de·mog·ra·pher
noun/dɪˈmɒɡrəfə(r)/
/dɪˈmɑːɡrəfər/
- a person who studies the changing number of births, deaths, diseases, etc. in a community over a period of time
人口统计；人口统计学；人口学 - Demographers predict that 20–30% of this cohort of women will remain childless.
人口统计学家预测，这群女性中有 20-30% 将无法生育。
- Demographers predict that 20–30% of this cohort of women will remain childless.