replacement rate 人口替代率

replacement rate
繁：人口替代率
简：人口替代率

與此同時，世界上一些最發達的經濟體已經出現人口下降，生育率降至每名婦女生育2.1個孩子以下，這被稱為”人口替代率“。

世界人口：聯合國稱印度人口將在2023年超過中國（2022年7月12日）。BBC中文，取自https://www.bbc.com/zhongwen/trad/world-62132599

At the same time, some of the world’s most developed economies are already seeing population decline as fertility rates fall below 2.1 children per woman, which is known as the “replacement rate“. 

World Population Day: India will overtake China in 2023, says the UN (2022, July 12). BBC. Retrieved from
https://www.bbc.com/news/science-environment-62126413