Wikimedia Foundation Org
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 …
Wikimedia Foundation Inc
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Make your donationAbout Wikimedia Foundation Org
We support protect fund openhuman knowledge We are the nonprofit that hosts Wikipedia. We support the people, technology, and policies that enable reliable information to be shared with the world. Help us support everyone’s access to reliable information. Why donate? By the numbers Wikipedia is the backbone of the internet’s knowledge. From students to chatbots,….
Verified certifications
Confirmed against the issuing authority - not self-reported.
Mission
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.
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 8 similar education in United StatesConcerns
· None foundWhere every $1 goes
· FY2024 · IRS 990 (FY2024)GiveRadar Analysis
Original analysis from GiveRadar's dataset of comparable organizations
Based on the records currently verified by GiveRadar, Wikimedia Foundation Org has a complete profile, cross-referenced across 3 independent sources including the IRS.
- By reported annual revenue, it is larger than 99% of the 88,739 education charities in the United States with financial records on GiveRadar. See the filings
- It is one of the better-documented education charities in the United States GiveRadar currently tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
- It has more complete contact information than nearly all comparable charities, with a verified website, email, phone and address on record. See national comparisons
- government registration
- financial records (5 filed years)
- disclosed leadership
- a website
- a contact email
- a donation page
- an owner-submitted profile claim
Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.
Common questions
· Auto-generated from filings + methodologyWikimedia Foundation Org is a registered education nonprofit based in San Francisco, CA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2003 and has been operating for 23 years. Its EIN is 200049703. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 80/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $185M in annual revenue. 83 officers and directors are publicly disclosed. No red flags have been detected.
Wikimedia Foundation Org's EIN (Employer Identification Number) is 200049703. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.
Wikimedia Foundation Org has a GiveRadar Integrity Assessment of 80/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 80 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 77% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for education charities in United States is 90/100.
Wikimedia Foundation Org is located in San Francisco, CA, United States. The organization was established in 2003 and has been active for 23 years.
Based on official tax filings, Wikimedia Foundation Org has $185M in annual revenue. It allocates 77% of expenses to programs and services. This is in line with the average of 73% for education charities in United States. Its revenue is significantly above the peer average of $7M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Wikimedia Foundation Org is classified as an Education organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a major organization. It has $185M in annual revenue. The organization has 83 disclosed officers and directors.
No red flags have been detected for Wikimedia Foundation Org. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.
According to GiveRadar's records, Wikimedia Foundation Org holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 77% of expenses go to programs (the peer average is 73%). You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.
We support protect fund openhuman knowledge We are the nonprofit that hosts Wikipedia. We support the people, technology, and policies that enable reliable information to be shared with the world. Help us support everyone’s access to reliable information. Why donate? By the numbers Wikipedia is the backbone of the internet’s knowledge. From students to chatbots,…. Wikimedia Foundation Org is classified as an education organization registered in United States. The organization was founded in 2003.
Among education charities registered in United States: It allocates 77% of expenses to programs, in line with the peer average of 73%. Its annual revenue of $185M is well above the peer average of $7M.
Yes, donations to Wikimedia Foundation Org are generally tax-deductible in the United States. Wikimedia Foundation Org is a 501(c)(3) tax-exempt organization. Its EIN is 200049703, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.
Filing history
5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
Sign up to viewTaxes
Tax-deductibility for donors
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
WIKIMEDIA FOUNDATION ORG is registered in United States. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
Always confirm tax treatment with the charity directly or your tax advisor before donating.
Staff & volunteers
From filings and published profiles
Leadership
From FY2024 filing
Officers & trustees (25)
Source: Public filings
25 officers and trustees on file - free with a GiveRadar account.
Latest news
From global news sources
10 articles found
From news sources and the organization. Shown for transparency; news never affects the integrity score.
Small Edits, Big Impact: My Wikimedia Story - Wikimedia.org
commons-wikimedia-org-wiki-file-202847935 | - the-sun.com
The Wikimedia Foundation’s Latest Transparency Report - Wikimedia.org
Wikimedia Foundation Secured Government’s Commitment to User Safety, Privacy, and Content Integrity Ahead of Administrative Registration in Indonesia - Wikimedia.org
Introducing the Wikimedia Foundation’s draft FY 2026-2027 Annual Plan - Wikimedia.org
Building a Wikimedia research community in Ukraine: a project recap - Wikimedia.org
How Wikimedia Israel redesigned its website for a new era - Wikimedia.org
Quo Vadis, Crawlers? Progress and what’s next on safeguarding our infrastructure - Wikimedia.org
From Tilcara to Wikipedia: Wikimedia Argentina Strengthens Its Work with the Jujuy Community to Document the Carnival - Wikimedia.org
Wikimedia Foundation Bulletin 2026 Issue 4 - Wikimedia.org
Activity timeline
Filings and press mentions, merged
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Sign up to write a reviewCause areas in United States
How many charities work in each area, with this charity's area highlighted.
Most common causes in United States
Causes charities work on most, with this charity's causes ticked.
Sources and verification
- Registration and legal identity
- Internal Revenue Service (IRS) - Tax Exempt Organization Search
- Financial filings
- IRS Form 990 filings - Fiscal year 2024 most recent on file.
- Officers and trustees
- Internal Revenue Service (IRS) - Tax Exempt Organization Search - 83 disclosed in the public registry.
- News and media coverage
- GDELT Project + Google News
Data freshness
What we know and don't know
Exactly which public data we hold on this charity. Our score reflects transparency, not impact.
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Financial data · FY2024 on record
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Named leadership · 83 officers on file
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Executive pay · Disclosed
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Government registration · Registered with an official registry
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Mission statement · Published
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Official website · On record
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Headquarters address · On file
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Direct contact · Email or phone published
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Tax-deductibility · Verified
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Founding date · 2003
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Programs & activitiesNo named programs listed by the charity
Methodology
GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.
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Quick facts about Wikimedia Foundation Org
- What is Wikimedia Foundation Org?
- Wikimedia Foundation Org is a education publicly-supported charity (509(a)(2)) based in San Francisco, United States. We support protect fund openhuman knowledge We are the nonprofit that hosts Wikipedia. We support the people, technology, and policies that enable reliable information to be shared with the world. Help us support everyone’s access to reliable information. Why donate? By the numbers Wikipedia is the backbone of the internet’s knowledge. From students to chatbots,….
- When was Wikimedia Foundation Org founded?
- Wikimedia Foundation Org was founded in 2003.
- Who leads Wikimedia Foundation Org?
- Jaime Villagomez serves as CFO.
- Where is Wikimedia Foundation Org located?
- Headquartered in San Francisco, CA, United States.
- What is Wikimedia Foundation Org's annual budget?
- Annual revenue for fiscal year 2024 is approximately $100M-$1B. 77% of expenses go to program services.
- Is Wikimedia Foundation Org trustworthy?
- Wikimedia Foundation Org has a GiveRadar Integrity Assessment of 80 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is Wikimedia Foundation Org's registration number?
- IRS EIN: 200049703.
- What is Wikimedia Foundation Org's website?
- https://www.wikimediafoundation.org