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language-subtag-registry

Full BCP 47 language subtag data from the official IANA repository, in JSON format with multiple indices.

v0.4.2, 9 Dec 2025CC0-1.0ESM onlyTypes: NoneInternationalisation
$ npm install language-subtag-registry
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Key numbers

As of 25 Sept 2026
Weekly downloads
35m
+107% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
9 months ago
v0.4.2
GitHub stars
89
14 forks
Open issues / PRs
1 / 0
Contributors
4
Commits, last 52 weeks
2

Downloads

Last week 2026-09-15 to 2026-09-21
020m40m60mSept 2025Mar 2026Sept 2026High 45.1m (25 Aug 2026)Low 10.9m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

35,048,220 downloads last week, 153,954,408 in the last month. The 12-month change of +107% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
126 in total
Latest version
0.4.2, 9 Dec 20259 months ago
First published
29 Sept 2013
Last push to GitHub
9 Dec 2025289 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
0
Commits, last 52 weeks
2
Dependents on npm
485

Major versions

  1. v0 first release 0.1.0, 29 Sept 2013

Recent releases

VersionPublished
0.4.29 Dec 2025
0.3.2321 May 2024
0.3.225 Jul 2022
0.3.2127 Oct 2020
0.3.2016 Nov 2019
0.3.1931 Jul 2019
0.3.183 Mar 2017
0.3.1718 Nov 2016
0.3.1612 Sept 2016
0.3.1518 Jul 2016
0.3.1421 Jun 2016
0.3.1312 Jan 2016
0.3.119 Jun 2015
0.3.103 May 2015

Compatibility

Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
1.5 MB
Dependencies (0)
None

Install

npm install language-subtag-registry

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/language-subtag-registry@0.4.2/
  • unpkghttps://unpkg.com/language-subtag-registry@0.4.2/
  • esm.shhttps://esm.sh/language-subtag-registry@0.4.2

Alternatives

PackageWeekly downloadsGzipLast releaseModuleComparison
bcp-47-normalize558.8k-3 years agoESM only-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.