As of 2022-03-07, the Wikidata property Library of Congress authority ID (P244) is used on 1,346,172 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
P31 instance of 1,333,726
 0.0143
P214 VIAF ID 1,292,716
 0.4622
P7859 WorldCat Identities ID 1,167,023
 0.5760
P21 sex or gender 1,027,611
 0.1266
P569 date of birth 1,025,112
 0.1803
P106 occupation 941,330
 0.1289
P735 given name 925,217
 0.1368
P213 ISNI 921,638
 0.5075
P27 country of citizenship 784,623
 0.1707
P19 place of birth 686,455
 0.1890
P646 Freebase ID 630,768
 0.1228
P570 date of death 607,541
 0.1755
P227 GND ID 575,620
 0.2791
P734 family name 572,027
 0.1336
P1412 languages spoken, written or signed 558,332
 0.1985
P18 image 454,269
 0.0909
P269 IdRef ID 438,293
 0.3013
P1006 Nationale Thesaurus voor Auteurs ID 433,743
 0.3043
P2163 FAST ID 429,931
 0.3185
P268 Bibliothèque nationale de France ID 428,548
 0.2860
P1207 NUKAT ID 385,213
 0.2592
P2671 Google Knowledge Graph ID 377,670
 0.0453
P69 educated at 369,150
 0.1375
P373 Commons category 356,646
 0.0804
P20 place of death 351,988
 0.1618
P691 NKCR AUT ID 259,602
 0.1693
P7293 PLWABN ID 228,811
 0.1575
P108 employer 228,786
 0.1015
P166 award received 203,561
 0.1153
P17 country 191,317
 0.0123
P856 official website 188,986
 0.0702
P7902 Deutsche Biographie (GND) ID 186,245
 0.1044
P648 Open Library ID 174,113
 0.1207
P1559 name in native language 169,240
 0.0966
P1343 described by source 168,940
 0.0904
P8189 National Library of Israel J9U ID 161,550
 0.1191
P950 Biblioteca Nacional de España ID 150,695
 0.1082
P3987 SHARE Catalogue author ID 148,163
 0.1083
P1015 NORAF ID 144,705
 0.1061
P131 located in the administrative territorial entity 139,259
 0.0120
P345 IMDb ID 137,720
 0.0687
P625 coordinate location 134,421
 0.0134
P3430 SNAC ARK ID 127,067
 0.0937
P463 member of 117,063
 0.0763
P571 inception 111,912
 0.0305
P39 position held 108,947
 0.0557
P7763 copyright status as a creator 105,361
 0.0659
P3368 Prabook ID 103,488
 0.0704
P910 topic's main category 101,359
 0.0529
P1871 CERL Thesaurus ID 94,736
 0.0631

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P7859 WorldCat Identities ID 1,167,023
 0.5760
P213 ISNI 921,638
 0.5075
P214 VIAF ID 1,292,716
 0.4622
P2163 FAST ID 429,931
 0.3185
P1006 Nationale Thesaurus voor Auteurs ID 433,743
 0.3043
P269 IdRef ID 438,293
 0.3013
P268 Bibliothèque nationale de France ID 428,548
 0.2860
P227 GND ID 575,620
 0.2791
P1207 NUKAT ID 385,213
 0.2592
P1412 languages spoken, written or signed 558,332
 0.1985
P19 place of birth 686,455
 0.1890
P569 date of birth 1,025,112
 0.1803
P570 date of death 607,541
 0.1755
P27 country of citizenship 784,623
 0.1707
P691 NKCR AUT ID 259,602
 0.1693
P20 place of death 351,988
 0.1618
P7293 PLWABN ID 228,811
 0.1575
P69 educated at 369,150
 0.1375
P735 given name 925,217
 0.1368
P734 family name 572,027
 0.1336
P106 occupation 941,330
 0.1289
P21 sex or gender 1,027,611
 0.1266
P646 Freebase ID 630,768
 0.1228
P648 Open Library ID 174,113
 0.1207
P8189 National Library of Israel J9U ID 161,550
 0.1191
P166 award received 203,561
 0.1153
P3987 SHARE Catalogue author ID 148,163
 0.1083
P950 Biblioteca Nacional de España ID 150,695
 0.1082
P1015 NORAF ID 144,705
 0.1061
P7902 Deutsche Biographie (GND) ID 186,245
 0.1044
P108 employer 228,786
 0.1015
P1559 name in native language 169,240
 0.0966
P3430 SNAC ARK ID 127,067
 0.0937
P18 image 454,269
 0.0909
P1343 described by source 168,940
 0.0904
P373 Commons category 356,646
 0.0804
P463 member of 117,063
 0.0763
P3368 Prabook ID 103,488
 0.0704
P856 official website 188,986
 0.0702
P345 IMDb ID 137,720
 0.0687
P7704 Europeana entity 93,627
 0.0663
P7763 copyright status as a creator 105,361
 0.0659
P1871 CERL Thesaurus ID 94,736
 0.0631
P8034 Vatican Library VcBA ID 85,076
 0.0621
P349 National Diet Library ID 86,284
 0.0616
P4985 TMDb person ID 90,883
 0.0612
P1315 NLA Trove people ID 83,278
 0.0609
P434 MusicBrainz artist ID 89,319
 0.0604
P1280 CONOR.SI ID 82,267
 0.0601
P1953 Discogs artist ID 87,067
 0.0590