Notch Baby Act of 2011 - Amends title II (Old Age, Survivors and Disability Insurance) of the Social Security Act with respect to the benefit computation formula for individuals affected by the changes in benefit computation rules enacted in the Social Security Amendments of 1977 who became eligible (at age 62) for (early retirement) old-age insurance benefits after 1978 and before 1989 (and reached age 65 for full-retirement benefits after 1981 and before 1992).
Sets forth a schedule of additional benefit increases for such beneficiaries (and related beneficiaries), with percentages declining from 60% to 10% keyed to the year an individual became eligible for (early retirement) benefits between 1978 and 1989.