http://www.socialsecurity.gov/policy/docs/progdesc/ssptw/2012-2013/americas/index.html
Features a country by country survey of social security programs including program types, retirement income systems, demographic and other statistics related to social security, and contribution rates. From the Social Security Administration
http://www.bls.gov/opub/btn/volume-3/employer-sponsored-benefits-extended-to-domestic-partners.htm
Looks at the frequency with which health and defined-benefit plans are available to unmarried opposite-sex and unmarried same-sex partners. From the Bureau of Labor Statistics
http://www.ssa.gov/policy/docs/ssb/v74n1/v74n1p27.html
Compares retirement resources of immigrants with natives and discovers that immigrants have lower levels of retirement resources but higher levels of net worth. From the Social Security Administration
https://faq.ssa.gov/link/portal/34011/34019/ArticleFolder/407/Same-Sex-Couples
A set of 9 questions about social security benefits for partners in same-sex relationships. From the Social Security Administration
http://www.gao.gov/assets/670/660202.pdf
Examines the trends in marriage and labor force participation in American households, how those trends affect spousal benefits and retirement savings behavior, and the implications of these trends for the future. From the Government Accountability Office
http://www.federalreserve.gov/pubs/feds/2014/201413/201413pap.pdf
Finds that societies with a social security program weather a financial shock better than those without one, and that poorer members of society are less harmed by business downturns due to their social security allowances. From the Federal Reserve
http://www.ssa.gov/policy/docs/statcomps/supplement/2013/index.html
The major annual statistics compilation on social services programs including Old Age, Survivors and Disability Insurance, Supplemental Security Income, Medicare, Medicaid, Unemployment Insurance, Workers’ Compensation and more. From the Social Security Administration
http://www.cbo.gov/sites/default/files/cbofiles/attachments/43889-2014-02-Social_Security.pdf
Shows projections of numbers of recipients, average benefits, and federal government outlays for the Social Security program that covers retirees and dependents from actual 2013 data to estimated 2024 figures. From the Congressional Budget Office