A decline in population in a region or country. A social phenomenon caused by factors such as low birth rates, outmigration of young people, and aging populations.
地方では人口減少が進み、学校や病院が統合されている。
In rural areas, population decline is progressing, and schools and hospitals are being consolidated.
政府は人口減少対策として子育て支援の強化を打ち出した。
The government proposed strengthening childcare support as a measure against population decline.
若者の都市流出が人口減少をさらに加速させている。
The outflow of young people to cities is further accelerating population decline.
人口減少は地域経済にも大きな影響を与える。
Population decline also has a major impact on local economies.