人口減少 (じんこうげんしょう)

Definition

人口減少 refers to a decrease in the population of a specific area or country over time. It means that there are fewer people living in that place compared to before.

Analogy

Imagine a bowl of popcorn slowly disappearing as people eat it. The popcorn represents the population, and as more and more pieces are eaten, the overall amount decreases.

Related terms

少子化 (しょうしか): This term refers to the declining birth rate, which is one of the main causes of 人口減少.

高齢化 (こうれいか): This term describes the aging population, another factor contributing to 人口減少.

移民 (いみん): Immigration is often considered as a solution to counteract 人口減少 by increasing the number of people in a country or area.