As of 2022-03-07, the Wikidata property IETF language tag (P305) is used on 8,470 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
P31 instance of 8,439
 0.0001
P220 ISO 639-3 code 7,980
 0.9077
P1394 Glottolog code 7,947
 0.7111
P17 country 7,614
 0.0005
P1627 Ethnologue.com language code 7,429
 0.8649
P3823 Ethnologue language status 7,268
 0.8460
P2341 indigenous to 7,039
 0.6220
P646 Freebase ID 7,002
 0.0016
P2888 exact match 6,855
 0.0021
P279 subclass of 6,784
 0.0026
P910 topic's main category 5,058
 0.0075
P2192 endangeredlanguages.com ID 3,143
 0.3531
P1466 WALS lect code 2,498
 0.2893
P2355 UNESCO Atlas of the World's Languages in Danger ID 2,096
 0.2371
P1999 UNESCO language status 2,019
 0.2292
P1098 number of speakers 1,692
 0.1942
P282 writing system 1,660
 0.0028
P1014 Art & Architecture Thesaurus ID 1,304
 0.0420
P1245 OmegaWiki Defined Meaning 1,275
 0.0682
P4132 linguistic typology 1,081
 0.1229
P1705 native label 963
 0.0013
P244 Library of Congress authority ID 883
 0.0007
P1417 Encyclopædia Britannica Online ID 758
 0.0042
P10369 Lingua Libre ID 683
 0.0804
P424 Wikimedia language code 639
 0.0658
P9060 POSIX locale identifier 619
 0.0731
P131 located in the administrative territorial entity 609
 0.0001
P373 Commons category 587
 0.0002
P8408 KBpedia ID 574
 0.0125
P1889 different from 570
 0.0009
P227 GND ID 568
 0.0004
P2581 BabelNet ID 557
 0.0069
P4839 Wolfram Language entity code 526
 0.0024
P268 Bibliothèque nationale de France ID 507
 0.0009
P219 ISO 639-2 code 490
 0.0578
P4801 LoC and MARC vocabularies ID 481
 0.0525
P269 IdRef ID 457
 0.0008
P3417 Quora topic ID 443
 0.0023
P2671 Google Knowledge Graph ID 434
 0.0001
P2590 BPS language code 433
 0.0472
P2924 Great Russian Encyclopedia Online ID 421
 0.0073
P5198 ASC Leiden Thesaurus ID 403
 0.0337
P278 GOST 7.75–97 code 370
 0.0436
P1251 ABS ASCL 2011 code 345
 0.0403
P1252 AUSTLANG code 339
 0.0394
P2347 YSO ID 328
 0.0103
P361 part of 319
 0.0001
P18 image 314
 0.0001
P1396 Linguasphere code 313
 0.0365
P6366 Microsoft Academic ID 300
 0.0011

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P220 ISO 639-3 code 7,980
 0.9077
P1627 Ethnologue.com language code 7,429
 0.8649
P3823 Ethnologue language status 7,268
 0.8460
P1394 Glottolog code 7,947
 0.7111
P2341 indigenous to 7,039
 0.6220
P2192 endangeredlanguages.com ID 3,143
 0.3531
P1466 WALS lect code 2,498
 0.2893
P2355 UNESCO Atlas of the World's Languages in Danger ID 2,096
 0.2371
P1999 UNESCO language status 2,019
 0.2292
P1098 number of speakers 1,692
 0.1942
P4132 linguistic typology 1,081
 0.1229
P10369 Lingua Libre ID 683
 0.0804
P9060 POSIX locale identifier 619
 0.0731
P1245 OmegaWiki Defined Meaning 1,275
 0.0682
P424 Wikimedia language code 639
 0.0658
P219 ISO 639-2 code 490
 0.0578
P4801 LoC and MARC vocabularies ID 481
 0.0525
P2590 BPS language code 433
 0.0472
P278 GOST 7.75–97 code 370
 0.0436
P1014 Art & Architecture Thesaurus ID 1,304
 0.0420
P1251 ABS ASCL 2011 code 345
 0.0403
P1252 AUSTLANG code 339
 0.0394
P1396 Linguasphere code 313
 0.0365
P5198 ASC Leiden Thesaurus ID 403
 0.0337
P1846 distribution map 294
 0.0317
P5996 category for films in this language 262
 0.0308
P4913 dialect of 298
 0.0306
P6915 Gambay ID 256
 0.0300
P2161 Guthrie code 195
 0.0229
P218 ISO 639-1 code 186
 0.0220
P5250 IAB code 183
 0.0196
P1018 language regulatory body 145
 0.0171
P1798 ISO 639-5 code 118
 0.0139
P6385 Krugosvet article 193
 0.0135
P1232 Linguist list code 119
 0.0135
P2263 ISOCAT id 116
 0.0131
P1036 Dewey Decimal Classification 181
 0.0130
P8408 KBpedia ID 574
 0.0125
P3916 UNESCO Thesaurus ID 135
 0.0119
P2989 has grammatical case 94
 0.0111
P2347 YSO ID 328
 0.0103
P9498 Enzyklopädie des europäischen Ostens ID 93
 0.0098
P508 BNCF Thesaurus ID 240
 0.0098
P9100 GitHub topic 102
 0.0094
P7084 related category 198
 0.0085
P910 topic's main category 5,058
 0.0075
P2924 Great Russian Encyclopedia Online ID 421
 0.0073
P2581 BabelNet ID 557
 0.0069
P9748 Wikimedia Incubator URL 57
 0.0067
P3847 Open Library subject ID 73
 0.0064