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Wikipedia is a free and open encyclopedia, hosted by the Wikimedia Foundation. The heart and soul of Wikipedia is our global community of over 265,000+ volunteer contributors, billions of readers, and donors like yourself – all united to share unlimited access to reliable information. Your donations keep our knowledge projects like Wikipedia freely available to everyone. Please help us keep Wikipedia growing.
Where your donations go
Transparency is core to the Wikimedia Foundation’s mission. Learn about how donations were spent last year to keep websites like Wikipedia thriving.
How we use your donationsSupport from around the globe
Donors from around the world support over 300 Wikipedias, represent more than 30 countries and more than 20 languages. Every country is different and we provide a variety of methods to make donations.
Ways you can giveLeave a legacy
Create a legacy that empowers free and equal access to the world’s knowledge. Make a future donation through your will or other estate plans.
Ensure the future of free knowledgeOur benefactors
We are grateful to the generous benefactors who have made significant donations. Large gifts ensure that Wikipedia and other Wikimedia projects have support for years to come.
Celebrating our benefactorsTax deductibility
As a 501(c)(3) nonprofit public charity, the Wikimedia Foundation may receive tax-deductible donations in the United States. Learn more about tax deductibility in other countries.
More information about tax deductibilityHow does Wikipedia work?
Do you ever wonder how Wikipedia, the free online encyclopedia anyone can edit, really works? Or even, who are the people who edit and improve it? This video, which is part of our A Wiki Minute series, will help!
Help us unlock the world’s knowledge.
As a nonprofit, Wikipedia and our related free knowledge projects are powered primarily through donations.
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First grants announced from the Wikimedia Endowment to support technical innovation across Wikipedia and Wikimedia projects
The Wikimedia Endowment, the long-term fund established in 2016 to support the future of Wikimedia sites, has announced its first recipients of grant funding. The initiatives that will receive grant funding include Abstract Wikipedia, Kiwix, Machine Learning, and Wikidata.
Wikimedia Enterprise announces Google and Internet Archive as its first customers; allows new customers to self sign-up for free trials
Wikimedia Enterprise announced its first customers: multinational technology company Google and nonprofit digital library Internet Archive. Wikimedia Enterprise was recently launched by the Wikimedia Foundation as an opt-in product.
More about giving to the Wikimedia Foundation
Thank a volunteer. We use proceeds from the store to send thank you gifts to the volunteers who make Wikipedia possible.
Endowment gifts help us preserve, build, and ensure the future of free knowledge for future generations.
Photo credits
Zack McCune/Wikimedia Foundation
Jason Krüger for Wikimedia Deutschland e.V.
