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)