A. “OASDI Beneficiaries by State and ZIP Code, 2011,” (September 2012, .pdf and Excel format, 719p.).
www.ssa.gov/policy/docs/statcomps/oasdi_zip/2011/index.html
B. International Update, September 2012 (September 2012, .pdf format, 3p.).
www.ssa.gov/policy/docs/progdesc/intl_update/2012-09/index.html