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| The global population is projected to reach 8 billion on 15 November 2022 according to a UN study.根据联合国的一项研究，预计到2022年11月15日全球人口将达到80亿。 |
| The latest projections by the United Nations suggest that the world’s population could grow to around 8.5 billion in 2030 and 9.7 billion in 2050. It is projected to reach a peak of around 10.4 billion people during the 2080s and to remain at that level until 2100.根据联合国最新预测，全球人口数量可能在2030年增长到85亿左右，在2050年增长到97亿左右。预计到21世纪80年代，全球人口数量将达到峰值，约为104亿，并将一直保持到2100年。 |
| The report also states that fertility has significantly fallen in recent decades for many countries.报告还指出，近数十年来，许多国家的生育率大幅下降。 |
| Countries of sub-Saharan Africa are expected to contribute more than half of the increase anticipated through 2050.预计到2050年，撒哈拉以南非洲国家人口增长将占预计人口增长数的一半以上。 |
| The global life expectancy is also better than it used to be as it reached 72.8 years in 2019, an improvement of almost 9 years since 1990. This could go up to 77.2 years in 2050.全球平均寿命有所提高，2019年为72.8岁，比1990年提高了近9岁。到2050年，这一数字可能达到77.2岁。 |
| The effect of the pandemic has also contributed to a fall in global life expectancy at birth fell to 71.0 years in 2021.受新冠疫情影响，2021年全球出生人口的预期寿命降至71岁。 |
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