Biometrics are measurable physical characteristics, most commonly fingerprints, facial photographs, and sometimes iris scans, used to confirm and record a person's identity. Across the GCC, capturing biometrics is a routine part of immigration and identity processes, linking a unique biological signature to an applicant's records so the identity cannot be easily duplicated.
For expatriates, biometric enrolment typically happens when applying for a residence permit or national identity card, for example fingerprinting for the Iqama in Saudi Arabia, biometric capture for the Emirates ID in the UAE, and fingerprinting steps required by other GCC authorities. Failure to complete or register biometrics correctly can stall a permit, which is why a missing or unregistered fingerprint is a common cause of delays.
Biometric records also support border control, security screening, and re-issuance of lost cards. Because the data is sensitive, it is held by government authorities and tied to the holder's identity number.