The reason why Japan is considered to be an aging society is that it has a. high life expectancy.
Japan is one of the most developed countries in the world which has allowed its citizens to live longer.
As a result of this high life expectancy, there are many old people in Japan which is why it is considered to be an aging society.
Options for this question include:
a. high life expectancy
b. low birth rate
c. high fertility rate
d. low immigration rate
Find out more on Japan's population at https://brainly.com/question/25073972
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