Liabilities / Assets
20th percentile
Higher debt load relative to assets than 20% of similar nonprofits.
990 • Fiscal year 2015 • EIN 20-0049703
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
20th percentile
Higher debt load relative to assets than 20% of similar nonprofits.
Liabilities / Revenue
11th percentile
Higher debt load relative to revenue than 11% of similar nonprofits.
Net Margin
86th percentile
Higher net margin than 86% of similar nonprofits.
Top Officer Pay
49th percentile
Higher top officer pay than 49% of similar nonprofits.
Top officer pay equals 0.4% of source-year revenue.
Asset Growth
94th percentile
Faster asset growth than 94% of similar nonprofits.
Revenue Growth
92nd percentile
Faster revenue growth than 92% of similar nonprofits.
Assets
Up$82,753,985
Up $22,193,211 (+37%) from 2014
Net Assets
Up$77,820,298
Up $24,345,277 (+46%) from 2014
Liabilities
Down$4,933,687
Down $2,152,066 (-30%) from 2014
Revenue
Up$78,127,085
Up $25,136,594 (+47%) from 2014
Expenses
Up$52,452,126
Up $7,411,735 (+16%) from 2014
Net Income
Up$25,674,959
Up $17,724,859 (+223%) from 2014
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. In collaboration with a network of chapters and affiliated entities, 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.
Wikimedia fdn supports wikipedia, its sister projects, and the wikimedia community to help the world share in free knowledge.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $20,965,679 | $36,774,647 | ▲ $15,808,968 |
| Cash and Non-Interest-Bearing Accounts | $9,172,030 | $19,215,059 | ▲ $10,043,029 |
| Savings and Temporary Cash Investments | $18,707,950 | $17,473,879 | ▼ $1,234,071 |
| Land, Buildings, and Equipment, Net | $4,053,326 | $5,089,075 | ▲ $1,035,749 |
| Investments Other Securities | $2,294,967 | $0 | ▼ $2,294,967 |
| Pledges and Grants Receivable | $3,766,769 | $2,203,725 | ▼ $1,563,044 |
| Prepaid Expenses and Deferred Charges | $1,294,779 | $1,265,790 | ▼ $28,989 |
| Inventories for Sale or Use | $84,398 | $57,174 | ▼ $27,224 |
| Accounts Receivable | $0 | $0 | → $0 |
| Other Notes and Loans Receivable, Net | $0 | $0 | → $0 |
| Receivable From Disqualified Prsn | $0 | $0 | → $0 |
| Receivables From Officers Etc | $0 | $0 | → $0 |
| Investments Program Related | $0 | $0 | → $0 |
| Intangible Assets | $0 | $0 | → $0 |
| Loans From Officers Directors | $0 | $0 | → $0 |
| Total Assets | $60,560,774 | $82,753,985 | ▲ $22,193,211 |
| Other Assets Total | $220,876 | $674,636 | ▲ $453,760 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $5,605,935 | $4,691,017 | ▼ $914,918 |
| Other Liabilities | $1,462,254 | $235,394 | ▼ $1,226,860 |
| Deferred Revenue | $17,564 | $7,276 | ▼ $10,288 |
| Grants Payable | $0 | $0 | → $0 |
| Mortgage Notes Payable Secured by Investment Property | $0 | $0 | → $0 |
| Unsecured Notes Loans Payable | $0 | $0 | → $0 |
| Escrow Account Liability | $0 | $0 | → $0 |
| Tax Exempt Bond Liabilities | $0 | $0 | → $0 |
| Total Liabilities | $7,085,753 | $4,933,687 | ▼ $2,152,066 |
| Net Assets / Fund Balance | |||
| Unrestricted Net Assets | $49,825,252 | $71,764,845 | ▲ $21,939,593 |
| Temporarily Rstr Net Assets | $3,649,769 | $6,055,453 | ▲ $2,405,684 |
| Permanently Rstr Net Assets | $0 | $0 | → $0 |
| Total Net Assets Fund Balance | $53,475,021 | $77,820,298 | ▲ $24,345,277 |
| Total Liabilities and Net Assets / Fund Balance | $60,560,774 | $82,753,985 | ▲ $22,193,211 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Equipment | $4,594,254 | $10,004,946 | $14,599,200 |
| Leasehold Improvements | $494,821 | $126,819 | $621,640 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Lila Tretikov | Executive Director | FT | $248,973 | $77,389 | $326,362 |
| Sue Gardner | Special Advisor | FT | $112,500 | $207,557 | $320,057 |
| Geoff Brigham | Secretary and General Counsel | FT | $225,170 | $25,209 | $250,379 |
| Garfield Byrd | Treasurer and CFA | FT | $173,839 | $29,782 | $203,621 |
| Erik Moeller | VP of Product | FT | $191,603 | $8,853 | $200,456 |
| Gayle Young | Chief Talent & Culture Officer | FT | $179,800 | $19,314 | $199,114 |
| Robert Lanphier | Director of Engineering | FT | $153,161 | $28,401 | $181,562 |
| Anthony Negrin | Director of Engineering | FT | $152,844 | $20,368 | $173,212 |
| Luis Villa | Sr. Director community engagement | FT | $151,928 | $14,667 | $166,595 |
| Name | Title |
|---|---|
| jan-bart de vreede | chair |
| patricio lorente | vice chair |
| Frieda Brioschi | Trustee |
| Guy Kawasaki | trustee |
