The Global Demography of Aging: Facts, Explanations, Future

66 Pages Posted: 6 Sep 2016

See all articles by David E. Bloom

David E. Bloom

Harvard University - T.H. Chan School of Public Health; National Bureau of Economic Research (NBER)

Dara Lee Luca

Mathematica Policy Research

Abstract

Population ageing is the 21st century's dominant demographic phenomenon. Declining fertility, increasing longevity, and the progression of large-sized cohorts to the older ages are causing elder shares to rise throughout the world. The phenomenon of population ageing, which is unprecedented in human history, brings with it sweeping changes in population needs and capacities, with potentially significant implications for employment, savings, consumption, economic growth, asset values, and fiscal balance. This chapter provides a broad overview of the global demography of aging.It reviews patterns, trends, and projections involving various indicators of population aging and their demographic antecedents and sequelae. The chapter also reviews theories economists use to explain the behavioral changes driving the most prominent demographic shifts. Finally, it discusses the changing nature of aging, the future of longevity, and associated policy implications, highlighting some key research issues that require further examination.

Keywords: population aging, economic demography, longevity

JEL Classification: J11, J14, N30

Suggested Citation

Bloom, David E. and Luca, Dara Lee, The Global Demography of Aging: Facts, Explanations, Future. IZA Discussion Paper No. 10163. Available at SSRN: https://ssrn.com/abstract=2834213

David E. Bloom (Contact Author)

Harvard University - T.H. Chan School of Public Health ( email )

677 Huntington Avenue
Boston, MA MA 02115
United States
617-432-0654 (Phone)

National Bureau of Economic Research (NBER)

1050 Massachusetts Avenue
Cambridge, MA 02138
United States

Dara Lee Luca

Mathematica Policy Research ( email )

P.O. Box 2393
Princeton, NJ 08543-2393
United States

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