Welcome!
Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.
Wikidata acts as central storage for the structured data of its Wikimedia sister projects including Wikipedia, Wikivoyage, Wiktionary, Wikisource, and others.
Wikidata also provides support to many other sites and services beyond just Wikimedia projects! The content of Wikidata is available under a free license, exported using standard formats, and can be interlinked to other open data sets on the linked data web.
Get involved
For a complete starters’ guide, visit the community portal.
Learn about Wikidata
- What is Wikidata? Read the Wikidata introduction.
- Explore Wikidata by looking at a featured showcase item for author Douglas Adams (Q42).
- Get started with Wikidata's SPARQL query service.
Contribute to Wikidata
- Learn to edit Wikidata: follow the tutorials.
- Work with other volunteers on a subject that interests you: join a WikiProject.
- Individuals and organizations can also donate data.
Meet the Wikidata community
- Visit the community portal or attend a Wikidata event.
- Create a user account.
- Talk and ask questions on the Project chat, Telegram groups, or the live IRC chatconnect.
Use data from Wikidata
- Learn how you can retrieve and use data from Wikidata.
News
- The Wikidata Query Service Days 2026 is coming soon! October 17 to 23.
- This online event will focus on the migration of the Wikidata Query Service from Blazegraph to QLever, and supporting the Wikidata community, tool maintainers and data reusers with adapting their queries and tools to the new endpoint.
- 🗓️ Session program is out now, and is designed to repeat sessions for different timezones, ensuring we reach as many Wikimedians as possible.
- 🔗 Register for news, updates and most importantly, access links to the conferencing software.
- 🗣️ Please share this event with anyone you know who makes use of SPARQL, the Wikidata Query Service or Wikidata lists, as there is a very high chance they will be affected!
- 2026-10-07: The Wikidata development team held the Q4 Wikidata+Wikibase office hour for 2026. They presented their work from the past quarter and discussed what's coming next. Session log is available.
Learn about data
New to the wonderful world of data? Develop and improve your data literacy through content designed to get you up to speed and feeling comfortable with the fundamentals in no time.
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Item: Earth (Q2)
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Property: highest point (P610)
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custom value: Mount Everest (Q513)
Related to current events
Discover
Innovative applications and contributions from the Wikidata community
Featured WikiProject:
WikiProject Women
👩🔬 Passionate about highlighting women's achievements? WikiProject Women is dedicated to creating and improving data about women worldwide. Help close the gender gap in knowledge!
More:
- Check out Wikidata:Tools for some of our best tools and gadgets for using and exploring Wikidata
- Try building SPARQL queries and inquiring data using natural language using the Spinach Wikidata assistant
- See the category for user-made bot-updated lists of Wikidata items
Know of an interesting project or research conducted using Wikidata? You can nominate content to be featured on the Main page here!
Wikipedia – Encyclopedia
Wiktionary – Dictionary and thesaurus
Wikibooks – Textbooks, manuals, and cookbooks
Wikiquote – Collection of quotations
Wikisource – Library
Wikiversity – Learning resources
Wikivoyage – Travel guides
Wikispecies – Directory of species
Wikifunctions – Free software functions
Wikimedia Commons – Media repository
Incubator – New language versions
Meta-Wiki – Wikimedia project coordination
MediaWiki – Software documentation