Nghĩa chính
- Tháp dân sốdanh từA graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically forms the shape of a pyramid when the population is growing.
Dạng từ (word form)
theo quy tắc (regular)- population pyramidDạng gốc (base form)
- population pyramidsSố nhiều (plural)
Ví dụ
- .