CLDR 33 Release Note (DRAFT)

This version is currently in development. See the latest release.

Date Rel. Note Data Charts Spec Delta SVN Tag DTD Diffs DTD Δs
33 2018-MM-DD v33 CLDR33 Charts33 LDML33 Δ33 release-33 ΔDTD33  33


Unicode CLDR 33 provides an update to the key building blocks for software supporting the world's languages. This data is used by all major software systems for their software internationalization and localization, adapting software to the conventions of different languages for such common software tasks.

Improvements in this release include: 

  • Addition of new currency code MRU for Mauritania.
  • Updating of currency display names for São Tomé & Príncipe Dobra (STN)
For information on structural changes, see Spec Modifications.


The charts have been updated for the v33 data. TBD

Survey Tool

For changes that may affect migration to this version, see Migration.

Other data additions and changes

The following summarizes some of the other changes in non-locale data.

For more information, see detailed delta charts.


The following gives the total overview of the change in data items in CLDR.


  • Plurals: ordinal and cardinal rules have been added for scn. The cardinal (plural) rules for Macedonian (mk) have been changed so that one➞other for {11}. Should not cause migration issues.

Known Issues

  1. TBD


Many people have made significant contributions to CLDR and LDML; see the Acknowledgments page for a full listing.

Key to Header Links

Rel. Note a general description of the contents of the release, and any relevant notes about the release
Data a set of zip files containing the contents of the release (the files are complete in themselves, and do not require files from earlier releases -- for the structure of the zip file, see Repository Organization)
Charts a set of charts showing some of the data in the release.
Spec the version of UTS #35: LDML that corresponds to the release
Delta a list of all the bug fixes and features in the release, which be used to get the precise corresponding file changes using BugDiffs
SVN Tag the files in the release, accessible via via Repository AccessFor more details see CLDR Releases (Downloads)
DTD Diffs a diff of the DTD source files
DTD Δs a link pointing to a charts of changes in the DTDs over time.

The Unicode Terms of Use apply to CLDR data; in particular, see Exhibit 1.
For web pages with different views of CLDR data, see