How many employees work at Wikimedia Foundation?
Wikimedia Foundation, Inc. has 3,335 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 2.3%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Wikimedia Foundation
About the Wikimedia Foundation The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and the other Wikimedia free knowledge projects. Our vision is a world in which every single human can freely share in the sum of all knowledge. We believe that everyone has the potential to contribute something to our shared knowledge, and that everyone should be able to access that knowledge freely. We host Wikipedia and the Wikimedia projects, build software experiences for reading, contributing, and sharing Wikimedia content, support the volunteer communities and partners who make Wikimedia possible, and advocate for policies that enable Wikimedia and free knowledge to thrive. The Wikimedia Foundation is a charitable, not-for-profit organization that relies on donations. We receive donations from millions of individuals around the world, with an average donation of about $15. We also receive donations through institutional grants and gifts. The Wikimedia Foundation is a United States 501(c)(3) tax-exempt organization with offices in San Francisco, California, USA.
As of September 2025
Wikimedia Foundation
workforce metrics
Headcount
3.3k
Avg. Salary
$46.5k
Tenure
6.0yr
Growth Rate
2.3%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Wikimedia Foundation annual worldwide employee count from 2023 to 2025.
- Wikimedia Foundation total number of employees in 2025 was 3,369.081, a 2.3% increase from 2024.
- Wikimedia Foundation total number of employees in 2024 was 3,273.869, a 2.1% increase from 2023.
- Wikimedia Foundation total number of employees in 2023 was 3,212.56, a 3.2% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Wikimedia Foundation annual active job postings from 2023 to 2025.
- Wikimedia Foundation active job postings in 2025 was 829, a 82.0% increase from 2024.
- Wikimedia Foundation active job postings in 2024 was 497, a 10.8% increase from 2023.
- Wikimedia Foundation active job postings in 2023 was 446, a 13.4% decline from 2022.
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Employee Sentiment
Sentiment Topics
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