Age structure and gender structure

Japanese: 年齢構造・男女別構造 - ねんれいこうぞうだんじょべつこうぞう
Age structure and gender structure
The sex composition (structure) and age composition (structure) of a population are called basic demographic structures. This is because they are the most basic of population structures in the sense that they are the product of historical changes in births, deaths, and population movements from the past to the present, and are the basic conditions for future population changes. The sex composition (structure) and age composition (structure) of a population are called basic demographic structures.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
人口の男女別構造sex composition(structure)と年齢構造age composition(structure)は,人口学的基本構造と呼ばれる。それは,両者が過去から現在にかけての出生,死亡,人口移動の歴史的変化の所産であって,かつ将来の人口変動の基本的条件となるという意味において,人口構造の最も基本的なものであるからである。 男女別構造を決定するものは,出生性比と死亡性比である。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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