Social Security Trust Fund Data

Frequently asked questions about the trust funds

Trust fund databases—get data on income, outgo, assets, ...

Trust fund growth—graph shows growth since 1987

Trustees Report—financial outlook for Social Security

Taxable earnings

Beneficiary data

General information

The Social Security Trust Funds are the Old-Age and Survivors Insurance (OASI) Trust Fund and the Disability Insurance (DI) Trust Fund. The OASI Trust Fund began in 1937; the DI Trust Fund in 1957. These trust funds are managed by the Department of the Treasury.

Trust fund tables

Calendar year data
- OASI Trust Fund, 1937 and later
- DI Trust Fund, 1957 and later
- OASI and DI Trust Funds, combined, 1957 and later

Fiscal year data, OASI and DI Trust Funds, combined

Investment data

Investment transactions
Investment holdings
Interest rates on trust fund investments


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