Demographic Research:一个人能活多久?21 世纪可能会打破纪录

2021-07-03 MedSci原创 MedSci原创

随着生活水平越来越高,人类的平均寿命也在越来越长。几十年来,活过 100 岁的人数一直在增加,全世界已达到近 50 万人。那么,按照人类目前的发展速度来看,未来人类是否可以成功突破寿命的极限?

随着生活水平越来越高,人类的平均寿命也在越来越长。几十年来,活过 100 岁的人数一直在增加,全世界已达到近 50 万人。那么,按照人类目前的发展速度来看,未来人类是否可以成功突破寿命的极限?

CCO

在人类历史上,最长寿命的的人是来自法国的Jeanne Calment,享年 122 岁。目前,世界上最长寿的人是118岁的日本人田中凯恩。近日,发表在Demographic Research杂志的一项新研究发现,人类的寿命可能会在本世纪末继续缓慢上升,会达到125 岁,甚至130岁。

在这项研究中,研究人员使用RootzénZholud2017)的超百岁老人(110岁以上的人)的指数生存模型,但扩展预测窗口,通过贝叶斯人口预测量化人口不确定性,并结合国际长寿数据库(IDL)的最新数据,通过贝叶斯统计进行寿命预测。

研究发现,超级百岁老人的指数生存模型与最新的 IDL 数据一致,122 岁的世界纪录几乎会被打破,而且很有可能至少有一个人活到 125 132 岁之间。

死亡年龄直方图

同时,研究人员发现,一个人活得更久的概率仍然很高,达到 124 岁的概率为99% 127 岁的概率为68%。然而,更长的寿命也是可能的,活到 130 岁的概率为13%,但若要活到135 岁几乎不可能。

研究人员表示,随着人口的增长和医疗保健的进步,达到极长寿的人仍属罕见,但当达到一定年龄后死亡率也会趋于平缓。换句话说,活到 110 岁的人再活一年的概率与活到 114 岁的人大致相同,约为50%

原始出处

Michael Pearce et al, Probabilistic forecasting of maximum human lifespan by 2100 using Bayesian population projections, Demographic Research (2021). DOI: 10.4054/DemRes.2021.44.52

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    2021-07-05 yangshch
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    2021-07-05 Boyinsh
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    2021-07-04 熙熙北北31

    人类寿命越来越长

    0

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    2021-07-03 Rhonda

    #学习#👍赞赞赞

    0

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    2021-07-03 1472c9b1m05暂无昵称

    学习了

    0

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