Related info

Main source: United Nations Statistics Division, UN Data, Maternity leave benefits (New York). Available at http://data.un.org/Default.aspx [8 Jun. 2014], based on ILO (International Labour Office): Working Conditions Laws database. Available at: http://www.ilo.org/dyn/travail/travmain.home [8 Jun. 2014].

Other source:
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/ [8 June 2014].