Key facts
Between 2015 and 2050, the proportion of the world’s population over 60 years will nearly double from 12% to 22%.
By 2020, the number of people aged 60 years and older will outnumber children younger than 5 years.
In 2050, 80% of older people will be living in low- and middle-income countries.
The pace of population ageing is muc...
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