As of 2022-03-07, the Wikidata property Inforegister ID (P9321) is used on 4,530 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P6518 Business Registry code (Estonia) 4,529
 0.9211
P214 VIAF ID 539
 0.0002
P7859 WorldCat Identities ID 348
 0.0002
P646 Freebase ID 307
 0.0001
P2671 Google Knowledge Graph ID 231
 0.0000
P244 Library of Congress authority ID 212
 0.0002
P213 ISNI 91
 0.0001
P6782 ROR ID 81
 0.0008
P2427 GRID ID 81
 0.0008
P7891 EFIS filmfirm ID 56
 0.0123
P2013 Facebook ID 53
 0.0002
P1278 Legal Entity Identifier 50
 0.0015
P3500 Ringgold ID 44
 0.0004
P3608 EU VAT number 40
 0.0029
P691 NKCR AUT ID 37
 0.0001
P3417 Quora topic ID 36
 0.0002
P5785 EU Research participant ID 35
 0.0043
P2003 Instagram username 25
 0.0002
P434 MusicBrainz artist ID 24
 0.0001
P6366 Microsoft Academic ID 24
 0.0001
P2002 Twitter username 20
 0.0001
P227 GND ID 17
 0.0000
P268 Bibliothèque nationale de France ID 15
 0.0000
P4889 MuIS person or group ID 14
 0.0025
P2088 Crunchbase organization ID 14
 0.0006
P2397 YouTube channel ID 14
 0.0002
P3153 Crossref funder ID 12
 0.0006
P345 IMDb ID 12
 0.0000
P269 IdRef ID 11
 0.0000
P4639 Estonian Football Association team ID 10
 0.0022
P9937 Postimees topic ID 10
 0.0020
P966 MusicBrainz label ID 10
 0.0008
P8253 OSM Name Suggestion Index identifier 10
 0.0006
P2657 EU Transparency Register ID 8
 0.0010
P2581 BabelNet ID 8
 0.0001
P10283 OpenAlex ID 8
 0.0001
P1417 Encyclopædia Britannica Online ID 7
 0.0000
P7037 COURAGE ID 6
 0.0008
P432 callsign of airline 6
 0.0008
P8642 FBref squad ID 5
 0.0008
P1004 MusicBrainz place ID 5
 0.0004
P4264 LinkedIn company ID 5
 0.0003
P6482 Image Archive, Herder Institute 4
 0.0004
P1953 Discogs artist ID 4
 0.0000
P5584 QS World University ID 3
 0.0005
P5600 U-Multirank university ID 3
 0.0005
P7223 Transfermarkt team ID 3
 0.0004
P5586 Times Higher Education World University ID 3
 0.0004
P946 ISIN 3
 0.0003
P6698 Japan Search name ID 3
 0.0001

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P6518 Business Registry code (Estonia) 4,529
 0.9211
P7891 EFIS filmfirm ID 56
 0.0123
P5785 EU Research participant ID 35
 0.0043
P3608 EU VAT number 40
 0.0029
P4889 MuIS person or group ID 14
 0.0025
P4639 Estonian Football Association team ID 10
 0.0022
P9937 Postimees topic ID 10
 0.0020
P1278 Legal Entity Identifier 50
 0.0015
P2657 EU Transparency Register ID 8
 0.0010
P7037 COURAGE ID 6
 0.0008
P8642 FBref squad ID 5
 0.0008
P432 callsign of airline 6
 0.0008
P966 MusicBrainz label ID 10
 0.0008
P6782 ROR ID 81
 0.0008
P2427 GRID ID 81
 0.0008
P2088 Crunchbase organization ID 14
 0.0006
P8253 OSM Name Suggestion Index identifier 10
 0.0006
P3153 Crossref funder ID 12
 0.0006
P5584 QS World University ID 3
 0.0005
P5600 U-Multirank university ID 3
 0.0005
P7223 Transfermarkt team ID 3
 0.0004
P3500 Ringgold ID 44
 0.0004
P5586 Times Higher Education World University ID 3
 0.0004
P1004 MusicBrainz place ID 5
 0.0004
P3797 autonomous system number 2
 0.0004
P6482 Image Archive, Herder Institute 4
 0.0004
P7403 Publons publisher ID 2
 0.0004
P8645 Energy Identification Code 2
 0.0004
P6131 Soccerway team ID 2
 0.0003
P4264 LinkedIn company ID 5
 0.0003
P4146 Athenaeum museum ID 2
 0.0003
P1662 DOI prefix 2
 0.0003
P2627 ISO 9362 SWIFT/BIC code 2
 0.0003
P5531 Central Index Key 2
 0.0003
P946 ISIN 3
 0.0003
P5164 Flanders Arts Institute organisation ID 2
 0.0002
P2013 Facebook ID 53
 0.0002
P4678 MAVISE competent authority ID 1
 0.0002
P8176 Itch.io developer profile 1
 0.0002
P5183 Eurohockey.com club ID 1
 0.0002
P7490 Teams.by team ID 1
 0.0002
P5062 DOAB publisher ID 1
 0.0002
P9079 Red Cross FDRS ID 1
 0.0002
P9402 GameSpot developer ID 1
 0.0002
P4016 SlideShare username 1
 0.0002
P7358 FootballFacts.ru team ID 1
 0.0002
P3347 PermID 2
 0.0002
P2397 YouTube channel ID 14
 0.0002
P7438 FantLab publisher ID 1
 0.0002
P9950 RICS company code 1
 0.0002