PROGRAM ON THE GLOBAL DEMOGRAPHY OF AGING Working Paper Series Social Protection of Older People David E. Bloom, Emmanuel Jimenez, and Larry Rosenberg November 2011 PGDA Working Paper No. 83 http://www.hsph.harvard.edu/pgda/working.htm The views expressed in this paper are those of the author(s) and not necessarily those of the Harvard Initiative for Global Health. The Program on the Global Demography of Aging receives funding from the National Institute on Aging, Grant No. 1 P30 AG024409-06.