This article uses data from the Social Security Administration's National Beneficiary Survey and agency administrative records to estimate the number and examine the characteristics of adult disability-program beneficiaries with multiple impairments. In the survey, most beneficiaries report...

Longitudinal access to disability benefits is affected by interactions in benefit eligibility between the Disability Insurance (DI) and Supplemental Security Income (SSI) programs and lags arising from processing time in receiving the first payment. Administrative records show that a quarter of...