MX · MEX
Mexico Clave Única de Registro de Población format
Official and reviewed ID format references, with permanently masked examples for copy and QA. This site does not validate identity IDs.
Clave Única de Registro de Población · Permanently masked examples
Data snapshot: Sources and data boundaries
Official public format
Clave Única de Registro de Población
CURP
Regex
^[A-Z]{4}\d{6}[HM][A-Z]{2}[A-Z]{3}[A-Z0-9]\d$MLWB851216MJAPG*R1
Regex and masked examples are reference only. This page does not validate identity IDs.
Data provenance
Sources
Data snapshot: 2026-10-05