631,355.
How many times richer is Johann Rupert & family than George Kaiser?
Johann Rupert & family has about 1.01 times George Kaiser's net worth.