Social Security Information Act of 1999

Social Security Information Act of 1999 - Amends title XI of the Social Security Act to revise requirements for the social security account statements distributed annually by the Secretary of Health and Human Services. Requires such statements to include: (1) a separate estimate of the interest earned on employee and self-employment contributions for hospital insurance and Old Age, Survivors and Disability Insurance (OASDI) under title II of the Social Security Act; (2) specified information on the projected value of the aggregate amount of employer and employee contributions for Old Age and Survivors Insurance, as well as annual and total amounts of benefits, in dollars adjusted for inflation; (3) the average annual rates of return on Treasury ten-year savings bonds and the Standard and Poor's 500; and (4) monthly and projected annual social security trust fund balances.