As of 2022-03-07, the Wikidata property Freebase ID (P646) is used on 4,421,471 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 844,775
 0.1337
P7859 WorldCat Identities ID 706,822
 0.1271
P244 Library of Congress authority ID 630,768
 0.1228
P213 ISNI 506,378
 0.0954
P1566 GeoNames ID 504,239
 0.0661
P227 GND ID 393,597
 0.0740
P345 IMDb ID 380,767
 0.0787
P6766 Who's on First ID 325,758
 0.0696
P268 Bibliothèque nationale de France ID 292,061
 0.0620
P846 GBIF taxon ID 278,703
 0.0415
P6366 Microsoft Academic ID 234,159
 0.0525
P269 IdRef ID 228,260
 0.0482
P2163 FAST ID 223,401
 0.0482
P1006 Nationale Thesaurus voor Auteurs ID 210,716
 0.0446
P5055 IRMNG ID 210,084
 0.0377
P3368 Prabook ID 202,395
 0.0455
P3151 iNaturalist taxon ID 189,938
 0.0376
P1207 NUKAT ID 176,040
 0.0369
P830 Encyclopedia of Life ID 173,900
 0.0325
P691 NKCR AUT ID 168,362
 0.0358
P3417 Quora topic ID 161,788
 0.0364
P7704 Europeana entity 156,236
 0.0353
P4985 TMDb person ID 151,915
 0.0338
P2002 Twitter username 150,301
 0.0328
P434 MusicBrainz artist ID 147,274
 0.0328
P1417 Encyclopædia Britannica Online ID 147,252
 0.0331
P685 NCBI taxonomy ID 142,306
 0.0293
P1953 Discogs artist ID 136,912
 0.0304
P3430 SNAC ARK ID 130,948
 0.0296
P7293 PLWABN ID 126,056
 0.0272
P7902 Deutsche Biographie (GND) ID 117,930
 0.0239
P2603 Kinopoisk film ID 115,911
 0.0257
P648 Open Library ID 112,385
 0.0245
P436 MusicBrainz release group ID 108,862
 0.0242
P402 OpenStreetMap relation ID 104,928
 0.0232
P815 ITIS TSN 104,861
 0.0212
P4947 TMDb movie ID 104,790
 0.0232
P8189 National Library of Israel J9U ID 104,150
 0.0232
P2013 Facebook ID 101,907
 0.0224
P590 GNIS ID 98,672
 0.0199
P6127 Letterboxd film ID 95,798
 0.0214
P950 Biblioteca Nacional de España ID 93,783
 0.0207
P2529 ČSFD film ID 89,982
 0.0201
P8286 Olympedia people ID 87,036
 0.0194
P2949 WikiTree person ID 86,574
 0.0189
P8168 FactGrid item ID 86,424
 0.0195
P3138 OFDb film ID 85,957
 0.0193
P3143 elFilm film ID 83,822
 0.0188
P535 Find a Grave memorial ID 82,088
 0.0184
P1447 Sports-Reference.com Olympic athlete ID (archived) 81,424
 0.0182

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P214 VIAF ID 844,775
 0.1337
P7859 WorldCat Identities ID 706,822
 0.1271
P244 Library of Congress authority ID 630,768
 0.1228
P213 ISNI 506,378
 0.0954
P345 IMDb ID 380,767
 0.0787
P227 GND ID 393,597
 0.0740
P6766 Who's on First ID 325,758
 0.0696
P1566 GeoNames ID 504,239
 0.0661
P268 Bibliothèque nationale de France ID 292,061
 0.0620
P6366 Microsoft Academic ID 234,159
 0.0525
P2163 FAST ID 223,401
 0.0482
P269 IdRef ID 228,260
 0.0482
P3368 Prabook ID 202,395
 0.0455
P1006 Nationale Thesaurus voor Auteurs ID 210,716
 0.0446
P846 GBIF taxon ID 278,703
 0.0415
P5055 IRMNG ID 210,084
 0.0377
P3151 iNaturalist taxon ID 189,938
 0.0376
P1207 NUKAT ID 176,040
 0.0369
P3417 Quora topic ID 161,788
 0.0364
P691 NKCR AUT ID 168,362
 0.0358
P7704 Europeana entity 156,236
 0.0353
P4985 TMDb person ID 151,915
 0.0338
P1417 Encyclopædia Britannica Online ID 147,252
 0.0331
P2002 Twitter username 150,301
 0.0328
P434 MusicBrainz artist ID 147,274
 0.0328
P830 Encyclopedia of Life ID 173,900
 0.0325
P1953 Discogs artist ID 136,912
 0.0304
P3430 SNAC ARK ID 130,948
 0.0296
P685 NCBI taxonomy ID 142,306
 0.0293
P7293 PLWABN ID 126,056
 0.0272
P2603 Kinopoisk film ID 115,911
 0.0257
P648 Open Library ID 112,385
 0.0245
P436 MusicBrainz release group ID 108,862
 0.0242
P7902 Deutsche Biographie (GND) ID 117,930
 0.0239
P402 OpenStreetMap relation ID 104,928
 0.0232
P4947 TMDb movie ID 104,790
 0.0232
P8189 National Library of Israel J9U ID 104,150
 0.0232
P2013 Facebook ID 101,907
 0.0224
P6127 Letterboxd film ID 95,798
 0.0214
P815 ITIS TSN 104,861
 0.0212
P950 Biblioteca Nacional de España ID 93,783
 0.0207
P2529 ČSFD film ID 89,982
 0.0201
P590 GNIS ID 98,672
 0.0199
P8168 FactGrid item ID 86,424
 0.0195
P8286 Olympedia people ID 87,036
 0.0194
P3138 OFDb film ID 85,957
 0.0193
P2949 WikiTree person ID 86,574
 0.0189
P3143 elFilm film ID 83,822
 0.0188
P535 Find a Grave memorial ID 82,088
 0.0184
P1447 Sports-Reference.com Olympic athlete ID (archived) 81,424
 0.0182