Insurance, Mortality, Demography, Risk Management

Demography examines how human populations change over time through births, deaths, and migration, with a growing focus on the consequences of populations growing older as mortality rates decline and life expectancy rises. Understanding exactly how long people will live—and how that varies by country, cohort, and cause of death—matters enormously for pension systems, healthcare planning, and the insurance industry's ability to price longevity risk accurately. Forecasting future mortality is genuinely difficult: researchers debate whether gains in life expectancy will continue at roughly historical rates or eventually slow as biological limits are approached, and Bayesian and cohort-based statistical models offer competing frameworks for capturing uncertainty in those projections. An active frontier concerns the epidemiologic transition in lower-income countries, where populations are ageing rapidly even as infectious disease burdens persist, creating demographic trajectories that historical data from wealthier nations may not adequately predict.

Works

71,122

Total citations

643,905

Keywords

Population AgeingMortality ForecastingLife ExpectancyEpidemiologic TransitionDemographic ProjectionsLongevity Risk