2005年2月1日—如今，全球人口结构呈现极其相似的趋势：出生率日趋下降，人们的寿命延长，同时大量人口由农村向城市迁移。

January 27, 2005—Globally, demographic trends are remarkably similar: birth rates are decreasing, life spans are longer, and populations are migrating from villages (rural) to cities.

youdao

出生率的骤降是中国1958年至1961年遭遇农村饥荒在统计学上的反应，饥荒减少了本来会成为他们父母的那代的规模（见右侧图表）。

This baby bust was a demographic echo of the rural famines that haunted China from 1958 to 1961, reducing the size of the cohort that would have been their parents (see right-hand chart).

youdao

出生率的骤降是中国1958年至1961年遭遇农村饥荒在统计学上的反应，饥荒减少了本来会成为他们父母的那代的规模（见右侧图表）。

This baby bust was a demographic echo of the rural famines that haunted China from 1958 to 1961, reducing the size of the cohort that would have been their parents (see right-hand chart).

youdao