# Wikipedia

> Wikipedia is a free, multilingual encyclopedia written and maintained by volunteers and hosted by the nonprofit Wikimedia Foundation. Its open editing model solved the production bottleneck of an earlier expert-reviewed project, then created a permanent challenge: building trustworthy public knowledge from contributions anyone can propose. Reader donations fund most of the foundation's work, while Wikimedia Enterprise sells dependable data access to large-scale reusers.

- **Founded:** 2001
- **Headquarters:** San Francisco, United States
- **Founders:** Jimmy Wales (Co-founder), Larry Sanger (Co-founder; early editor)
- **Products:** Wikipedia, Wikipedia mobile apps, MediaWiki, Wikimedia Enterprise
- **Notable:** By January 2026, Wikipedia had over 65 million articles in more than 300 languages., The Wikimedia Foundation reported nearly 15 billion Wikipedia page views per month in January 2026., The Wikimedia Foundation reported nearly 250,000 active registered editors per month in January 2026.

## Products & services

- **Wikipedia** — Free, collaboratively edited encyclopedia across more than 300 languages.
- **Wikipedia mobile apps** — iOS and Android reading apps with saved articles for offline reading.
- **MediaWiki** — Free and open-source wiki software that powers Wikipedia and other sites.
- **Wikimedia Enterprise** — Commercial APIs and data delivery for organizations reusing Wikimedia content at scale.

## Achievements

- By January 2026, Wikipedia had over 65 million articles in more than 300 languages.
- The Wikimedia Foundation reported nearly 15 billion Wikipedia page views per month in January 2026.
- The Wikimedia Foundation reported nearly 250,000 active registered editors per month in January 2026.
- English Wikipedia passed two million articles in September 2007.

## Latest updates

- **2026-01** — Wikipedia marked its 25th anniversary; the Foundation reported 65 million articles across more than 300 languages.
- **2026-01** — Wikimedia Enterprise named Amazon, Meta, Microsoft, Mistral AI and Perplexity among partners.
- **2026-05** — The Foundation highlighted offline article saving and a reading challenge in its mobile apps.
- **2026-07** — The Foundation's 2026-27 plan prioritized direct traffic, editor engagement, infrastructure protection and responsible reuse.

## Links

- Website: https://www.wikipedia.org/
- LinkedIn: https://www.linkedin.com/company/wikipedia-the-free-encyclopedia/
- Twitter/X: https://twitter.com/Wikipedia
- GitHub: https://github.com/wikimedia
- YouTube: https://www.youtube.com/@wikipedia
- Bluesky: https://bsky.app/profile/wikipedia.org
- Instagram: https://www.instagram.com/wikipedia/
- Facebook: https://www.facebook.com/wikipedia/
- TikTok: https://www.tiktok.com/@wikipedia

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Profile page: https://yespress.io/wikipedia
Published by YesPress — https://yespress.io
Last updated: 2026-09-29