The Demopædia Encyclopedia on Population is under heavy modernization and maintenance. Outputs could look bizarre, sorry for the temporary inconvenience
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The Demopædia Encyclopedia on Population is under heavy modernization and maintenance. Outputs could look bizarre, sorry for the temporary inconvenience
查看本頁面被刪除的歷史
United nations
Departement of Economic and Social Affairs
Population Division
International Union
for the Scientific Study
of Population