About

The Wikimedia Foundation is the nonprofit that hosts Wikipedia and our other free knowledge projects. We want to make it easier for everyone to share what they know. To do this, we keep Wikipedia and Wikimedia sites fast, reliable, and available to all. We protect the values and policies that allow free knowledge to thrive. We build new features and tools to make it easy to read, edit, and share from the Wikimedia sites. Above all, we support the communities of volunteers around the world who edit, improve, and add knowledge across Wikimedia projects.

Meet our staff and contractors

More than 550 staff and contractors support Wikimedia projects, communities, donors, and readers.

Work with us

We are taking on a huge challenge: free knowledge for all. View open positions and learn about working for the Foundation.

Meet our leadership

The Wikimedia Foundation leadership team oversees departments, internal teams, and staff.

Meet our Board of Trustees

The Wikimedia Foundation Board of Trustees oversees our work. The Board is the Foundation’s ultimate corporate authority.

View our financials

We publish detailed financial reports that include audited financial statements and budgets.

The Wikimedia Foundation mission

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.

Help us unlock the world’s knowledge.

As a nonprofit, Wikipedia and our related free knowledge projects are powered primarily through donations.

Donate now

82+ million

media files on Wikimedia Commons, the free media repository

1.8 billion

unique devices visit Wikimedia Foundation sites every month

Connect — Verbindung

Stay up-to-date on our work.

Contact a human

Questions about the Wikimedia Foundation or our projects? Get in touch with our team.

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News — Noticias

The search for The Sound of All Human Knowledge begins: Global contest aims to identify the first ever sound logo for Wikipedia and Wikimedia projects

Communications Community Community Engagement Foundation Technology

This post is also available in: اَلْعَرَبِيَّةُ, 中文, Bahasa Indonesia, Deutsche, Português, & 한국어. 13 September 2022 — Today, the Wikimedia Foundation, the nonprofit that supports Wikipedia and Wikimedia projects, is launching The Sound of All Human Knowledge, a global contest to find a sound logo for Wikipedia and Wikimedia projects. Submissions are open from….

13 September 2022 By Wikimedia Foundation

Panorama of United States Supreme Court Building at Dusk

Wikimedia Foundation, ACLU, and Knight Institute Urge U.S. Supreme Court to Hear Challenge to NSA’s Mass Surveillance

Advocacy Foundation Legal Wikimedia v. NSA

The Wikimedia Foundation, the nonprofit that operates Wikipedia, petitioned the U.S. Supreme Court today to review a challenge to the National Security Agency’s (NSA) mass surveillance of Americans’ private emails, internet messages, and web communications with people overseas, also known as its “Upstream” surveillance program. In its petition, Wikimedia asks the Court to reject the….

26 August 2022 By Wikimedia Foundation

Elsewhere in Wikimedia — En Otro Lugar de Wikimedia

Annual plans

View what we plan to accomplish this year and next. Each annual plan begins on 1 July and concludes on 30 June of the following year.

Fundraising reports

Annual fundraising reports offer a transparent view of our fundraising operations, successes, and future plans.

Grants

Grants support impact-driven individuals, groups, and organizations whose efforts support our free knowledge mission.

Movement affiliates

Wikimedia movement affiliates support work focused on a specific theme, topic, or subject within or across countries and regions.

Past annual reports

Years of annual reports cover the activities and impact of the Foundation.