ssdi definition
Supplemental Security Income (SSI) and Social Security Disability Insurance (SSDI) are both federal programs that provide cash payments to people who meet the federal definition of disabled. But the similarities between the two programs end there. Here are the three main differences between them.
SSI Is a Means-Tested Program, SSDI Is an Entitlement Program Although both SSI and SSDI are administered by the Social Security Administration, the two programs have vastly different financial requirements.