This report documents the “Components of Historical Mortality Improvement” project commissioned by the Longevity Advisory Group (LAG) of the Society of Actuaries. The purpose of the project is to compare and contrast methodologies for allocating historical gender-specific mortality improvement (or deterioration) experience in the U.S. into four components (age, period, cohort, and residual), drawing from the methodologies developed previously by the Continuous Mortality Investigation (CMI) of the Institute and Faculty of Actuaries (IFoA). Volume 1 provides the background
information and presents the modeling work associated with Route A. Volume 2 documents the modeling work related to Route B, and concludes with a recommendation.
Components of Historical Mortality Improvement Volume 1 — Background and Mortality Improvement Rate Modeling
Components of Historical Mortality Improvement Volume 2 − Mortality Rate Modeling and Conclusions
Components of Historical Mortality Improvement Workbook
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