Trends in Causes of Death in Low Mortality Countries: Implications for Mortality Projections

John Bongaarts, Population Council

This study examines the potential role information about trends in causes of death could have in improving projections of mortality in low mortality countries. The first half of the paper summarizes overall trends in mortality by cause since the middle of the 20th century. Special attention is given to the crucial impact of the smoking epidemic on mortality and on causes of death patterns. The last part of the paper discusses the implications for projections and reaches two conclusions. First, mortality projections can be improved by taking into account the distorting effects of smoking. Mortality attributable to smoking has risen in the past but has now leveled off or declined thus boosting improvements in life expectancy. Second, making cause-specific projections is not likely to be helpful. Trends in specific medical causes of death have experienced discontinuities in the past and future trends are therefore difficult to predict.

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Presented in Session 104: Advances in Methods for Forecasting Mortality