[Excerpt] This Congressional Budget Office (CBO) publication provides additional information about long-term projections of the Social Security program’s finances that were included in CBO’s 2011 Long-Term Budget Outlook (June 2011).Those projections, which cover the 75-year period spanning 2011 to 2085, and the additional information presented in this document update projections CBO prepared last year and reported in CBO’s 2010 Long-Term Projections for Social Security: Additional Information.