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Disability Analysis File (DAF) - Public Use File (PUF) Data Collection

Published by Social Security Administration | Social Security Administration | Metadata Last Checked: August 09, 2025 | Last Modified: R/P1Y
The Disability Analysis File (DAF) - Public Use File (PUF), which contains a random 10 percent sample of beneficiaries included in the full DAF, is a set of files containing data related to program participation and benefits for Social Security Disability Insurance (SSDI) and Supplemental Security Income (SSI) beneficiaries between the ages of 18 and Full Retirement Age (FRA) who have received disability benefits in any month since 1996. It also includes data on selected beneficiaries aged 10 to 17 who have received benefits since 2005. The DAF contains data as early as January 1994 and many longitudinal variables are available for the full time period. Some variables are only available for a portion of the time range and information in the DAF documentation provides users with the range available for each variable. The PUF is sectioned into two core components, the Demographic component and the Annuals components, linkable using the unique identifier variable in each file. Please Note: the CSV files will not

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