Personal identifier


Personal Identifiers are a subset of personally identifiable information data elements, which identify an individual and can permit another person PIIs include direct identifiers and indirect identifiers.
Identifiers can be sensitive and non-sensitive, depending on whether it is a direct identifier that is uniquely associated with a person or a quasi-identifier that is not unique. A quasi-identifier cannot pin down an individual alone - it has to be combined with other identifiers.

Examples of PID

Privately issued ID credentials

Transactional financial account numbers

Biometric identifiers

Health or medical information

  • National Health certificate number

Electronic identification credentials

Full Date of Birth

  • Month, day and year

European-defined sensitive data

Treated as PID globally, not just for citizens of the EU