Seasonal mortality for fractional ages in short term life insurance

J.J. Fernández-Durán and M.M. Gregorio-Domínguez

Scandinavian Actuarial Journal, 2015, vol. 2015, issue 3, 266-277

Abstract: Fernández-Durán, and Gregorio-Domínguez, Seasonal Mortality for Fractional Ages in Life Insurance. Scandinavian Actuarial Journal. A uniform distribution of deaths between integral ages is a widely used assumption for estimating future-lifetimes; however, this assumption does not necessarily reflect the true distribution of deaths throughout the year. We propose the use of a seasonal mortality assumption for estimating the distribution of future-lifetimes between integral ages: this assumption accounts for the number of deaths that occurs in given months of the year, including the excess mortality that is observed in winter months. The impact of this seasonal mortality assumption on short-term life insurance premium calculations is then examined by applying the proposed assumption to Mexican mortality data.

Date: 2015
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DOI: 10.1080/03461238.2013.819028

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