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Wikidata is a free knowledge base driven by a community and initiated by the Wikimedia Foundation. It aims to support Wikipedia and its sibling projects (such as Wikivoyage) by providing a centralized database.


Linking from OSM to Wikidata

In OpenStreetMap Wikidata entities can be linked on every kind of osm object using the wikidata key. An other way to link objects is by using Key:wikipedia. Tools like WIWOSM are supporting this way. With wikidata tag, data can be easily checked with the Wikidata+OSM SPARQL query service, which could show any discrepancies and errors.


wikidata=* IDs can be added by using:

Validation tools:

Note that in certain cases, wikidata=* should be used as a suffix of another key. For example, if you want to link an OSM shop to the Wikidata object of the brand, you can use brand:wikidata=*; a statue can be tagged artist:wikidata=* and subject:wikidata=*, etc.

Wikidata user script

Wikidata's "Overpass" user script adds, to a Wikidata item page, a map showing features tagged, in OSM, with the ID of that Wikidata item.

Linking from Wikidata to OSM

  • A way is to link from Wikidata entities to OpenStreetMap relations by using Property P402 (there is no method to link ways and nodes).
  • A list of all currently linked OSM relations can be found here: Special:WhatLinksHere/Property:P402.
  • This may be problematic, since OSM's IDs are not stable

OSM Tags and Keys

For a list of OSM tags' and keys' equivalent items in Wikidata, see Property:P1282.


Wikipedia etc

Wikimedia Foundation projects, including each language's Wikipedia, are now displaying maps using OSM data. If an entity in OSM has been tagged with a Wikidata ID, its outline can be highlighted on the map. At the moment, there is no POI support. Only shapes and lines can be shown this way. See [1].



Reasonator, which puts a human-friendly front end on Wikidata, is now showing two links for geotagged entries, to TagInfo and Overpass turbo, querying these tags

For example, the Reasonator page:

has links to:

You'll see them just below the map images.

Importing data

Importing data from OSM into Wikidata

Copying data from OSM to Wikidata (or even from other Wikimedia projects) is not allowed because Wikidata uses the public-domain style Creative Commons CC0 license which does not contain any attribution or share-alike provisions.

Importing data from Wikidata into OSM

Wikidata has CC0 license but does not allow to import of all data. Note that significant part of Wikidata data was harvested from Wikipedia, what includes for example coordinates from sources on licenses conflicting with OSM. Copying from Google Maps is not OK, and copying Wikidata coordinates (that were copied from Wikipedia, sourced to Google Maps) is also not OK.

Import are OK only for Wikidata content that was imported from sources compatible with OSM - what excludes for example coordinates obtained from Wikipedia.

OpenStreetMap tries to be whiter than white, and data should be legally usable in any country[1]. Therefore OpenStreetMap acknowledges sui generis database right. As a conclusion, an import of information from Wikidata into OSM is generally not permitted because Wikidata has lower standards in terms of copyright than OSM. In addition, Wikidata contains some data from sources we are not allowed to use [2].

In rare situations, when it is possible to verify that data has acceptable copyright status it is possible to use part of Wikidata data.


Past activities

  • 2013-09-12: There was a proposal to automatically add Wikidata IDs to a number of OSM objects.
  • 2016-10-27: Mapbox has proposed a procedure for importing, but has yet to get community feedback on it and thus reverted in the meantime.
  • 2016-11-17: There has been a Mapbox inspired mass-edit but has also been put on hold until further community discussion.

See also