到2050年,美国预期寿命略有上升,但由于肥胖、吸毒死亡,排名下降。 U.S. life expectancy to rise slightly by 2050 but ranks drop due to obesity, drug deaths.

美国的预期寿命预计只是略微提高,从2022年的78.3岁提高到2050年的80.4岁,使美国达到全球第66位,从2022年的第49位降至2022年的第49位。 The United States' life expectancy is projected to rise only slightly, from 78.3 years in 2022 to 80.4 years by 2050, putting the country at 66th globally, down from 49th in 2022. 造成这一滞后的原因是肥胖率和与毒品有关的死亡人数上升,预计将影响2.6亿以上人口,分别增加34%。 This lag is attributed to rising obesity rates and drug-related deaths, which are expected to affect over 260 million people and increase by 34%, respectively. 解决这些问题有可能到2050年每年挽救550 000人的生命,从而改善预期寿命。 Addressing these issues could potentially save 550,000 lives annually by 2050, improving life expectancy.