As of 2022-03-07, the Wikidata property WorldCat Identities ID (P7859) is used on 1,846,890 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
P214 VIAF ID 1,843,123
 0.6710
P244 Library of Congress authority ID 1,167,023
 0.5760
P213 ISNI 1,141,535
 0.5444
P227 GND ID 759,843
 0.3194
P646 Freebase ID 706,822
 0.1271
P2671 Google Knowledge Graph ID 648,735
 0.0757
P1006 Nationale Thesaurus voor Auteurs ID 493,550
 0.2644
P269 IdRef ID 484,795
 0.2540
P268 Bibliothèque nationale de France ID 475,031
 0.2433
P1207 NUKAT ID 446,199
 0.2317
P2163 FAST ID 410,875
 0.2198
P691 NKCR AUT ID 297,071
 0.1488
P7293 PLWABN ID 289,364
 0.1529
P7902 Deutsche Biographie (GND) ID 287,561
 0.1317
P345 IMDb ID 183,982
 0.0748
P648 Open Library ID 181,575
 0.0938
P950 Biblioteca Nacional de España ID 167,783
 0.0894
P1871 CERL Thesaurus ID 163,612
 0.0847
P3987 SHARE Catalogue author ID 153,302
 0.0822
P1015 NORAF ID 152,343
 0.0820
P8189 National Library of Israel J9U ID 144,879
 0.0773
P3430 SNAC ARK ID 130,620
 0.0705
P434 MusicBrainz artist ID 124,021
 0.0638
P1953 Discogs artist ID 122,139
 0.0629
P4985 TMDb person ID 120,374
 0.0615
P349 National Diet Library ID 119,819
 0.0642
P3368 Prabook ID 118,034
 0.0604
P7704 Europeana entity 111,094
 0.0586
P8034 Vatican Library VcBA ID 97,635
 0.0526
P1280 CONOR.SI ID 89,213
 0.0479
P2002 Twitter username 86,243
 0.0416
P1315 NLA Trove people ID 86,228
 0.0463
P271 CiNii author ID (books) 79,150
 0.0427
P245 Union List of Artist Names ID 78,222
 0.0419
P949 National Library of Israel ID 74,104
 0.0400
P2605 ČSFD person ID 73,227
 0.0388
P906 SELIBR ID 71,601
 0.0387
P5587 Libris-URI 71,565
 0.0377
P2604 Kinopoisk person ID 70,657
 0.0375
P3065 RERO ID 70,614
 0.0382
P5882 Muziekweb performer ID 67,358
 0.0361
P2949 WikiTree person ID 67,344
 0.0333
P9918 Kallías ID 66,037
 0.0352
P650 RKDartists ID 65,839
 0.0349
P535 Find a Grave memorial ID 63,675
 0.0335
P2013 Facebook ID 63,675
 0.0316
P1417 Encyclopædia Britannica Online ID 63,366
 0.0324
P1566 GeoNames ID 62,960
 0.0115
P409 Libraries Australia ID 62,785
 0.0339
P5034 National Library of Korea ID 59,977
 0.0324

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P214 VIAF ID 1,843,123
 0.6710
P244 Library of Congress authority ID 1,167,023
 0.5760
P213 ISNI 1,141,535
 0.5444
P227 GND ID 759,843
 0.3194
P1006 Nationale Thesaurus voor Auteurs ID 493,550
 0.2644
P269 IdRef ID 484,795
 0.2540
P268 Bibliothèque nationale de France ID 475,031
 0.2433
P1207 NUKAT ID 446,199
 0.2317
P2163 FAST ID 410,875
 0.2198
P7293 PLWABN ID 289,364
 0.1529
P691 NKCR AUT ID 297,071
 0.1488
P7902 Deutsche Biographie (GND) ID 287,561
 0.1317
P646 Freebase ID 706,822
 0.1271
P648 Open Library ID 181,575
 0.0938
P950 Biblioteca Nacional de España ID 167,783
 0.0894
P1871 CERL Thesaurus ID 163,612
 0.0847
P3987 SHARE Catalogue author ID 153,302
 0.0822
P1015 NORAF ID 152,343
 0.0820
P8189 National Library of Israel J9U ID 144,879
 0.0773
P2671 Google Knowledge Graph ID 648,735
 0.0757
P345 IMDb ID 183,982
 0.0748
P3430 SNAC ARK ID 130,620
 0.0705
P349 National Diet Library ID 119,819
 0.0642
P434 MusicBrainz artist ID 124,021
 0.0638
P1953 Discogs artist ID 122,139
 0.0629
P4985 TMDb person ID 120,374
 0.0615
P3368 Prabook ID 118,034
 0.0604
P7704 Europeana entity 111,094
 0.0586
P8034 Vatican Library VcBA ID 97,635
 0.0526
P1280 CONOR.SI ID 89,213
 0.0479
P1315 NLA Trove people ID 86,228
 0.0463
P271 CiNii author ID (books) 79,150
 0.0427
P245 Union List of Artist Names ID 78,222
 0.0419
P2002 Twitter username 86,243
 0.0416
P949 National Library of Israel ID 74,104
 0.0400
P2605 ČSFD person ID 73,227
 0.0388
P906 SELIBR ID 71,601
 0.0387
P3065 RERO ID 70,614
 0.0382
P5587 Libris-URI 71,565
 0.0377
P2604 Kinopoisk person ID 70,657
 0.0375
P5882 Muziekweb performer ID 67,358
 0.0361
P9918 Kallías ID 66,037
 0.0352
P650 RKDartists ID 65,839
 0.0349
P409 Libraries Australia ID 62,785
 0.0339
P535 Find a Grave memorial ID 63,675
 0.0335
P2949 WikiTree person ID 67,344
 0.0333
P1417 Encyclopædia Britannica Online ID 63,366
 0.0324
P5034 National Library of Korea ID 59,977
 0.0324
P3762 openMLOL author ID 59,018
 0.0319
P1695 NLP ID (unique) 58,696
 0.0318