Social Security programs in the United States.
D000328:Adult; D000368:Aged; D002648:Child; D004608:Eligibility Determination / Q000639:trends; D005380:Financing, Government / Q000639:trends; D006801:Humans; D007182:Income; D008484:Medicaid; D006278:Medicare; D012943:Social Security; D014478:Unemployment; D014481:United States; D014942:Workers' Compensation / Q000639:trends