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Charles Koch & family
1–5%
Charles Koch & family has given an estimated 1–5% of current net worth ($76.9B), based on Forbes' philanthropy score.
- GiveRate
- 1–5%
- Net worth
- $76.9B
- Stated lifetime giving
- Not stated
- Forbes 400
- #19 · Koch, Inc. · Wichita, Kansas
- Status
- Source-reported range
- Sources
- Forbes 400 profile · Sept. 2026
The math
Forbes philanthropy score 2 of 5: lifetime giving is 1–5% of current net worth. The range is Forbes' own banding; GiveRate shows it as published.
Profile
- Age
- 90
- Residence
- Wichita, Kansas
- Industry
- Diversified
- Source of wealth
- Koch, Inc.
- Self-made
- No (inherited or family wealth)
- One-year change
- $73.8B (#17) in Sept. 2025 to $76.9B (#19) in Sept. 2026, a gain of 4%.
What the range means in dollars
Forbes gives Charles Koch & family a philanthropy score of 2 out of 5, meaning lifetime giving equals 1% to 5% of current net worth. On a $76.9B fortune, that implies lifetime giving of roughly between $769M and $3.8B. 138 of the 400 share this score, 177 score lower and 68 score higher.
For scale: 1% to 5% of a $50,000 household income would be $500 to $2,500.
Giving on record
Koch founded Stand Together, a network of nonprofits and donors focused on philanthropic and political advocacy causes, in 2003.
From the Forbes profile (Sept. 2026).
Others in Diversified
- Julia Koch & family: 1–5% · $84.6B
- Len Blavatnik: ≥2.8% · $35.2B
- Elaine Marshall & family: Under 1% · $32.2B
- Edythe Broad & family: ≥36.4% · $7.0B
- Phil Ruffin: Under 1% · $5.3B
- James Duff: Under 1% · $4.5B
Others in Kansas
- Peter Mallouk: Under 1% · $16.5B
- Min Kao & family: Under 1% · $8.7B
Questions
How much has Charles Koch & family given to charity?
Forbes scores Charles Koch & family 2 of 5 for philanthropy, meaning lifetime giving of 1% to 5% of net worth, roughly between $769M and $3.8B on a $76.9B fortune.
What is Charles Koch & family's net worth?
Forbes estimates $76.9B as of September 2026, ranking #19 on the Forbes 400.
What is Charles Koch & family's GiveRate?
1–5%. GiveRate is lifetime giving as a share of wealth, built from published Forbes figures. See giverate.org/methods/ for the method.

GiveRate is an estimate built only from the published figures above. Wealth and giving totals are themselves estimates. See methods. Spot an error? Request a correction. See all Forbes 400 (Sept. 2026) · Open in the interactive rankings · Calculate your own GiveRate