The New Palgrave Dictionary of Economics

2018 Edition
| Editors: Macmillan Publishers Ltd

Ageing Populations

  • Robert L. Clark
Reference work entry
DOI: https://doi.org/10.1057/978-1-349-95189-5_171

Abstract

Population ageing is represented by an increase in the relative number of older persons in a population and is associated with an increase in the median age of the population. The age structure of a population is determined by its mortality, fertility, and net migration experience. Although life tables and survivorship rates date from the 17th century, the development of mathematical demography is essentially a 20th-century innovation. The techniques of mathematical demography can be used to show how the age structure of a population changes with alternative transition rates.

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Copyright information

© Macmillan Publishers Ltd. 2018

Authors and Affiliations

  • Robert L. Clark
    • 1
  1. 1.