Wikimedia Foundation

General

Used as filename or fragment reference: wikimedia
Common Name: Wikimedia
Legal Name: Wikimedia Foundation
Contact Us: https://wikimediafoundation.org/about/contact/
Website: https://wikimediafoundation.org/
Location: US
State: CA
Software Types: non-code
Wikidata ID: Q180

Governance

Board Size: 12
Board Website: https://wikimediafoundation.org/role/board/
Team, staff, or employee roster URL.: https://wikimediafoundation.org/role/staff/
Misson Statement: https://wikimediafoundation.org/who-we-are/
Example Projects Hosted: Wikipedia
Project List Website: https://wikimediafoundation.org/what-we-do/wikimedia-projects/
Nonprofit Type: Nonprofit501c3

Funding

Tax Authority ID: 20-0049703
Budget in USD: 120M
Budget Year: 2020

Tax Filings - US

IRS determination date: 2005-03-01
NTEE Code: B60
Most recent filing: 2025-06-01, assets $310.79M
Revenue and expenses reported on IRS Form 990 filings, via ProPublica Nonprofit Explorer (data) or IRS downloads.
Tax yearRevenueExpenses
2023$180.2M $168.31M
2022$167.91M $145.84M
2021$158.99M $111.67M
2020$124.63M $112.16M
2019$118.59M $90.06M
2018$101.58M $78.73M
2017$89.97M $69.08M
2016$78.69M $65.06M
2015$78.13M $52.45M
2014$52.99M $45.04M
2013$45.67M $35.17M
2012$39.7M $28.96M
2011$27.19M $17.54M

Policy

Code Of Conduct Website: https://foundation.wikimedia.org/wiki/Policy:Universal_Code_of_Conduct

Trademark

Primary Brand Name: Wikipedia
Secondary Brand Name(s): Wikimedia
Is Primary Brand Registered?: true
Trademark Policy Website: https://foundation.wikimedia.org/wiki/Policy:Wikimedia_Foundation_Trademark_Policy

The nonprofit Wikimedia Foundation provides the essential infrastructure for free knowledge, by hosting Wikipedia and other free data sources.