22-15 image pyramid age structure population models
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B. pyramid pyramid base width is pointed cone narrow
C. pyramid shaped bell upside down.
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. Pyramid lotus budsFrom the pyramid age structure population made to predict the trend of the population in the country, such as
. A.The pyramid base, wide, pointed to show the population increased rapidly. The structure of this population in Guatemala, Saudi Arabia and African countries, such as Nigeria and Kenya, etc.
a BThe pyramid is a cone mouth is narrow and shows the structure of the population increased slowly. Age structure of population found this in the United States, Australia, Canada and Thailand, etc.
. C.The pyramid shaped bell upside down to show the structure of population size constant. The age structure population that in Spain, Denmark, Australia and Italy, etc.
model.The pyramid flower Bang boom. Show the structure of population decline. The age structure population that in Germany. อังกา, Sweden, Bulgaria, Singapore, etc.!The structural characteristics of the population aging population can be reflected from the past to the present. And also can be used to predict the population size in the future, as well as shown in the picture 22-16.
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