# Social Security Number

**IRI:** https://folio.openlegalstandard.org/R9ya2bhBlRQfwOwM8T7zhJa

## Labels

**Preferred Label:** SSN

## Definition

A Social Security Number (SSN) is a nine-digit identification number issued by the U.S. Social Security Administration. Primarily used for tracking individuals for taxation purposes, the SSN has also become a de facto national identification number used for various other legal, financial, and personal identification activities.

## Sub Class Of

- https://folio.openlegalstandard.org/RXwl9xfFnpmQn8Ex816ROD

**Deprecated:** False