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Social Security number

[soh-shuhl si-kyoor-i-tee nuhm-ber]

noun

  1. a unique nine-digit number assigned to each U.S. citizen and sometimes also given to resident non-citizens, used by the government for Social Security taxes, program eligibility, etc. SSN



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Word History and Origins

Origin of Social Security number1

First recorded in 1935–40
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Example Sentences

Examples have not been reviewed.

The investigation, authorities said, found multiple instances of workers using counterfeit documents, including Social Security numbers.

From

According to the company, when he began working for them, he met all Uber requirements, including passing a criminal and driving history background check, providing a photo ID and holding a valid Social Security number.

From

To be eligible for the program, the child must be a US citizen "at birth," possess a Social Security number, and have a birthdate after December 31, 2024, and prior to January 1, 2029.

From

The criminals obtained information such as names, phone numbers, emails, the last four digits of people’s Social Security numbers and other valuable data for less than 1% of its users.

From

O'Malley said the administration's plan to cancel the Social Security numbers of some eligible immigrants is “totally contrary to law.”

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Social Security AdministrationSocial Security System