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Welcome to Wikidata

the free knowledge base with 14,883,264 data items that anyone can edit

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Wikidata is a free linked database 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, 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.
  • 2015-09-22: The twenty-one-millionth item, about a phonetic rule in Alemannic, is created.
  • 2015-09-22: Phase 2 of Wikibooks has launched.
  • 2015-09-16: Arbitrary access is deployed to every Wikimedia wikis that phase 2 supported except Wikimedia Commons.
  • 2015-09-09: Meta, and Wikispecies deployment planned to start October 20th.
  • 2015-09-09: Unit support has launched.
  • 2015-09-09: Usage tracking is deployed to every Wikimedia wikis that phase 1 supported.

More news... (edit [in English])

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Innovative applications and contributions from the Wikidata community

Featured WikiProject:
WikiProject Names.

"What's in a name?" asked Shakespeare's Juliet.

The answer: a lot of rich data in need of structure and new properties. But thanks to growing user contributions and the work of a new WikiProject, Wikidata is getting better at supporting name-related data—and can tell you that Juliet also goes by Julika, and Giulia, and Hülya, and Liana, and Uljana...
Juliet - Philip H. Calderon.jpg


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     Wikinews – News     Wikiquote – Collection of quotations     Wikisource – Library     Wikiversity – Learning materials and activities     Wikivoyage – Travel guides    Wikispecies – Directory of species     Wikimedia Commons – Media repository     Incubator – New language versions     Meta-Wiki – Wikimedia project coordination     MediaWiki – Software documentation