Hong Kong women have the world's longest life expectancy.

According to Worldometers data, the global life expectancy was 73.2 years in 2020. Women had a longer life expectancy of 75.6 years, while men had 70.8 years.

Hong Kong is recorded as the country with the highest female life expectancy in the world, reaching 88.17 years. The main factor contributing to this high life expectancy is the adequate quality of children's healthcare facilities. This factor makes Hong Kong the country with the lowest infant mortality rate in the world.

Japan has the second-highest female life expectancy at 88.09 years. The main factors in Japan are a diet rich in fresh fruits, vegetables, meat, and fish, as well as grains. Japan also has a culture of remaining active even in old age.

Macau ranks third with a female life expectancy of 87.62 years. Other countries with high female life expectancies include Spain (86.68 years), South Korea (86.42 years), and Singapore (86.15 years).

Several factors contribute to women having a longer life expectancy than men. These include a lower risk of infection in women compared to men, the role of estrogen in the immune system, and women's higher level of concern for their health compared to men.

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