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BillionaireTracker

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 & familyGeorge 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 wealthLuxury goodsOil & gas, banking
Age7684
CountrySouth AfricaUnited States

Net worth by year

YearJohann Rupert & familyGeorge 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.