decreasing birthrate and aging population; aging population combined with the diminishing number of children; declining birthrate and a growing proportion of elderly people; dwindling birthrate and an aging population; low birthrate and longevitysee also 少子化 and 高齢化
decreasing birthrate and aging population; aging population combined with the diminishing number of children; declining birthrate and a growing proportion of elderly people; dwindling birthrate and an aging population; low birthrate and longevitysee also 少子化 and 高齢化
Lingaku