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標題:
全世界目前20歲~30歲一共有多少的人口呢???
發問:
全世界目前20歲~30歲一共有多少的人口呢???男女比例是???佔全世界總人口數的多少百分比???
最佳解答:
According to United Nations State of World Population 2005, the only statistics available is divided into 3 groups: 0-14 years, 15-64 years and older than 65 years.?The number of "20歲~30歲" should fall in 15-64 years, you can estimate from here:?15-64?years and older:male:1,942,402,264(31.95%)female:1,898,479,062 (31.23%)ratio of male to female=1.023135995 圖片參考：http://www.geohive.com/img/graph2.gif Let me know if further questions.
其他解答:
全世界目前20歲~30歲一共有多少的人口呢???
發問:
全世界目前20歲~30歲一共有多少的人口呢???男女比例是???佔全世界總人口數的多少百分比???
最佳解答:
According to United Nations State of World Population 2005, the only statistics available is divided into 3 groups: 0-14 years, 15-64 years and older than 65 years.?The number of "20歲~30歲" should fall in 15-64 years, you can estimate from here:?15-64?years and older:male:1,942,402,264(31.95%)female:1,898,479,062 (31.23%)ratio of male to female=1.023135995 圖片參考：http://www.geohive.com/img/graph2.gif Let me know if further questions.
其他解答:
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