As of 2019-04-22, the Wikidata property main subject (P921) is used on 5,121,173 items.

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 5,119,957
0.0969
P1476 title 5,030,774
0.2262
P1433 published in 4,988,422
0.2335
P577 publication date 4,970,418
0.2212
P2093 author name string 4,817,231
0.2293
P478 volume 4,736,906
0.2302
P304 page(s) 4,727,614
0.2290
P698 PubMed ID 4,330,022
0.2328
P433 issue 4,182,031
0.2189
P356 DOI 4,072,863
0.2287
P2860 cites 2,060,746
0.1980
P5875 ResearchGate publication ID 1,329,240
0.1589
P932 PMCID 1,322,836
0.1569
P50 author 1,120,739
0.1424
P407 language of work or name 697,865
0.0893
P3181 OpenCitations bibliographic resource ID 110,430
0.0210
P495 country of origin 67,857
0.0114
P361 part of 43,351
0.0071
P6216 copyright status 36,629
0.0069
P275 license 34,662
0.0067
P136 genre 33,230
0.0056
P156 followed by 32,212
0.0057
P155 follows 32,041
0.0056
P859 sponsor 28,598
0.0055
P5008 on focus list of Wikimedia project 27,392
0.0052
P2880 NIOSHTIC-2 ID 25,537
0.0050
P18 image 22,460
0.0028
P953 full work available at 21,908
0.0042
P123 publisher 21,492
0.0041
P571 inception 20,066
0.0030
P888 JSTOR article ID 16,905
0.0033
P276 location 16,630
0.0027
P195 collection 16,435
0.0029
P170 creator 14,754
0.0026
P4510 describes a project that uses 14,508
0.0028
P856 official website 14,430
0.0024
P180 depicts 13,960
0.0027
P345 IMDb ID 13,764
0.0024
P364 original language of film or TV show 13,162
0.0024
P646 Freebase ID 12,038
0.0019
P57 director 11,534
0.0022
P2603 Kinopoisk film ID 11,460
0.0022
P2007 ZooBank publication ID 11,284
0.0022
P1104 number of pages 11,007
0.0021
P2048 height 10,983
0.0020
P2049 width 10,805
0.0020
P17 country 10,674
0.0007
P2529 ČSFD film ID 10,375
0.0020
P161 cast member 10,326
0.0020
P3138 OFDb ID 10,306
0.0020

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P1433 published in 4,988,422
0.2335
P698 PubMed ID 4,330,022
0.2328
P478 volume 4,736,906
0.2302
P2093 author name string 4,817,231
0.2293
P304 page(s) 4,727,614
0.2290
P356 DOI 4,072,863
0.2287
P1476 title 5,030,774
0.2262
P577 publication date 4,970,418
0.2212
P433 issue 4,182,031
0.2189
P2860 cites 2,060,746
0.1980
P5875 ResearchGate publication ID 1,329,240
0.1589
P932 PMCID 1,322,836
0.1569
P50 author 1,120,739
0.1424
P31 instance of 5,119,957
0.0969
P407 language of work or name 697,865
0.0893
P3181 OpenCitations bibliographic resource ID 110,430
0.0210
P495 country of origin 67,857
0.0114
P361 part of 43,351
0.0071
P6216 copyright status 36,629
0.0069
P275 license 34,662
0.0067
P156 followed by 32,212
0.0057
P155 follows 32,041
0.0056
P136 genre 33,230
0.0056
P859 sponsor 28,598
0.0055
P5008 on focus list of Wikimedia project 27,392
0.0052
P2880 NIOSHTIC-2 ID 25,537
0.0050
P953 full work available at 21,908
0.0042
P123 publisher 21,492
0.0041
P888 JSTOR article ID 16,905
0.0033
P571 inception 20,066
0.0030
P195 collection 16,435
0.0029
P18 image 22,460
0.0028
P4510 describes a project that uses 14,508
0.0028
P276 location 16,630
0.0027
P180 depicts 13,960
0.0027
P170 creator 14,754
0.0026
P364 original language of film or TV show 13,162
0.0024
P345 IMDb ID 13,764
0.0024
P856 official website 14,430
0.0024
P2007 ZooBank publication ID 11,284
0.0022
P2603 Kinopoisk film ID 11,460
0.0022
P57 director 11,534
0.0022
P1104 number of pages 11,007
0.0021
P2049 width 10,805
0.0020
P2529 ČSFD film ID 10,375
0.0020
P2048 height 10,983
0.0020
P3138 OFDb ID 10,306
0.0020
P161 cast member 10,326
0.0020
P646 Freebase ID 12,038
0.0019
P3143 elFilm film ID 9,672
0.0018