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Mortality compression in period life tables hides decompression in birth cohorts in low-mortality countries

Ediev, Dalkhat (2013) Mortality compression in period life tables hides decompression in birth cohorts in low-mortality countries. GENUS - Journal of Polulation Science, 69 (2). pp. 53-84. ISSN 2035-5556

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Abstract

The rapid increase in human longevity has raised important questions about what implications this development may have for the variability of age at death. Earlier studies have reported evidence of a historical trend towards mortality compression. However, the period life table model, commonly used to address mortality compression, produces a compressed picture of mortality as a built-in feature of the model. To overcome this limitation, we base our study on an examination of the durations of exposure, in years of age, of birth cohorts and period life tables to selected short ranges of the death rate observed at old age. Overall, old-age mortality has been decompressing, cohort-wise, since the 1960s. This process may further indicate good prospects for ever-decreasing mortality. In the future, deaths may not be concentrated within a narrow age interval, but will instead become more dispersed, though at ever later ages on average.

Item Type: Article
Keywords: mortality compression; cohort analysis; lifespan
Divisions: Departments > Sozioökonomie > Sozialpolitik > Demographie > Wittgenstein Centre
Version of the Document: Published
Depositing User: ePub Administrator
Date Deposited: 27 Sep 2017 16:08
Last Modified: 02 Dec 2017 18:53
Related URLs:
URI: http://epub.wu.ac.at/id/eprint/5773

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