The Social Security program in the United States
provides protection against the loss of earnings due to retirement,
death, or disability. The financial operations of this program are
handled through the
Old-Age and Survivors Insurance (OASI)
and Disability Insurance (DI) Trust Funds.
Monthly benefits are paid from the OASI Trust Fund to
retired workers and their families and to survivors of
deceased workers. Monthly benefits
are paid from the DI Trust Fund to disabled workers and their
Both funds are financed primarily by contributions, or
taxes, paid by employees, their employers, and self-employed persons.
Other sources of income are interest on investments and income from
the taxation of benefits.
Data available from the Office of the Chief Actuary
on the number of Social Security beneficiaries and their
average benefit amounts
on income to and cost from the funds and on
investments of the funds