 Unicode CLDR project overview by the Unicode Consortium

Official Unicode CLDR Project overview, inspected3November2026. What is CLDR and How to Use: current expansion Common Locale Data & Rules; locale-sensitive dates, numbers and units; curated data, UTS35 specification and supporting code; common indirect use through internationalization libraries. Preserve the former Common Locale Data Repository ID as an adjacent alias if the project article adopts its current documented name.