Definition, Meaning & Synonyms
social-insurance-number
noun
/ˈsoʊʃəl ˈɪnʃʊrəns ˈnʌmbər/

Definition
A social insurance number (SIN) is a unique identifier assigned to individuals for the purposes of government benefits and programs.

Examples
- The social insurance number is required for tax reporting.
- When applying for government assistance, you must provide your social insurance number.
- Employers often ask for an employee’s social insurance number for payroll purposes.

Meaning
In many countries, a social insurance number is used to track earnings and contributions to social security systems, helping to provide access to public services and benefits.

Synonyms
- Social Security Number (SSN)
- National Insurance Number
- Tax Identification Number (TIN)