The tool Wikidata Related Properties provides statistics about the usage of properties in Wikidata items, as main properties of statements (not as qualifiers or in references), and the relations between them.

As of 2022-03-07, Wikidata counts 9,335 properties in use as main value on statements (not counting qualifiers) of the Q and P namespaces.

Most used properties | Closest properties: by cardinality of intersection, by Jaccard index | Downloads

Display properties of the following types:                                    

Most used properties

IDLabelCardinality
P698 PubMed ID 31,948,441
P356 DOI 27,287,359
P3083 SIMBAD ID 8,150,629
P2671 Google Knowledge Graph ID 7,370,176
P932 PMCID 6,472,263
P5875 ResearchGate publication ID 4,580,139
P646 Freebase ID 4,421,471
P1566 GeoNames ID 3,714,474
P214 VIAF ID 2,743,208
P846 GBIF taxon ID 2,565,351
P7859 WorldCat Identities ID 1,846,890
P496 ORCID iD 1,750,863
P6179 Dimensions Publication ID 1,540,140
P2326 GNS Unique Feature ID 1,467,291
P213 ISNI 1,391,379
P5055 IRMNG ID 1,359,018
P244 Library of Congress authority ID 1,346,172
P235 InChIKey 1,306,454
P234 InChI 1,299,209
P227 GND ID 1,291,559
P830 Encyclopedia of Life ID 1,095,485
P6769 CJFD journal article ID 971,789
P662 PubChem CID 961,661
P231 CAS Registry Number 941,068
P7715 World Flora Online ID 884,799
P3382 GeneDB ID 882,734
P961 IPNI plant ID 870,804
P3117 DSSTox substance ID 850,217
P8494 DSSTOX compound identifier 848,366
P3151 iNaturalist taxon ID 823,791
P345 IMDb ID 796,052
P351 Entrez Gene ID 778,747
P442 China administrative division code 744,179
P4638 The Peerage person ID 716,517
P850 WoRMS-ID for taxa 688,682
P819 ADS bibcode 659,779
P1225 U.S. National Archives Identifier 644,699
P590 GNIS ID 643,936
P7902 Deutsche Biographie (GND) ID 624,740
P5037 Plants of the World online ID 620,688
P352 UniProt protein ID 620,374
P815 ITIS TSN 618,670
P960 Tropicos ID 594,571
P685 NCBI taxonomy ID 583,374
P6766 Who's on First ID 582,339
P268 Bibliothèque nationale de France ID 580,542
P269 IdRef ID 546,920
P637 RefSeq protein ID 535,392
P1207 NUKAT ID 525,225
P9157 Open Tree of Life ID 524,509

