Journal of Population Economics

, Volume 14, Issue 4, pp 635–640 | Cite as

Uncertain lifetime, fertility and social security

  • Akira Yakita


Investigating the effects of population aging on fertility and economic growth, we show that an increase in life expectancy lowers the fertility rate and raises life-cycle savings, and that a pay-as-you-go social security does not reverse the effect on fertility.

JEL classification: D91, H55, J13 
Key words: Fertility, uncertain lifetime, social security 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Akira Yakita
    • 1
  1. 1.Department of Economics, Chukyo University, 101-2 Yagoto-Honmachi, Showa-ku, Nagoya 466-8666, Japan (Fax:+81-52-835-7198; e-mail:

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