Did you get a SSA-1099 last year? Or are you on ssi? You don't get a form for ssi or report it on your tax return. You can go to the ssa online and maybe get your SSA-1099 form. I haven't got mine in the mail yet but there was an initial form posted on my account.
SSA get your 1099 form
https://www.ssa.gov/manage-benefits/get-tax-form-10991042s
