Volume 13 - Article 21 | Pages 547–558
Five period measures of longevity
Abstract
This study provides a summary of recently proposed alternatives period measures of "longevity" and assesses whether empirical differences between these measures are consistent with predictions from analytic studies. Particular attention is given to the tempo effect. Three of the five period measures are virtually equal to one another in a simulated population in which mortality follows a Gompertz model with a constant rate of improvement. Similar results are observed among females in Denmark, England and Wales and Sweden in the last quarter century. However, these three measures differ substantially from the conventional period life expectancy when mortality changes over time. These findings are consistent with theoretical analysis by Bongaarts and Feeney (2002, 2003, 2005) which demonstrated that this deviation is caused by a tempo effect whose size varies with the rate of change in mortality.
Author’s Affiliation
- John Bongaarts - Population Council, International EMAIL
Other articles by the same author/authors in Demographic Research
Extramarital fertility in low- and middle-income countries
Volume 47 - Article 3
The effect of contraception on fertility: Is sub-Saharan Africa different?
Volume 37 - Article 6
Modeling the fertility impact of the proximate determinants: Time for a tune-up
Volume 33 - Article 19
Most recent similar articles in Demographic Research
Tempo effects in period TFR: Inspecting the role of shape and scale variations in a cohort model
Volume 52 - Article 19
| Keywords:
scale,
shape,
skew-normal distribution,
tempo distortion,
total fertility rate (TFR)
Life expectancy by religious affiliation in Finland 1972–2020
Volume 52 - Article 17
| Keywords:
Finland,
life expectancy,
register data,
religious affiliation
A comprehensive database of estimates and forecasts of Spanish sex–age death rates by climate area, income level, and habitat size (2010–2050)
Volume 52 - Article 1
| Keywords:
georeferenced predictions,
life tables,
longevity,
mortality trends,
risk factors
The impact of the COVID-19 pandemic on mortality in Uruguay from 2020 to 2022
Volume 51 - Article 29
| Keywords:
COVID-19,
excess mortality,
life expectancy,
Uruguay
On the relationship between life expectancy, modal age at death, and the threshold age of the life table entropy
Volume 51 - Article 24
| Keywords:
Gompertz law,
life expectancy,
lifespan variation,
longevity,
mode,
mortality
Download to Citation Manager
PubMed
Google Scholar