Siu Lan Karen Cheung
Jean-Marie Robine
Fred Paccaud
Alfio Marazzi

http://www.demographic-research.org/volumes/vol21/19/

doi:10.4054/DemRes.2009.21.19

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Abstract
This paper aims to examine changes in common longevity and variability of the adult life span, and attempts to answer whether or not the compression of mortality continues in Switzerland in the years 1876-2005. The results show that the negative relationships between the large increase in the adult modal age at death, observed at least from the 1920s, and the decrease in the standard deviation of the ages at deaths occurring above it, illustrate a significant compression of adult mortality. Typical adult longevity increased by about 10% during the last fifty years in Switzerland, and adult heterogeneity in the age at death decreased in the same proportion. This analysis has not found any evidence suggesting that we are approaching longevity limits in term of modal or even maximum life spans. It ascertains a slowdown in the reduction of adult heterogeneity in longevity, already observed in Japan and other low mortality countries.

Author's affiliation
Siu Lan Karen Cheung
Hong Kong University of Science and Technology, Hong Kong
Jean-Marie Robine
INSERM (Institut national de la santé et de la recherche médicale), France
Fred Paccaud
University of Lausanne, Switzerland
Alfio Marazzi
University of Lausanne, Switzerland

Keywords
compression of mortality, typical longevity, variability of adult life span

Word count (Main text)
4064

Other articles by the same author/authors (in Demographic Research)

	[22-18] Arthur Roger Thatcher's contributions to longevity research: A Reflexion
	[22-17] The compression of deaths above the mode

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	[22-18] Arthur Roger Thatcher's contributions to longevity research: A Reflexion (compression of mortality)
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