| Phoebe Ayers | trustee |
| alice wiegand | trustee |
| maria sefidari | trustee |
| samuel klein | trustee |
| stu west | trustee |
| jimmy wales | founder |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Jones Day | Legal Services | 555 California Street 26th Floor, San Francisco, CA 94104 | $1,742,916 |
| 365 Services LLC | Web Hosting Services | 25 Lusk Street, San Francisco, CA 94107 | $201,014 |
| Full Circle Group | Strategy Design | 5671 S Redwood Road Suite 20, Salt Lake City, UT 84123 | $188,213 |
| Cyrus One | Data Center | PO Box 122496, Dallas, TX 75312 | $160,355 |
| Cooley LLP | Legal Services | 101 California 5th Floor, San Francisco, CA 94111 | $157,284 |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Securities Publicly Traded | 87 | $379,522 | average market value |
| Total Noncash Contributions | 87 | $379,522 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $26,125,610 |
| Other Expenses | $21,465,616 |
| Total Fundraising Expense | $5,658,408 |
| Grants and Similar Amounts Paid | $4,614,390 |
| Professional Fundraising Fees | $246,510 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $16,314,814 | $2,476,556 | $1,542,597 | $20,333,967 |
| Fees for Services Other | $2,335,484 | $1,706,954 | $623,857 | $4,666,295 |
| Foreign Grants | $4,308,739 | - | - | $4,308,739 |
| Depreciation Depletion | $2,050,930 | $605,173 | - | $2,656,103 |
| Fees for Services Legal | $1,675,212 | $825,815 | $119,724 | $2,620,751 |
| Other Employee Benefits | $1,816,315 | $504,187 | $181,966 | $2,502,468 |
| Information Technology | $2,234,890 | $160,805 | - | $2,395,695 |
| Conferences and Meetings | $1,961,966 | $170,733 | $28,242 | $2,160,941 |
| Current Officers, Directors, Trustees, and Key Employees | $887,413 | $457,012 | $26,809 | $1,371,234 |
| Payroll Taxes | $1,007,583 | $256,019 | $101,879 | $1,365,481 |
| Occupancy | $749,723 | $206,044 | $91,605 | $1,047,372 |
| Travel | $514,441 | $98,292 | $60,254 | $672,987 |
| Pension Plan Contributions | $391,784 | $113,998 | $46,678 | $552,460 |
| Office Expenses | $155,157 | $330,612 | $40,071 | $525,840 |
| Insurance | - | $482,585 | - | $482,585 |
| All Other Expenses | $121,831 | $169,936 | $53,491 | $345,258 |
| Fees for Services Professional Fundraising | - | - | $246,510 | $246,510 |
| Grants to Domestic Individuals | $195,438 | - | - | $195,438 |
| Fees for Services Accounting | - | $116,784 | - | $116,784 |
| Grants to Domestic Orgs | $110,213 | - | - | $110,213 |
| Other Expenses | $89,836 | $275,164 | $9,960 | $89,836 |
| Advertising | $49,923 | $555 | - | $50,478 |
| Total Functional Expenses | $37,088,538 | $9,705,180 | $5,658,408 | $52,452,126 |
| Line Item | Amount |
|---|---|
| Total Expenses per Audited Statements | $52,596,782 |
| Total Expenses per Form 990 | $52,452,126 |
| Expenses per Audited Statements | $52,082,538 |
| Expenses Not Reported on Form 990 | $514,244 |
| Expenses Not Reported on Financial Statements | $369,588 |
| Other Expense Adjustments | $369,588 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| West Virginia University Foundation | Morgantown, WV | 501(c)(3) | See Part Iv | $27,100 |
| Wiki Society of Washington Dc | Washington, DC | 501(c)(3) | See Part Iv | $21,696 |
| The John Ernest Foundation | Palo Alto, CA | 501(c)(3) | See Part Iv | $20,000 |
| ADA Initiative Inc | San Francisco, CA | 501(c)(3) | See Part IV | $17,682 |
| Wikimedia New York City Inc | Brooklyn, NY | 501(c)(3) | See Part IV | $7,580 |
| Metropolitan New York Library Council | New York, NY | 501(c)(3) | See Part Iv | $7,070 |
| Region | Activity | Services | Offices | Employees | Spending |
|---|---|---|---|---|---|
| Europe (Including Iceland and Greenland) | Investments | N/a | - | - | $5,196,067 |
| Europe (Including Iceland and Greenland) | Program Services | Support Wikipedia | - | 33 | $3,372,390 |
| Europe (Including Iceland and Greenland) | Grantmaking | Further Mission | - | - | $3,022,583 |
| Russia and the Newly Independent States | Grantmaking | Further Mission | - | - | $260,335 |
| Middle East and North Africa | Grantmaking | Further Mission | - | - | $219,506 |
| South Asia | Grantmaking | Further Mission | - | - | $201,914 |
| North America | Program Services | Support Wikipedia | - | 4 | $182,555 |
| South America | Grantmaking | Further Mission | - | - | $166,114 |
| East Asia and the Pacific | Program Services | Support Wikipedia | - | 2 | $144,571 |
| Europe (Including Iceland and Greenland) | Grantmaking | Further Mission | - | - | $81,759 |