Closest properties by cardinality of intersection

IDLabelIDLabelIntersection cardinalityJaccard index
P356 DOI P698 PubMed ID 22,967,033
0.6332
P698 PubMed ID P932 PMCID 5,899,597
0.1814
P356 DOI P932 PMCID 5,446,029
0.1923
P356 DOI P5875 ResearchGate publication ID 4,575,660
0.1677
P698 PubMed ID P5875 ResearchGate publication ID 4,465,428
0.1393
P932 PMCID P5875 ResearchGate publication ID 2,131,612
0.2389
P214 VIAF ID P7859 WorldCat Identities ID 1,843,123
0.6710
P356 DOI P6179 Dimensions Publication ID 1,539,375
0.0564
P1566 GeoNames ID P2326 GNS Unique Feature ID 1,467,166
0.3950
P234 InChI P235 InChIKey 1,299,044
0.9942
P213 ISNI P214 VIAF ID 1,297,778
0.4575
P846 GBIF taxon ID P5055 IRMNG ID 1,294,425
0.4922
P214 VIAF ID P244 Library of Congress authority ID 1,292,716
0.4622
P214 VIAF ID P227 GND ID 1,229,217
0.4381
P698 PubMed ID P6179 Dimensions Publication ID 1,186,750
0.0367
P244 Library of Congress authority ID P7859 WorldCat Identities ID 1,167,023
0.5760
P213 ISNI P7859 WorldCat Identities ID 1,141,535
0.5444
P830 Encyclopedia of Life ID P846 GBIF taxon ID 1,072,484
0.4144
P846 GBIF taxon ID P2671 Google Knowledge Graph ID 1,039,855
0.1169
P235 InChIKey P662 PubChem CID 960,968
0.7352
P234 InChI P662 PubChem CID 954,260
0.7303
P213 ISNI P244 Library of Congress authority ID 921,638
0.5075
P231 CAS Registry Number P235 InChIKey 876,488
0.6393
P231 CAS Registry Number P234 InChI 875,643
0.6417
P235 InChIKey P3117 DSSTox substance ID 848,696
0.6489
P3117 DSSTox substance ID P8494 DSSTOX compound identifier 848,354
0.9978
P235 InChIKey P8494 DSSTOX compound identifier 848,279
0.6493
P234 InChI P3117 DSSTox substance ID 848,253
0.6519
P234 InChI P8494 DSSTOX compound identifier 847,844
0.6523
P231 CAS Registry Number P3117 DSSTox substance ID 846,585
0.8961
P214 VIAF ID P646 Freebase ID 844,775
0.1337
P231 CAS Registry Number P8494 DSSTOX compound identifier 844,744
0.8942
P961 IPNI plant ID P7715 World Flora Online ID 809,447
0.8555
P214 VIAF ID P2671 Google Knowledge Graph ID 802,740
0.0862
P846 GBIF taxon ID P3151 iNaturalist taxon ID 795,230
0.3066
P231 CAS Registry Number P662 PubChem CID 763,536
0.6702
P227 GND ID P7859 WorldCat Identities ID 759,843
0.3194
P662 PubChem CID P3117 DSSTox substance ID 740,637
0.6914
P662 PubChem CID P8494 DSSTOX compound identifier 740,192
0.6919
P830 Encyclopedia of Life ID P5055 IRMNG ID 738,229
0.4301
P646 Freebase ID P7859 WorldCat Identities ID 706,822
0.1271
P213 ISNI P227 GND ID 679,027
0.3389
P2671 Google Knowledge Graph ID P7859 WorldCat Identities ID 648,735
0.0757
P2671 Google Knowledge Graph ID P5055 IRMNG ID 639,331
0.0790
P244 Library of Congress authority ID P646 Freebase ID 630,768
0.1228
P227 GND ID P7902 Deutsche Biographie (GND) ID 624,733
0.4837
P214 VIAF ID P7902 Deutsche Biographie (GND) ID 624,120
0.2275
P961 IPNI plant ID P5037 Plants of the World online ID 618,220
0.7079
P830 Encyclopedia of Life ID P2671 Google Knowledge Graph ID 610,059
0.0777
P590 GNIS ID P1566 GeoNames ID 603,587
0.1607

