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In 2024, the average life expectancy of women in Japan was approximately **** years, whereas the life expectancy of men reached around **** years. The average life expectancy of both men and women in Japan indicated an increase compared to twenty years ago.

Aging workforce

Japan has one of the highest proportions of senior citizens worldwide, with almost ** percent of the country’s population aged 65 years and older. The growing average life expectancy and declining fertility rates led to this demographic shift. To secure the nation's workforce despite the aging population, the Japanese government amended the Act on Stabilization of Employment of Elderly Persons in 2021 and requested Japanese enterprises to raise the retirement age to 70 for employees who wish to continue working after turning 60 or 65.

Causes of death

The leading causes of death in Japan are . Lung cancer is the most mortal cancer site among Japanese men and women, but its mortality risk has declined from the 1990s onward. This development can be partially attributed to the downward trend in tobacco consumption. Since peaking in the 1970s, tobacco consumption in Japan has steadily declined, noticeable from the continuous decrease in the cigarette industry’s annual sales volume growth. Apart from a growing awareness regarding health risks, this downward movement can be explained by a tightening of prefectural no-smoking policies in the streets, many restaurants, and public places in general.