Mozilla Foundation

Analysis

Mozilla Foundation is a registered charity in United States, based in San Francisco, CA. It received its IRS tax-exemption ruling in June 2004, 22 years ago. Its declared purposes cover science and technology, which this site groups under arts, culture, heritage and science. The IRS classifies it as a publicly supported organisation (donations from the general public) under section 501(c)(3), and contributions to it are listed as tax-deductible.

In the financial year ending December 2023, Mozilla Foundation reported income of $64.7m and spending of $39.8m, leaving 38% of income unspent that year. Across the 5 years on record, from December 2019 to December 2023, income grew from $28.4m to $64.7m (+128%), an average of +23% a year. The sharpest change came in the year to December 2022, when income rose by 62%. Over the whole period it spent 67% of the income it received.

Among 45,478 United States charities whose main cause is arts, culture, heritage and science and that reported income, Mozilla Foundation sits at the 100th percentile: it is one of the largest 1% in its cause. Against every charity in United States with reported income it ranks in the 99th percentile, and in the 99th percentile within CA. Charities of a similar size with the same main cause include Radio Free Asia ($64.6m), Performing Arts Center of Los Angeles County ($65.3m) and Kenneth C Griffin Museum of Science and Industry ($64.4m).

On its Form 990 for the period ending December 2023, revenue came from contributions and grants 12% and program service revenue 30% of the total. Compensation of current officers, directors and key employees was $3.3m (8.3% of expenses). Other salaries and wages came to $10.1m. At year end it held assets of $124.2m against liabilities of $6.2m, net assets of $118.0m. It reported 66 employees.