Vital statistics have helped identify major trends in fertility, child survival and child mortality.
关键统计数据可以帮助我们发现生育率、儿童存活率和死亡率方面的主要趋势。
With no net immigration, and fertility rates more or less where they've been for the past 35 years, the Bureau of Statistics estimates that our population in 2050 would be roughly the same as now.
刨去移民因素，如果生育率和过去35年持平的话，统计局估计到2050年时候，我们的人口将和现在差不多。
China population Association statistics from 2012 showed40 million people with fertility issues, accounting for around 12.5 percent of the population at child-bearing age.
中国人口学会2012年以来的数据显示，有4000万人患有不孕不育，占育龄人口的12.5%。
应用推荐