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1995年,全球新生儿期望寿命仅为48岁,至2000年增长到66岁,如果继续保持之前的增长趋势,至2025年则会增长到73岁。寿命的增长源于生活条件整体的改善、医学的进步及采取的一系列人群干预措施。然而,新生儿期望寿命的增长存在不均衡性。在过去的十年中,低收入国家新生儿平均期望寿命从55岁提高至57岁(增长3.6%),而高收入国家则从78岁提高至80岁(增长2.6%)。
In 1995, the global life expectancy of newborns was only 48 years and increased to 66 years in 2000. If the previous growth trend continues, it will grow to 73 years by 2025. The increase in longevity stems from the overall improvement in living conditions, advances in medicine and a series of population interventions taken. However, there is an imbalance in the growth of newborn life expectancy. Over the past decade, the average life expectancy of newborns in low-income countries increased from 55 to 57 years (up 3.6%), while that in high-income countries increased from 78 to 80 years (up 2.6%).