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
P220 ISO 639-3 code 7,980
 0.9077
P1394 Glottolog code 7,947
 0.7111
P1627 Ethnologue.com language code 7,429
 0.8649
P646 Freebase ID 7,002
 0.0016
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
P1014 Art & Architecture Thesaurus ID 1,304
 0.0420
P1245 OmegaWiki Defined Meaning 1,275
 0.0682
P244 Library of Congress authority ID 883
 0.0007
P1417 Encyclopædia Britannica Online ID 758
 0.0042
P10369 Lingua Libre ID 683
 0.0804
P9060 POSIX locale identifier 619
 0.0731
P8408 KBpedia ID 574
 0.0125
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
P1396 Linguasphere code 313
 0.0365
P6366 Microsoft Academic ID 300
 0.0011
P349 National Diet Library ID 265
 0.0018
P6915 Gambay ID 256
 0.0300
P508 BNCF Thesaurus ID 240
 0.0098
P8189 National Library of Israel J9U ID 239
 0.0013
P2161 Guthrie code 195
 0.0229
P6385 Krugosvet article 193
 0.0135
P218 ISO 639-1 code 186
 0.0220
P5250 IAB code 183
 0.0196
P1036 Dewey Decimal Classification 181
 0.0130
P3916 UNESCO Thesaurus ID 135
 0.0119
P10283 OpenAlex ID 124
 0.0011
P1232 Linguist list code 119
 0.0135
P1798 ISO 639-5 code 118
 0.0139
P1296 Gran Enciclopèdia Catalana ID 112
 0.0009
P9100 GitHub topic 102
 0.0094
P7818 French Vikidia ID 97
 0.0034
P1368 LNB ID 96
 0.0017
P9498 Enzyklopädie des europäischen Ostens ID 93
 0.0098

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
P1394 Glottolog code 7,947
 0.7111
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
P10369 Lingua Libre ID 683
 0.0804
P9060 POSIX locale identifier 619
 0.0731
P1245 OmegaWiki Defined Meaning 1,275
 0.0682
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
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
P1798 ISO 639-5 code 118
 0.0139
P6385 Krugosvet article 193
 0.0135
P1232 Linguist list code 119
 0.0135
P1036 Dewey Decimal Classification 181
 0.0130
P8408 KBpedia ID 574
 0.0125
P3916 UNESCO Thesaurus ID 135
 0.0119
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
P2924 Great Russian Encyclopedia Online ID 421
 0.0073
P2581 BabelNet ID 557
 0.0069
P3847 Open Library subject ID 73
 0.0064
P6293 YSA ID 64
 0.0059
P7033 Australian Educational Vocabulary ID 79
 0.0047
P8885 Namuwiki ID 51
 0.0044
P1417 Encyclopædia Britannica Online ID 758
 0.0042
P8799 Twitch tag ID 33
 0.0037
P8309 Yle topic ID 45
 0.0037
P1051 PSH ID 51
 0.0036
P7818 French Vikidia ID 97
 0.0034
P3553 Zhihu topic ID 75
 0.0033
P8370 UNBIS Thesaurus ID 29
 0.0033
P4212 PACTOLS thesaurus ID 79
 0.0031
P221 ISO 639-6 code 23
 0.0027
P6573 Klexikon article ID 29
 0.0026
P9123 Catalan Vikidia ID 22
 0.0025
P4839 Wolfram Language entity code 526
 0.0024