Related info

Main source: HelpAge International: HelpAge's social pensions database. Available at:

http://www.pension-watch.net/about-social-pensions/about-social-pensions/social-pensions-database/ [6 Jun. 2014].

Other sources:

Qualitative information: SSA (Social Security Administration of the United States); ISSA (International Social Security Association). Social security programs throughout the world (Washington, DC and Geneva): The Americas, 2013; Europe, 2012; Asia and the Pacific, 2012; Africa, 2013. Available at: http://www.ssa.gov/policy/docs/progdesc/ssptw/ [6 June 2014].

Quantitative information:

ILO (International Labour Office). ILO Social Security Inquiry. Available at www.ilo.org/dyn/ilossi/ssimain.home [6 Jun. 2014].

National sources (see below).

Detailed links to national sources available at:

https://www.social-protection.org/gimi/RessourceDownload.action?id=43197

Additional sources for data used as denominators:

ILO (International Labour Office): The ILO Global Wage Database. Available at: http://www.ilo.org/travail/info/db/lang--en/index.htm [6 Jun. 2014].

United Nations: World Population Prospects, 2012 Revision. Available at: http://esa.un.org/wpp/index.htm [6 Jun. 2014]