| South Asia | Program Services | Support Wikipedia | - | - | $56,825 |
| Middle East and North Africa | Grantmaking | Further Mission | - | - | $50,891 |
| Sub-Saharan Africa | Grantmaking | Further Mission | - | - | $46,836 |
| South America | Grantmaking | Conference Scholarship | - | - | $34,636 |
| South Asia | Grantmaking | Conference Scholarship | - | - | $32,613 |
| North America | Grantmaking | Further Mission | - | - | $31,045 |
| Europe (Including Iceland and Greenland) | Grantmaking | Conference Scholarship | - | - | $28,319 |
| South America | Program Services | Support Wikipedia | - | - | $27,992 |
| Middle East and North Africa | Grantmaking | Conference Scholarship | - | - | $22,302 |
| South Asia | Grantmaking | Further Mission | - | - | $20,571 |
| South America | Grantmaking | Further Mission | - | - | $19,486 |
| East Asia and the Pacific | Grantmaking | Conference Scholarship | - | - | $17,442 |
| Sub-Saharan Africa | Program Services | Support Wikipedia | - | - | $12,713 |
| East Asia and the Pacific | Grantmaking | Further Mission | - | - | $10,044 |
| North America | Grantmaking | Conference Scholarship | - | - | $9,510 |
| Sub-Saharan Africa | Grantmaking | Conference Scholarship | - | - | $9,443 |
| North America | Grantmaking | Further Mission | - | - | $5,832 |
| Middle East and North Africa | Program Services | Support Wikipedia | - | 4 | $5,742 |
| Russia and the Newly Independent States | Program Services | Support Wikipedia | - | - | $5,448 |
| Russia and the Newly Independent States | Grantmaking | Conference Scholarship | - | - | $4,136 |
| Sub-Saharan Africa | Grantmaking | Further mission | - | - | $3,945 |
| Europe (Including Iceland and Greenland) | Grantmaking | Further Mission | - | - | $1,913 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $246,510 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Loans from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
| Receivables from Disqualified Persons | $0 | $0 | → $0 |
| Receivables from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
| Liability | Amount |
|---|---|
| Straight Line Rent Expense Adj | $198,596 |
| Other Liabilities | $36,798 |
“The Board consists of a maximum of ten Trustees. Three seats are selected by the Wikimedia community, two seats are selected by the Wikimedia chapters, one seat is reserved for Jimmy Wales as the Community Founder, and four seats may be selected by the Board for specific expertise. As with all Board seats, the Board must independently appoint the candidates for the Community and Chapter seats. Form 990 part VI, line 11a Review of Form 990: The first draft of the 990 was developed by an external accounting firm under the direction of the Controller with additional guidance from the Chief Financial Officer (CFO). It was reviewed for accuracy and completeness by the CFO and then by the Executive Director. Then a meeting of the audit committee was held at which the CFO walked through the draft in detail for the audit committee's approval. A complete copy of the Form 990 was provided to the voting members of the governing body prior to filing with the Internal Revenue Service. Form 990 Part VI, Line 12 Conflict of interest: The organization's board members, and officers (covered persons) complete annually a Conflict of Interest Statement the purpose of which is to identify any personal, family and/or business relationships and/or transactions that may pose a potential conflict. The filed Conflict of Interest forms are submitted to and reviewed by the general counsel and only reviewed by the Board if it's needed. Additionally, the covered persons also complete annually a Pledge of Personal Commitment that affirms that the individual is in compliance with the Conflict of Interest Policy and that the individual will promptly notify the Executive Director and the Board Chair when a conflict or potential conflict arises. Furthermore, in the case of a conflict, the individual agrees to refrain from using his or her personal influence to encourage the Foundation to enter the transaction and must physically excuse himself or herself from any further discussions other than to answer questions about the transaction. In the case of potential conflict, the remaining Board members review the potential transaction to determine whether said transaction is fair and reasonable to the Foundation and legal counsel is consulted as necessary to ensure that such a transaction would not constitute an excess benefit transaction.”
