Free knowledge for every person on the planet.
The non-profit that hosts Wikipedia and its sister projects in more than 300 languages.
Headquarters in San Francisco, United States. Operating across 1+ countries.
A timeline since 2003.
Key outcomes reported by the organisation.
Annual revenue & program efficiency.
Official figures from IRS Form 990 via ProPublica, refreshed automatically (last checked 10/14/2026). View filings
| Year | Revenue (USD) | Program ratio | Bar |
|---|---|---|---|
| 2019 | $119M | — | |
| 2020 | $125M | — | |
| 2021 | $159M | — | |
| 2022 | $168M | — | |
| 2023 | $180M | — |
Rough estimate for 2023. Charities don't make profits — this shows how income is spent.
About $12M of income was not spent that year — typically held in reserves or endowment for future work.
Program share based on typical figures for similar charities; admin/fundraising split is estimated. Total spending is from official filings.
Where this profile can be verified or synced.