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The impact of the choice of life table statistics when forecasting mortality

Author

Listed:
  • Marie-Pier Bergeron-Boucher

    (Syddansk Universitet)

  • Søren Kjærgaard

    (Syddansk Universitet)

  • James E. Oeppen

    (Syddansk Universitet)

  • James W. Vaupel

    (Syddansk Universitet)

Abstract

Background: Different ways to forecast mortality have been suggested, with many forecasting models based on the extrapolation of age-specific death rates. Recent studies, however, have looked into forecasting models based on other mortality indicators, such as life expectancy or life table deaths. Objective: Here we ask, what are the implications of choosing one indicator over another to forecast mortality? Methods: We compare five extrapolative models based on different life table statistics: death rates, death probabilities, survival probabilities, life table deaths, and life expectancy at birth. We show the consequences of using a specific indicator for the forecast results by looking into time changes in the indicators produced by the models. Results: The results show that forecasting based on death rates and probabilities of death leads to more pessimistic forecasts than using survival probabilities, life table deaths, and life expectancy when applying existing models based on linear extrapolation of (transformed) indicators. Contribution: The paper raises awareness that the use of a specific life table statistic as input for mortality forecasting has a significant impact on the forecast results.

Suggested Citation

  • Marie-Pier Bergeron-Boucher & Søren Kjærgaard & James E. Oeppen & James W. Vaupel, 2019. "The impact of the choice of life table statistics when forecasting mortality," Demographic Research, Max Planck Institute for Demographic Research, Rostock, Germany, vol. 41(43), pages 1235-1268.
    • Handle: RePEc:dem:demres:v:41:y:2019:i:43
    DOI: 10.4054/DemRes.2019.41.43
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    Cited by:

    1. Bergeron-Boucher, Marie-Pier & Kjærgaard, Søren, 2022. "Mortality forecasts by age and cause of death: How to forecast both dimensions?," SocArXiv d7hbp, Center for Open Science.
    2. Basellini, Ugofilippo & Camarda, Carlo Giovanni & Booth, Heather, 2023. "Thirty years on: A review of the Lee–Carter method for forecasting mortality," International Journal of Forecasting, Elsevier, vol. 39(3), pages 1033-1049.
    3. Bergeron-Boucher, Marie-Pier & Vázquez-Castillo, Paola & Missov, Trifon, 2022. "A modal age at death approach to forecasting mortality," SocArXiv 5zr2k, Center for Open Science.
    4. Basellini, Ugofilippo & Camarda, Carlo Giovanni & Booth, Heather, 2022. "Thirty years on: A review of the Lee-Carter method for forecasting mortality," SocArXiv 8u34d, Center for Open Science.

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    More about this item

    Keywords

    mortality forecasts; life table; life expectancy; rate of mortality improvement;
    All these keywords.

    JEL classification:

    • J1 - Labor and Demographic Economics - - Demographic Economics
    • Z0 - Other Special Topics - - General

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