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    SSDIPrimary Insurance Amount

    PIA

    PIA is the base monthly Social Security benefit you would get at full retirement age. SSDI payments are also based on the PIA.

    Also known as

    Primary Insurance Amount

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    Frequently asked questions about PIA

    What is Primary Insurance Amount (PIA)?+

    PIA is the base monthly Social Security benefit you would get at full retirement age. SSDI payments are also based on the PIA.

    Who qualifies for PIA?+

    Adults under full retirement age who have a qualifying medical condition expected to last 12+ months and who have earned enough recent work credits.

    How do I apply for PIA?+

    Apply online at ssa.gov, by phone at 1-800-772-1213, or in person at your local Social Security office. There's no cost to apply. Official forms and instructions: https://www.ssa.gov/oact/cola/piaformula.html.

    Where can I get help?+

    Run the SSDI Filing Success Score to check your readiness, then the SSDI Benefit Estimator to size up your monthly payment. Local Social Security field offices can also help you apply at no cost.

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