人口出生率下降
declining birthrate

China's declining birthrate in recent years has been driven by a decreasing number of women of childbearing age, changes in young people's attitudes toward marriage and fertility, and rising child care costs, health officials said on Thursday.
国家卫健委官员1月20日表示，这几年来我国出生人口持续下降是育龄妇女规模下降、年轻人婚育观念显著变化、生育养育教育成本偏高等多重因素综合影响的结果。