About

We share a commitment to free knowledge and work together with our community.

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

53 million

media files on Wikimedia Commons, the free media repository

1 billion

unique devices visit Wikimedia Foundation sites every month

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

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Wikimedia Foundation reaches $100 million Endowment goal as Wikipedia celebrates 20 years of free knowledge

22 September 2021, San Francisco, CA, USA — The Wikimedia Foundation, the nonprofit that operates Wikipedia and other Wikimedia projects, today announced that the Wikimedia Endowment has reached its initial $100 million fundraising goal ahead of schedule. This early achievement is a testament to the generosity of Endowment donors around the world and provides enduring….

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Federal Appeals Court Dismisses ACLU Challenge to NSA Internet Surveillance

NEW YORK — In a divided opinion, the Fourth Circuit dismissed an appeal brought by the Wikimedia Foundation, which challenges the National Security Agency’s mass interception and searching of Americans’ international internet communications. The American Civil Liberties Union, Knight First Amendment Institute at Columbia University, and the law firm Cooley LLP represent the Wikimedia Foundation….

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