“The Wikimedia Foundation Board of Trustees is responsible for approving the compensation of the Executive Director. On April 10, 2014 The Board of Trustees, all independent members, reviewed the Executive Director's proposed compensation, and made a decision based on compensation data from comparable organizations. The Board of Trustee's deliberations and decision were contemporaneously documented, including who attended and voted and a description of the comparable documentation used and how it was obtained. Form 990 Part VI Line 15b IN SETTING COMPENSATION FOR OTHER OFFICERS, THE HUMAN RESOURCES COMMITTEE, CONSISTING OF PERSONS INDEPENDENT TO THE TRANSACTIONS CONSIDERED, HAS SECURED AND REVIEWED COMPARABILITY DATA ABOUT COMPENSATION AT ORGANIZATIONS OF SIMILAR SIZE AND SCOPE TO THE WIKIMEDIA FOUNDATION, INCLUDING SALARY, BONUSES AND NON-MONETARY BENEFITS AND PERQUISITES. THE REVIEW INCLUDED INFORMATION FROM AN INDEPENDENT SALARY SURVEY. THE COMMITTEE'S deliberations and DECISION WAS CONTEMPORANEOUSLY DOCUMENTED, INCLUDING WHO ATTENDED AND VOTED AND A DESCRIPTION OF THE COMPARABLE DOCUMENTATION USED AND HOW IT WAS OBTAINED. The Committee did follow the rebuttable presumption process in establishing compensation, and provided their recommendation, but due to oversight actual approval did not occur for FY15.”
“The organization's website includes links to its governing documents, its conflict of interest policy and its audited financial statements. http://wikimediafoundation.org/wiki/Bylaws http://wikimediafoundation.org/wiki/Conflict_of_interest_policy http://wikimediafoundation.org/wiki/Financial_reports”
“Other changes in net assets or fund balances Unrealized Foreign Exchange Loss $ (1,260,848) Return of Unused Grant $ 91,701 Total: $ (1,169,147)”
“Reclassed Rental Expenses $278,674”
“Revenue reclassed from expenses $277,887”
“Reclassed Rental Expenses $278,674”
“Return of Unused Grant $ 91,701 Expenses reclassed from Revenue $277,887 ============== Total Schedule D, Part XII, Line 4b $369,588”
“ASC 740, Income Taxes The Foundation has evaluated the financial statement impact of positions taken or expected to be taken in its tax returns. Management has determined that no tax liabilities need be recorded under applicable accounting guidance.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 5605935 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 4691017 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 0 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | WIKIMEDIA FDN SUPPORTS WIKIPEDIA, ITS SISTER PROJECTS, AND THE WIKIMEDIA COMMUNITY TO HELP THE WORLD SHARE IN FREE KNOWLEDGE. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 555 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 49923 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 50478 |
| IRS990/AllOtherContributionsAmt | 0 | 77451505 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 53491 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 169936 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 121831 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 345258 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | JAIME VILLAGOMEZ |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4158396885 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 149 NEW MONTGOMERY6TH FLOOR |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | san francisco |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94105 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 9172030 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 19215059 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 12 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 26809 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 457012 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 887413 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 1371234 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 28242 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 170733 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1961966 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 2160941 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 1742916 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 188213 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 157284 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 160355 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 201014 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 555 California Street 26th Floor |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 5671 S Redwood Road Suite 20 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 101 California 5th Floor |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | PO Box 122496 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 25 Lusk Street |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | SAN FRANCISCO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | SALT LAKE CITY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | SAN FRANCISCO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | DALLAS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | SAN FRANCISCO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | UT |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | TX |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 94104 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 84123 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 94111 |
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| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 94107 |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | Jones Day |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 1 | Full Circle Group |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 2 | Cooley LLP |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 3 | Cyrus One |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 4 | 365 Services LLC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Legal Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Strategy Design |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | Legal Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | Data Center |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | Web Hosting Services |
| IRS990/CostOfGoodsSoldAmt | 0 | 22977 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 77451505 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 4614390 |
| IRS990/CYInvestmentIncomeAmt | 0 | 586634 |
| IRS990/CYOtherExpensesAmt | 0 | 21465616 |
| IRS990/CYOtherRevenueAmt | 0 | 10834 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 78112 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 25674959 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 26125610 |
| IRS990/CYTotalExpensesAmt | 0 | 52452126 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 5658408 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 246510 |
| IRS990/CYTotalRevenueAmt | 0 | 78127085 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | true |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 17564 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 7276 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 605173 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 2050930 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 2656103 |
| IRS990/Desc | 0 | Our core functions include support for Wikipedia.org and the other Wikimedia websites, which together are one of the world's most popular web properties, and the world's largest collaborative free knowledge project. The Wikimedia Foundation provides the servers and electricity needed to keep the websites running, along with dedicated technical resources to build, improve, and maintain the technical infrastructure of Wikimedia projects. These ongoing engineering efforts and product improvements require research and design work, as well as legal support. All of this allows for the best experience for our readers and volunteer community, ensuring users continue to access, contribute to and grow the world's largest online free knowledge resource. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 192 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 24109608 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 116784 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 116784 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 119724 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 825815 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 1675212 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 2620751 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 623857 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 1706954 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 2335484 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 4666295 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 246510 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 246510 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | true |
