This study attempts to analyze mortality change and differentials with application of life table in Korea and Japan.
The major findings are as follows :
1. In Korea, the mortality change age 0 has the largest impaction life expectancy at birth during the 1961-1991, contributed in both sexes with 3.82(28.98%) and 1.51(22.00%) years respectively, while in Japan the decline in mortality at the age group over 65 years has been the largest contributor(39.62% for male and 50.84% for females). Particularly, in Japan the mortality change after age 65 seems to be more important than it was in Korea. In 1961, 1978.79(79) and 1991(90), the mortality change after 55 years has been the largest impact on the total differential in life expectancy at birth in both sexes between Korea and Japan.
2. In Korea and Japan, the mortality differential at the ages after 55 still made the largest condition to the total sex differential of life expectancy at birth in 1961, 1970, 1978.79(79) and 1991(90), while the mortality differential at the 0-4 ages has the smallest impact on the increase to the total sex differential of life expectancy at birth in the same times, which accounted for the much higher mortality of males at the age group over 55 years.
3. In males, the probabilities of eventually dying of each cause in 1993 marks the highest at birth in case of malignant neoplasms (23.00%, 26.22%) in Korea and Japan, followed by heart disease(20.11%) in Japan, cerebroascular disease(16.65%) in Korea. In females, in case of cerebrovasular disease(20.19%) marks the highest at birch, followed by malignant neoplasms(14.14%), heart disease(10.57%) in Korea, while in Japan heart disease(25.17%), malignant neoplasms(17.40%) cerebrovascular disease(16.79%) in order. In Japan, malignant neoplasms and heart disease seem to be more important than it´s in Korea, while in Korea it´s cerebrovascular disease.
4. In Korea and Japan, the life expectancy at birth could be most prolonged by elimination of the malignant neoplasms in both sexes in 1993. In Korea, the second and third contributors to the incerease of years where the injury & poisoning and cerebrovascular disease in male, and cerbrovascular disease and injury & poisoning in female respectively. In Japan, heart disease and cerebrovascular disease were the first and second important contributors. The life expectancy at 65 could be most prolonged by elimination of the malignant neoplasms in both sexes in Korea, and prolonged by elimination of the malignant neoplasms in male and heart disease in females in Japan.
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