人じん口こう減げん少しょう

noun

population decline; depopulation

Refers to a sustained decrease in the number of people in a region or country, often used in demographic, economic, and policy contexts.

• 日本にほんの人じん口こう減げん少しょうは深しん刻こくな問もん題だいだ。

  Japan's population decline is a serious problem.

• この町まちでは人じん口こう減げん少しょうが続つづいている。

  This town has been experiencing a continuous population decline.