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For current CLDR release information, seecldr.unicode.org.

Update: 2025-10-27

Note: CLDR 49 is in development and not recommended for use at this stage.

The Unicode Common Locale Data Repository (CLDR) provides key building blocks for software to support the world's languages, with the largest and most extensive standard repository of locale data available. This data is used by awide spectrum of companies for their software internationalization and localization, adapting software to the conventions of different languages for such common software tasks.

See for further information:

• CLDR releases and downloads,including the data files and LDML specification associated with each release

• Repository organization,describing the organization of files within this repository

• Building and running CLDR Tools

For details about all code or data contributions, seeCONTRIBUTING.md

A source formatter is now used, please seespotless for details.

Copyright © 2004-2025 Unicode, Inc. Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the United States and other countries.

A CLA is required to contribute to this project - please refer to theCONTRIBUTING.md file (or start a Pull Request) for more information.

The contents of this repository are governed by the UnicodeTerms of Use and are released underLICENSE.

Note that some CLDR tools depend on libraries managed via Maven; use of these libraries is governed by separate license agreements.