Centenary of Medical Advances Issued on April 7, 1979 (Showa 54) In Japan, women were about 70 years old and men were about 65 years old in 1960, just before the realization of universal health insurance, due to excellent systems and systems such as public medical insurance. Since then, the average life expectancy of Japanese people has increased significantly, reaching 87.25 years for women and 81.09 years for men in 2017.The Ministry of Posts and Telecommunications has issued stamps to commemorate the 100th anniversary of Japan's medical system, and Leonardo da Vinci's human body drawings are designed.