The state of California administers the State Disability Insurance program, commonly referred to as SDI. For more information regarding this public disability insurance program visit https://www.edd.ca.gov/disability/.
Social Security Disability Insurance (SSDI) pays benefits to you and certain members of your family if you are "insured," meaning that you worked long enough and paid Social Security taxes. For information and to apply for SSDI visit https://www.ssa.gov/benefits/disability/.
Supplemental Security Income (SSI) is a federal income supplement program funded by general tax revenues (not Social Security taxes). It provides cash to meet basic needs for food, clothing, and shelter for people who are aged, blind, and disabled people who have little or no income. For information visit http://www.ssa.gov/ssi.