Closest properties by Jaccard index

IDLabelIDLabelIntersection cardinalityJaccard index
P1585 Brazilian municipality code P6555 Brazilian Electoral Unit ID 5,570
1.0000
P506 ISO 15924 alpha-4 code P2620 ISO 15924 numeric code 263
1.0000
P8165 Maryland's National Register Properties ID P8282 Medusa NRHP ID 107
1.0000
P6924 Murfie artist ID P7155 WP Muzyka artist ID 3
1.0000
P6940 FPBR person ID P6975 RBF professional boxer ID 3
1.0000
P10223 Genie media ID P10330 Bugs! music video ID 3
1.0000
P2874 PubChem BioAssay ID (AID) P3640 National Drug Code 1
1.0000
P428 botanist author abbreviation P586 IPNI author ID 53,742
1.0000
P9787 Smartify artwork ID P9789 Yale Center for British Art artwork Lido ID 30,364
0.9996
P2729 BWF.tournamentsoftware.com player ID P3620 BWFbadminton.com player ID 8,497
0.9992
P3318 Guía Digital del Patrimonio Cultural de Andalucía identifier P8425 IAPH code 26,904
0.9989
P951 NSZL (VIAF) ID P3133 NSZL name authority ID 12,012
0.9987
P3117 DSSTox substance ID P8494 DSSTOX compound identifier 848,354
0.9978
P247 COSPAR ID P377 SCN 6,317
0.9965
P353 HGNC gene symbol P354 HGNC ID 43,516
0.9955
P234 InChI P235 InChIKey 1,299,044
0.9942
P2427 GRID ID P6782 ROR ID 102,567
0.9915
P297 ISO 3166-1 alpha-2 code P298 ISO 3166-1 alpha-3 code 271
0.9891
P298 ISO 3166-1 alpha-3 code P299 ISO 3166-1 numeric code 270
0.9890
P2951 Cultural heritage database in Austria ObjektID P9154 Heritage Information System ID in the database of cultural heritage in Austria 38,612
0.9889
P232 EC number P2566 ECHA InfoCard ID 55,195
0.9888
P6574 Libraries & Information Centers in the Czech Republic ID P9559 Sigla ID 147
0.9866
P4093 Australian Statistical Geography 2016 ID P10112 Australian Statistical Geography 2021 ID 16,257
0.9862
P2981 UIC alphabetical country code P2982 UIC numerical country code 64
0.9846
P6436 Code of Natura 2000/FFH habitat P6681 EUNIS ID for habitats 233
0.9831
P297 ISO 3166-1 alpha-2 code P299 ISO 3166-1 numeric code 269
0.9782
P1323 Terminologia Anatomica 98 ID P3982 TA98 Latin term 3,852
0.9772
P3147 United States Reports ID P7063 U. S. Supreme Court docket number 3,465
0.9728
P3588 WNBA player ID P4561 Basketball-Reference.com WNBA player ID 977
0.9664
P7851 Smithsonian resource ID P9473 Smithsonian ARK ID 3,720
0.9640
P762 Czech cultural heritage ID P4075 Czech Monument Catalogue Number 41,889
0.9631
P1214 Riksdagen person-ID P8388 Swedish Parliament person GUID 1,864
0.9628
P4692 American Art Collaborative object ID P6152 National Portrait Gallery (United States) object ID 2,409
0.9624
P962 MycoBank taxon name ID P1391 Index Fungorum ID 357,903
0.9576
P1273 CANTIC ID (old) P9984 CANTIC ID 53,167
0.9506
P1743 Bradley and Fletcher checklist number P1744 Agassiz checklist number 2,483
0.9499
P716 JPL Small-Body Database SPK-ID P5736 Minor Planet Center body ID 235,884
0.9490
P671 Mouse Genome Informatics ID P2394 MGI Gene Symbol 70,469
0.9422
P1323 Terminologia Anatomica 98 ID P7173 TA2 ID 3,758
0.9419
P777 Swedish civil parish code/ATA code P5536 Swedish place name register SOFI 2,398
0.9400
P3982 TA98 Latin term P7173 TA2 ID 3,729
0.9348
P3546 AustralianFootball.com ID P3547 AFL Tables player ID 12,942
0.9320
P3171 Olympic.org athlete ID (archived) P5815 Olympics.com athlete ID / archived OlympicChannel ID 29,462
0.9307
P9109 Holocaust.cz person ID P9300 Terezín Memorial Database ID 124,167
0.9291
P635 ISTAT ID P806 Italian cadastre code (municipality) 8,470
0.9281
P507 Swedish county code P2898 Swedish county letter 25
0.9259
P3515 NPCA ID P3516 National Park Foundation ID 412
0.9217
P6518 Business Registry code (Estonia) P9321 Inforegister ID 4,529
0.9211
P4083 Park Alpha Code P7129 PEPC park ID 438
0.9202
P3400 CORDIS Project ID P5755 EU project RCN 1,695
0.9197

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