Wikimedia Foundation Inc.

Fiscal year ending 2020. Filed on May 11, 2021.

1 Montgomery Street Suite 1600
San Francisco, California 94104

Wikimedia Foundation Inc. (EIN: 20-0049703) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2020 IRS Form 990 filing, Wikimedia Foundation Inc., a 501(c)(3) charitable organization, reported compensation for 13 out of 291 total employees. Among the employees shown here, the average compensation is $253,332. The highest compensated employee at Wikimedia Foundation Inc. is Katherine Maher with fiscal year 2020 compensation of $409,005.

Revenue, expenses, and employee compensation

Revenue

$124,631,267

Expenses

$112,162,122

Employee compensation

$55,634,913
Revenue, expenses, and employee compensation over time

Mission Statement

THE MISSION OF THE WIKIMEDIA FOUNDATION IS TO EMPOWER AND ENGAGE PEOPLE AROUND THE WORLD TO COLLECT AND DEVELOP EDUCATIONAL CONTENT UNDER A FREE LICENSE OR IN THE PUBLIC DOMAIN AND TO DISSEMINATE IT EFFECTIVELY AND GLOBALLY. (SEE SCHEDULE O)IN COORDINATION WITH A NETWORK OF INDIVIDUAL VOLUNTEERS AND OUR INDEPENDENT MOVEMENT ORGANIZATIONS, INCLUDING RECOGNIZED CHAPTERS, THEMATIC ORGANIZATIONS, USER GROUPS, AND PARTNERS, THE FOUNDATION PROVIDES THE ESSENTIAL INFRASTRUCTURE AND AN ORGANIZATIONAL FRAMEWORK FOR THE SUPPORT AND DEVELOPMENT OF MULTILINGUAL WIKI PROJECTS AND OTHER ENDEAVORS WHICH SERVE THIS MISSION. THE FOUNDATION WILL MAKE AND KEEP USEFUL INFORMATION FROM ITS PROJECTS AVAILABLE ON THE INTERNET FREE OF CHARGE, IN PERPETUITY.

Revisions to this organization profile

April 29, 2025:
2024 Wikimedia Foundation Inc. 990 filed
May 13, 2024:
2023 Wikimedia Foundation Inc. 990 filed
May 4, 2023:
2022 Wikimedia Foundation Inc. 990 filed

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