| IRS990/ForeignCountryCd | 0 | FR |
| IRS990/ForeignCountryCd | 1 | UK |
| IRS990/ForeignFinancialAccountInd | 0 | true |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 4308739 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 4308739 |
| IRS990/ForeignOfficeInd | 0 | true |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 17 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 18 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 26467 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 22265 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 18213 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 8316 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 18716 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 15628 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 28093 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 19513 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 14393 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | jimmy wales |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | jan-bart de vreede |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | stu west |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | maria sefidari |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Guy Kawasaki |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | alice wiegand |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | samuel klein |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | patricio lorente |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Phoebe Ayers |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Frieda Brioschi |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Garfield Byrd |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Geoff Brigham |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Lila Tretikov |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Erik Moeller |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | Sue Gardner |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Gayle Young |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | Robert Lanphier |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | Anthony Negrin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | Luis Villa |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 177154 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 228114 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 308149 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 192140 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 301341 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 183486 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 153469 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 153699 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 152202 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | founder |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | vice chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Treasurer and CFA |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Secretary and General Counsel |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Executive Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | VP of Product |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Special Advisor |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | Chief Talent & Culture Officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | Director of Engineering |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | Director of Engineering |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | Sr. dir. community engagement |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/Form990TFiledInd | 0 | true |
| IRS990/FormationYr | 0 | 2003 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -94408 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 195438 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 195438 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 110213 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 110213 |
| IRS990/GrantsToIndividualsInd | 0 | true |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 20279090 |
| IRS990/GrossReceiptsAmt | 0 | 98802234 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 268970 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 40588 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 10 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 69 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartVInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InfoInScheduleOPartXInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 160805 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 2234890 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 2395695 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 482585 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 482585 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 84398 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 57174 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 681042 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 681042 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 2294967 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 20965679 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 36774647 |
| IRS990/IRPDocumentCnt | 0 | 64 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 10131765 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 4053326 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 5089075 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 15220840 |
| IRS990/LegalDomicileStateCd | 0 | FL |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 20373498 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 278674 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | true |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | 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. IN COLLABORATION WITH A NETWORK OF CHAPTERS AND AFFILIATED ENTITIES, 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. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | true |
| IRS990/MoreThan5000KToOrgInd | 0 | true |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 53475021 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 77820298 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -94408 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -94408 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 17611 |
| IRS990/NetIncomeOrLossGrp/UnrelatedBusinessRevenueAmt | 0 | 17611 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | -9704 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | -9704 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -160535 |
| IRS990/NoncashContributionsAmt | 0 | 379522 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 91605 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 206044 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 749723 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1047372 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 40071 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 330612 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 155157 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 525840 |
| IRS990/OfficerMailingAddressInd | 0 | false |
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Displayed year
2015 • Form 990Detailed filing. Detailed filing data is available for this year.