World population ageing 2007.

World population ageing 2007.

書目詳細資料
企業作者: United Nations. Department of Economic and Social Affairs. Population Division
格式: 圖書
語言:English
出版: New York United Nations, Department of Economic and Social Affairs, Population Division 2007.
主題:
Age distribution (Demography) > Statistics.
Older people > Statistics.
Population > Statistics.