noun🔗Share人口统计学，人口学. The study of human populations and how they change."The government uses demography to plan for future needs, such as building new schools based on the expected number of children in an area. "政府利用人口统计学来规划未来的需求，比如根据一个地区预计的儿童数量来修建新学校。humanstatisticssocietyscienceorganizationChat with AIVocabulary GamePractice Reading
