So, if you were born on July 1, according to the Social Security Administration, your Birth Month — and therefore the month that your benefit is based upon (for example, Full Retirement Age ...

The Social Security Administration also issues another type of document, a benefit verification letter, which includes more details about your benefit and can serve as proof of your income from ...

You'll be able to readily provide the information requested when filling out a Social Security application. The Social Security Administration ... typically request a birth certificate to prove ...