Charles Koch & family
Source of wealth: Koch, Inc.
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Biography
Charles Koch has been chairman of Koch, Inc., America's second largest private company by revenue, since 1967. He brought on his first ever co-CEO in 2023.
The diversified company has some $125 billion in revenues from businesses including pipelines, chemicals, software, automotive components and Dixie cups.
His father, Fred Koch, improved a method of refining heavy oil into gasoline in 1927 and started the family business in 1940.
In 1983, Charles and his brother David (d. 2019) bought out their siblings Bill and Frederick (d. 2020) for a reported $800 million. David's widow Julia Koch inherited his 42% stake.
From 2020 to 2022, Charles transferred $5.3 billion of Koch, Inc.'s nonvoting stock to a pair of nonprofits with fewer restrictions on lobbying and politics than traditional charities.
Forbes estimates those shares accounted for nearly a tenth of the 42% stake previously held by Charles (though he still has 42% voting power).
Perspective on their fortune
Gold
Everyday luxury

A Charles Koch & family's fortune is equivalent to 497 of gold, but this may be difficult to value, as we don't usually have a handful of gold bars in our piggy bank.

A standard gold ring typically weighs between 4 and 7 grams. Let's say this one weighs 5 grams. It's usually 18k gold.
Based on today's gold price (not taking into account the jeweler's fee, shipping, or anything else), that gold ring would be worth $556.3
Charles Koch & family could buy 132,644,272 gold rings. That's a lot of fingers and a lot of gifts!!
And if the number of rings is difficult to visualize, all these rings would need 24 trucks to transport them, But we can be almost certain that Charles Koch & family will have enough left over to pay for the gas for those trucks.
Health
The price of life
Let's compare Charles Koch & family's fortune with the healthcare spending of a huge country
Charles Koch & family could fund the entire healthcare system of DR Congo with a population of over 105,800,000 of inhabitants for approximately 33.2 years.
But even if we compare their fortune to that of a rich country
At the other extreme, Charles Koch & family could cover the health expenditure of Luxembourg, considered the world's most heavily invested health system, for 14.7 years
Education
Buying the future
Lowest education spending
Charles Koch & family could assume the entire cost of the education system of Nigeria, the most populous country in Africa, with more than 243,000,000 inhabitants for 21.7 years.
Highest education spending
But not only could he assume the cost of a poor country, Luxembourg is considered the country with the highest per capita investment in education in the world, Charles Koch & family could pay for it in full for 29.5 years.
Research
The monopoly of progress
Lowest research spending
Charles Koch & family could fully fund the state research budget of Pakistan, the fifth most populous country in the world with more than 260,000,000 of inhabitants, for 124.2 years.
Highest research spending
But even if we compare the total wealth of Charles Koch & family with Israel, the country that currently invests the most per capita in research in the world, it could assume the total cost of the system for 2.8 years.
Financial Assets
Financial assets information not available.
Monthly wealth history
Fortune comparison
Historical data not available for comparison