As of 2022-03-07, the Wikidata property Who's on First ID (P6766) is used on 582,339 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
P1566 GeoNames ID 565,756
 0.1516
P646 Freebase ID 325,758
 0.0696
P214 VIAF ID 106,331
 0.0330
P1976 INEGI locality ID 94,338
 0.1360
P402 OpenStreetMap relation ID 78,002
 0.1105
P8168 FactGrid item ID 72,776
 0.1194
P590 GNIS ID 59,302
 0.0508
P244 Library of Congress authority ID 57,358
 0.0307
P2671 Google Knowledge Graph ID 50,609
 0.0064
P7859 WorldCat Identities ID 44,975
 0.0189
P227 GND ID 37,149
 0.0202
P268 Bibliothèque nationale de France ID 36,556
 0.0325
P374 INSEE municipality code 34,487
 0.0587
P8422 EHESS ID of a French commune 34,287
 0.0578
P5573 archINFORM location ID 33,791
 0.0574
P1616 SIREN number 33,514
 0.0525
P774 FIPS 55-3 (locations in the US) 32,960
 0.0549
P6671 French public service directory ID 31,929
 0.0545
P2326 GNS Unique Feature ID 30,834
 0.0153
P1281 WOEID 29,881
 0.0512
P4046 SIMC place ID 28,897
 0.0469
P1667 Getty Thesaurus of Geographic Names ID 28,398
 0.0469
P982 MusicBrainz area ID 27,741
 0.0474
P7471 iNaturalist place ID 27,065
 0.0446
P3417 Quora topic ID 26,533
 0.0359
P1296 Gran Enciclopèdia Catalana ID 22,086
 0.0327
P691 NKCR AUT ID 15,037
 0.0148
P3120 TOID 14,439
 0.0239
P843 SIRUTA code 13,687
 0.0234
P3616 Vision of Britain place ID 12,647
 0.0215
P1417 Encyclopædia Britannica Online ID 11,169
 0.0150
P439 German municipality key 11,156
 0.0191
P782 LAU 11,082
 0.0188
P998 Curlie ID 10,104
 0.0173
P3615 Vision of Britain unit ID 9,384
 0.0160
P1116 ELSTAT geographical code 9,123
 0.0154
P772 INE municipality code 8,942
 0.0152
P836 GSS code (2011) 8,871
 0.0150
P806 Italian cadastre code (municipality) 8,513
 0.0146
P2503 Historical Gazetteer (GOV) ID 8,482
 0.0144
P635 ISTAT ID 8,322
 0.0143
P3639 KEPN ID 8,126
 0.0139
P8988 Mapy.cz ID 8,026
 0.0130
P4115 INSPIRE ID 7,990
 0.0124
P2186 Wiki Loves Monuments ID 7,975
 0.0110
P6832 IndicePA ID 7,773
 0.0133
P8189 National Library of Israel J9U ID 7,740
 0.0104
P4212 PACTOLS thesaurus ID 7,718
 0.0130
P1225 U.S. National Archives Identifier 7,111
 0.0058
P442 China administrative division code 7,107
 0.0054

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P1566 GeoNames ID 565,756
 0.1516
P1976 INEGI locality ID 94,338
 0.1360
P8168 FactGrid item ID 72,776
 0.1194
P402 OpenStreetMap relation ID 78,002
 0.1105
P646 Freebase ID 325,758
 0.0696
P374 INSEE municipality code 34,487
 0.0587
P8422 EHESS ID of a French commune 34,287
 0.0578
P5573 archINFORM location ID 33,791
 0.0574
P774 FIPS 55-3 (locations in the US) 32,960
 0.0549
P6671 French public service directory ID 31,929
 0.0545
P1616 SIREN number 33,514
 0.0525
P1281 WOEID 29,881
 0.0512
P590 GNIS ID 59,302
 0.0508
P982 MusicBrainz area ID 27,741
 0.0474
P1667 Getty Thesaurus of Geographic Names ID 28,398
 0.0469
P4046 SIMC place ID 28,897
 0.0469
P7471 iNaturalist place ID 27,065
 0.0446
P3417 Quora topic ID 26,533
 0.0359
P214 VIAF ID 106,331
 0.0330
P1296 Gran Enciclopèdia Catalana ID 22,086
 0.0327
P268 Bibliothèque nationale de France ID 36,556
 0.0325
P244 Library of Congress authority ID 57,358
 0.0307
P3120 TOID 14,439
 0.0239
P843 SIRUTA code 13,687
 0.0234
P3616 Vision of Britain place ID 12,647
 0.0215
P227 GND ID 37,149
 0.0202
P439 German municipality key 11,156
 0.0191
P7859 WorldCat Identities ID 44,975
 0.0189
P782 LAU 11,082
 0.0188
P998 Curlie ID 10,104
 0.0173
P3615 Vision of Britain unit ID 9,384
 0.0160
P1116 ELSTAT geographical code 9,123
 0.0154
P2326 GNS Unique Feature ID 30,834
 0.0153
P772 INE municipality code 8,942
 0.0152
P1417 Encyclopædia Britannica Online ID 11,169
 0.0150
P836 GSS code (2011) 8,871
 0.0150
P691 NKCR AUT ID 15,037
 0.0148
P806 Italian cadastre code (municipality) 8,513
 0.0146
P2503 Historical Gazetteer (GOV) ID 8,482
 0.0144
P635 ISTAT ID 8,322
 0.0143
P3639 KEPN ID 8,126
 0.0139
P6832 IndicePA ID 7,773
 0.0133
P8988 Mapy.cz ID 8,026
 0.0130
P4212 PACTOLS thesaurus ID 7,718
 0.0130
P4115 INSPIRE ID 7,990
 0.0124
P4093 Australian Statistical Geography 2016 ID 7,081
 0.0120
P10112 Australian Statistical Geography 2021 ID 7,039
 0.0119
P8519 RKD thesaurus ID 6,841
 0.0116
P9957 museum-digital place ID 6,748
 0.0115
P2186 Wiki Loves Monuments ID 7,975
 0.0110