育龄人口 women of child bearing age
劳动年龄人口 the working-age population
主要劳动年龄人口平均受教育年限 the average schooling of the majority of the working population
老龄人口规划 Oslash ; Design for Ageing Population
劳动适龄人口 [劳经] active labour force ; working-age population
工龄人口 working-age population
人口老龄化 aging population
相似年龄人口 relevant age group
学龄人口 school-age population
老龄人口 aging population
据此方法可得出1985年到1989年四年间平均按龄迁移量、平均按龄人口数及平均按龄迁移率。
The average quantities, average rate of age spcific migration and average age specific population in the four years from 1985 to 1989 can be estimated by using this method.
但是即使出生率继续下降，2020年到2035年这一年龄段人口数量也会再次增加34%。
But from2020 to 2035, the number will again swell by 34 percent, even if birth ratescontinue to decline.
他指出，近期美国的人口普查数据显示，主要大城市22到30岁的单身女性收入比同一年龄段的男性高出8%。
He points to recent U.S. Census data showing that single women aged 22 to 30 in major metropolitan areas now earn 8% more than their male peers.
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