This project analyzes differences across time, demographic groups, and geography in the employment outcomes of SSDI and SSI beneficiaries with intellectual and developmental disabilities (I/DD). It examines employment trends over the course of the 21st century, including during the Great Recession and COVID pandemic; the role of compositional shifts among those with I/DD who are enrolled in SSDI/SSI; racial and ethnic disparities in employment outcomes; and geographic (state-by-state) variations in outcomes