Because of the special historical condition and political and military reason in the period of the World War Ⅱ, the male death rate between twenty and fifty of Russia is very high, the unbalance of people's sex ratio in this country was serious from then
Because of the special historical condition and political and military reason in the period of the World War Ⅱ, the male death rate between twenty and fifty of Russia is very high, the unbalance of people's sex ratio in this country was serious from then
摘要由于二战时期特殊的历史条件和政治军事原因，俄罗斯的青壮年男性死亡率很高，从此开了该国人口性别比严重失调的先河；时至今日，俄罗斯的经济发展缓慢，加之地理环境、生育观念和生活习惯等因素的影响，更使得人口性别比失调现象日益产重。