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Sagot :
By about 2050, the elderly populations in low income countries are expected to boom.
Increases in life expectancy are seen across all regions of the globe. It is now common for people to live into their sixties and beyond. The global population as a whole is growing older, and the fraction of the population that is elderly is increasing in every country.
By the year 2030, one in every six persons on Earth will be 60 or older. The proportion of people aged 60 and up will grow from 1 billion in 2020 to 1.4 billion in 2050. A doubling of the world's population aged 60 and up by 2050 is projected (2.1 billion). By 2050, the global population of people aged 80 and more is projected to increase to 426 million, having tripled between 2020 and then.
Although the phenomenon of population ageing was first observed in high-income nations (for instance, in Japan 30% of the population is already over 60 years old), it is now mostly affecting low- and middle-income countries. Nearly two-thirds of the world's elderly will reside in low- and middle-income nations by 2050.
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