As of 2022-03-07, the Wikidata property instance of (P31) is used on 93,364,312 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
P1476 title 41,184,114
 0.4411
P577 publication date 39,920,337
 0.4275
P1433 published in 37,723,413
 0.4040
P2093 author name string 35,737,813
 0.3828
P304 page(s) 35,138,348
 0.3764
P478 volume 34,939,714
 0.3742
P433 issue 32,020,003
 0.3430
P698 PubMed ID 31,948,428
 0.3422
P356 DOI 27,287,176
 0.2923
P921 main subject 14,463,335
 0.1549
P407 language of work or name 14,055,568
 0.1503
P17 country 13,802,305
 0.1470
P50 author 11,296,205
 0.1209
P2860 cites work 10,931,894
 0.1171
P131 located in the administrative territorial entity 10,289,925
 0.1100
P625 coordinate location 8,563,617
 0.0915
P528 catalog code 8,228,991
 0.0881
P3083 SIMBAD ID 8,146,136
 0.0872
P6258 declination 8,072,034
 0.0865
P6259 epoch 8,072,034
 0.0865
P6257 right ascension 8,072,032
 0.0865
P21 sex or gender 7,795,726
 0.0835
P59 constellation 7,370,954
 0.0789
P106 occupation 6,897,006
 0.0739
P932 PMCID 6,472,256
 0.0693
P2671 Google Knowledge Graph ID 6,463,823
 0.0686
P735 given name 6,340,334
 0.0679
P1215 apparent magnitude 6,293,756
 0.0674
P569 date of birth 5,362,964
 0.0574
P5875 ResearchGate publication ID 4,580,139
 0.0491
P646 Freebase ID 4,101,731
 0.0438
P2215 proper motion 4,064,550
 0.0435
P27 country of citizenship 4,035,734
 0.0432
P18 image 3,993,537
 0.0427
P2216 radial velocity 3,716,200
 0.0398
P2214 parallax 3,658,050
 0.0392
P1566 GeoNames ID 3,590,377
 0.0384
P225 taxon name 3,549,687
 0.0380
P171 parent taxon 3,548,721
 0.0380
P105 taxon rank 3,547,319
 0.0380
P734 family name 3,507,926
 0.0376
P373 Commons category 3,351,568
 0.0359
P2888 exact match 3,216,837
 0.0344
P2583 distance from Earth 3,012,057
 0.0323
P19 place of birth 2,972,417
 0.0318
P361 part of 2,956,503
 0.0317
P214 VIAF ID 2,739,580
 0.0293
P570 date of death 2,721,715
 0.0292
P846 GBIF taxon ID 2,565,343
 0.0275
P703 found in taxon 2,557,792
 0.0274

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P1476 title 41,184,114
 0.4411
P577 publication date 39,920,337
 0.4275
P1433 published in 37,723,413
 0.4040
P2093 author name string 35,737,813
 0.3828
P304 page(s) 35,138,348
 0.3764
P478 volume 34,939,714
 0.3742
P433 issue 32,020,003
 0.3430
P698 PubMed ID 31,948,428
 0.3422
P356 DOI 27,287,176
 0.2923
P921 main subject 14,463,335
 0.1549
P407 language of work or name 14,055,568
 0.1503
P17 country 13,802,305
 0.1470
P50 author 11,296,205
 0.1209
P2860 cites work 10,931,894
 0.1171
P131 located in the administrative territorial entity 10,289,925
 0.1100
P625 coordinate location 8,563,617
 0.0915
P528 catalog code 8,228,991
 0.0881
P3083 SIMBAD ID 8,146,136
 0.0872
P6258 declination 8,072,034
 0.0865
P6259 epoch 8,072,034
 0.0865
P6257 right ascension 8,072,032
 0.0865
P21 sex or gender 7,795,726
 0.0835
P59 constellation 7,370,954
 0.0789
P106 occupation 6,897,006
 0.0739
P932 PMCID 6,472,256
 0.0693
P2671 Google Knowledge Graph ID 6,463,823
 0.0686
P735 given name 6,340,334
 0.0679
P1215 apparent magnitude 6,293,756
 0.0674
P569 date of birth 5,362,964
 0.0574
P5875 ResearchGate publication ID 4,580,139
 0.0491
P646 Freebase ID 4,101,731
 0.0438
P2215 proper motion 4,064,550
 0.0435
P27 country of citizenship 4,035,734
 0.0432
P18 image 3,993,537
 0.0427
P2216 radial velocity 3,716,200
 0.0398
P2214 parallax 3,658,050
 0.0392
P1566 GeoNames ID 3,590,377
 0.0384
P225 taxon name 3,549,687
 0.0380
P171 parent taxon 3,548,721
 0.0380
P105 taxon rank 3,547,319
 0.0380
P734 family name 3,507,926
 0.0376
P373 Commons category 3,351,568
 0.0359
P2888 exact match 3,216,837
 0.0344
P2583 distance from Earth 3,012,057
 0.0323
P19 place of birth 2,972,417
 0.0318
P361 part of 2,956,503
 0.0317
P214 VIAF ID 2,739,580
 0.0293
P570 date of death 2,721,715
 0.0292
P846 GBIF taxon ID 2,565,343
 0.0275
P703 found in taxon 2,557,792
 0.0274