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The document, which is called "the World Population Prospects 2022," includes new projections of the world population growth through 2100.
这份名为《2022年世界人口展望》的报告文件，对2100年前世界人口的增长进行了新预测。
It says the growth rate is now at its slowest since 1950, having fallen under one percent in 2020.
报告指出，现在的世界人口增长率是自1950年以来的最低水平，在2020年，这一数字已下降至1%以下。
The United Nations says the world's population could peak at 10.4 billion during the 2080s.
联合国表示，世界人口将在21世纪80年代达到峰值，约104亿人。
But more than half of the projected increase until 2050 will be concentrated in eight countries.
但到2050年，预计超过一半的人口增长将集中在8个国家。
The UN report says fertility rates have evidently fallen in recent decades in many countries,
联合国报告称，近几十年来，许多国家的生育率明显下降，
and in some areas the life-time fertility rate is below 2.1 births per woman,
在一些地区，每名妇女的终生生育率低于2.1个孩子，
roughly the level required for zero growth in the long run for a population with low mortality.
而这大致是在长期低死亡率情况下实现人口零增长的生育水平。
The UN is also urging countries with aging populations to take measures to adapt public programs to the growing proportions of older persons
联合国还敦促人口老龄化的国家采取措施，使公共项目适应日益增长的老年人比例，
as the share of the global population at the age of 65 and above is expected to rise from 10 percent in 2022 to 16 percent in 2050.
预计全球65岁及以上年龄人口所占比例，将从2022年的10%上升至2050年的16%。
