United States ยท 501(c)(3) tax-exempt organisation
Wikimedia Foundation: financial filings
Wikimedia Foundation Org is a US tax-exempt organisation (files Form 990) based in San Francisco, CA. The figures below are taken from its annual filings to the Internal Revenue Service as published by ProPublica Nonprofit Explorer, for the 5 most recent tax periods available.1
IdentifierEIN 20-0049703
RegulatorInternal Revenue Service
Income, year to 30 June 2023USD 180.2 million
ExpenditureUSD 168.3 million
Total assetsUSD 274.1 million
Filings by year
Total incomeTotal expenditure
| Year ending | Form | Income | Expenditure | Assets | Grants paid (990-PF) |
|---|---|---|---|---|---|
| 30 June 20232 | Form 990 | USD 180.2 million | USD 168.3 million | USD 274.1 million | |
| 30 June 20223 | Form 990 | USD 167.9 million | USD 145.8 million | USD 251.0 million | |
| 30 June 20214 | Form 990 | USD 159.0 million | USD 111.7 million | USD 240.2 million | |
| 30 June 20205 | Form 990 | USD 124.6 million | USD 112.2 million | USD 191.3 million | |
| 30 June 20196 | Form 990 | USD 118.6 million | USD 90.1 million | USD 176.0 million |
Officer and director compensation
- 30 June 2019: Compensation of current officers, directors and key employees (total, as reported): USD 1,788,9296
- 30 June 2020: Compensation of current officers, directors and key employees (total, as reported): USD 2,186,7365
- 30 June 2021: Compensation of current officers, directors and key employees (total, as reported): USD 3,200,3694
- 30 June 2022: Compensation of current officers, directors and key employees (total, as reported): USD 4,262,1383
- 30 June 2023: Compensation of current officers, directors and key employees (total, as reported): USD 4,145,4772
Figures are as reported in the filing for each year, in the currency of the filing. Totals are not adjusted for inflation.
Sources
- ProPublica Nonprofit Explorer, Wikimedia Foundation Org, Nonprofit Explorer organisation page (IRS data) (21 October 2026)
- Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2023-06-30
- Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2022-06-30
- Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2021-06-30
- Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2020-06-30
- Internal Revenue Service filing via ProPublica Nonprofit Explorer, Form 990 for the tax period ending 2019-06-30