Source: U.S. Bureau of Economic Analysis
Release: Personal Income and Outlays
BEA Account Code: W823RC
Social security benefits include old-age, survivors, and disability insurance benefits that are distributed from the federal old-age and survivors insurance trust fund and the disability insurance trust fund.
A Guide to the National Income and Product Accounts of the United States (NIPA) - (http://www.bea.gov/national/pdf/nipaguid.pdf)
U.S. Bureau of Economic Analysis, Personal current transfer receipts: Government social benefits to persons: Social security [W823RC1], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/W823RC1, February 19, 2018.