population pyramid

Costs of medical care pile up as the population pyramid becomes increasingly mushroom-like.

随着人口结构金字塔日益变成蘑菇型，医护费用不断上升。

The number of people in each age group in the population pyramid [ chart to be shown] reveals something of the EU's history.

人口金字塔中各年龄段的人数揭示了欧盟的某些历史。

On Application of Urban Population Pyramid in urban Planning

城市人口金字塔在城市规划中的应用

A population pyramid is a graphical illustration of the age distribution of a population.

人口金字塔是反映地区人口和年龄性别比例的图像，形状像金字塔。

In25 years, China will have ALOT more old people than young people-an inverted population pyramid.

25年后，中国将会有比年轻人更多的老年人，这是倒过来的人口金字塔。