demographer
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.
人口学家预测,这批女性中有20%至30%将保持无子女状态。
- Demographers predict that 20–30% of this cohort of women will remain childless.