Japan’s life expectancy higher in central prefectures

Tokyo: A survey found that at 82.73 years, men in Shiga Prefecture had the longest average life expectancy in Japan. However, even the shortest average life expectancy for women, of 86.33 years in Aomori, well exceeded the top figure for men.

The longest average life expectancies by prefecture in Japan as of 2020 were 88.29 years for women in Okayama and 82.73 years for men in Shiga.

This was according to a survey conducted by the Ministry of Health, Labor, and Welfare. Aomori Prefecture had the shortest average life expectancy for both men and women at 79.27 years and 86.33 years, respectively. Compared to the previous survey in 2015, life expectancy for both men and women rose across all prefectures.

For Aomori though, it was the fifth consecutive time to have the shortest average life expectancy for women and the tenth consecutive time for men; it was also the only prefecture where the men’s average age was under eighty. There was a 1.21-year gap with the expectancy for men in the next lowest-ranking prefecture, Akita. In contrast, Shiga, Nagano, and Kyoto all ranked in the top four for both men and women. The gap between the longest and shortest averages was 1.96 years for women, an increase from 1.74 years in the previous survey. For men, the gap also widened from 3.11 to 3.46 years.

The distribution of average life expectancy figures on the charts below shows that it is generally longer nearer the center of Japan for both men and women, while it is shorter from Kita-Kanto northward.

This survey is conducted every five years and the figures this time were calculated based on the 2020 national census and the number of deaths between 2019 and 2021.

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