The Demopædia Encyclopedia on Population is under heavy modernization and maintenance. Outputs could look bizarre, sorry for the temporary inconvenience
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来自Demopædia
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The Demopædia Encyclopedia on Population is under heavy modernization and maintenance. Outputs could look bizarre, sorry for the temporary inconvenience
从数据库删除标签
United nations
Departement of Economic and Social Affairs
Population Division
International Union
for the Scientific Study
of Population