Supplemental Security Income (SSI) and state supplementary payments are cash information programs for people with disabilities, blindness, or who are 65 and older with limited income and resources. If you receive SSI or think you might be may be able to access, understanding how these programs work—what counts as income, how resources affect your payments, and what happens when circumstances change—matters for keeping your benefits stable and avoiding overpayments you'd have to repay.

The articles here explain how SSI and state supplements calculate your monthly payment, what triggers a review of your case, how to report changes that affect your benefits, and what to do if you disagree with a decision or notice an error in your payment. You'll also find information about how work affects your benefits and what happens to your SSI when you turn 65.