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declining birth rate and aging population
政府は少子高齢化対策に乗り出した。
The government launched measures to address the declining birth rate and aging population.
地方では少子高齢化が深刻化している。
In rural areas, the declining birth rate and aging population is becoming more serious.
エコノミストは少子高齢化で労働力が減少すると警告した。
Economists warned that the labor force would shrink due to the declining birth rate and aging population.