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IETF language tag

abbreviated language code listing and format maintained by the Internet Engineering Task Force (IETF) mirroring ISO 639-3
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IETF language tag

Summary

IETF language tag is a language identifier[1]. It draws 1,987 Wikipedia views per month (language_identifier category, ranking #1 of 1).[2]

Key Facts

  • IETF language tag's instance of is recorded as language identifier[3].
  • IETF language tag's instance of is recorded as activity policy[4].
  • IETF language tag's maintained by is recorded as Internet Assigned Numbers Authority[5].
  • IETF language tag's based on is recorded as ISO 639-3[6].
  • IETF language tag's based on is recorded as ISO 639-1[7].
  • IETF language tag's based on is recorded as ISO 3166-1[8].
  • IETF language tag's based on is recorded as UN M49[9].
  • IETF language tag's based on is recorded as ISO 15924[10].
  • IETF language tag's based on is recorded as ISO 639 Set 5[11].
  • IETF language tag's developer is recorded as Internet Engineering Task Force[12].
  • IETF language tag's subclass of is recorded as machine-readable data[13].
  • IETF language tag's part of is recorded as language-tagged string RDF literal[14].
  • IETF language tag's language of work or name is recorded as English[15].
  • IETF language tag's Freebase ID is recorded as /m/0h4xs6[16].
  • IETF language tag's official website is recorded as https://tools.ietf.org/html/bcp47[17].
  • IETF language tag's described by source is recorded as RFC 5646: Tags for Identifying Languages[18].
  • IETF language tag's standards body is recorded as Internet Engineering Task Force[19].
  • IETF language tag's has contributing factor is recorded as ISO 639-3[20].
  • IETF language tag's main Wikidata property is recorded as P305[21].
  • IETF language tag's issued by is recorded as Internet Assigned Numbers Authority[22].
  • IETF language tag's issued by is recorded as Internet Engineering Task Force[23].
  • IETF language tag's has part is recorded as ISO 639-3[24].
  • IETF language tag's File Format Wiki page ID is recorded as IETF_language_tag[25].
  • IETF language tag's ITU/ISO/IEC object ID is recorded as 1.3.6.1.8.1.32[26].

Body

Geography

IETF language tag's part of is recorded as language-tagged string RDF literal[14].

Designation and Status

Recorded instance of include language identifier[3] and activity policy[4].

Why It Matters

IETF language tag draws 1,987 Wikipedia views per month (language_identifier category, ranking #1 of 1).[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[27] It is known by 32 alternative names across languages and contexts.[28]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . Freebase Data Dumps. wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . mailarchive.ietf.org. Retrieved . mailarchive.ietf.org. Provenance: wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . mailarchive.ietf.org. mailarchive.ietf.org. Provenance: wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . RFC 2987: Registration of Charset and Languages Media Features Tags. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [27] ↑ . Wikidata sitelinks. wikidata.org.
  3. [28] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). IETF language tag. Retrieved May 3, 2026, from https://4ort.xyz/entity/ietf-language-tag
MLA “IETF language tag.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ietf-language-tag.
BibTeX @misc{4ortxyz_ietf-language-tag_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{IETF language tag}}, year = {2026}, url = {https://4ort.xyz/entity/ietf-language-tag}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): IETF language tag — https://4ort.xyz/entity/ietf-language-tag (retrieved 2026-05-03)

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