世界各国的人口出生性别比及其启示

Birth Gender Ratio of Various Countries All around the World and Its Enlightenment

利用联合国《人口年鉴》出生统计专辑汇集的世界各国多年的人口出生数据,对全球不同类型国家近20年来人口出生性别比的统计特征和动态趋势进行描述和概括,以尝试着反映人类人口出生性别比的一般规律及特点,为更客观、准确地认识中国人口出生性别比失常提供背景与基础。

According to the data of Natality Statistics of Demographic Yearbook （2002） U.N., the author described and analyzed staffsfie characteristics and dynamic tendency of sex ratio at birth（SRB） for different types of countries in the world recent two decades, which is to reflect the general pattern of SRB and provide the background and base for further recognizing ubnormal phenomenon of SRB in China.