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How quickly is the world population aging? 


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The world population is aging rapidly. By 2050, the number of people aged 65 or older is expected to nearly triple to 1.5 billion, representing about 16% of the world's population . The median age of the world's population is projected to rise from 29 years in 2010 to 36 years in 2040 . In 2000, there were 600 million people aged 60 and over, and by 2050, this number is projected to reach 2 billion . The proportion of adults and old people is increasing while the proportion of young people is declining . The number of people aged 60 years and above is growing considerably faster than the population as a whole . This trend of population aging is pervasive, profound, and enduring .

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The paper states that population ageing is affecting the entire planet, but it does not provide a specific timeframe for how quickly the world population is ageing.
Book ChapterDOI
S. Wan, M. J. Underwood 
01 Jan 2007
1 Citations
The paper states that the world population is aging rapidly. In 2000, there were 600 million people aged 60 and over, and it is projected to reach 1.2 billion by 2025 and 2 billion by 2050.
Open accessJournal ArticleDOI
21 May 2018
2 Citations
The world population is rapidly aging, with the number of people aged 65 or older expected to nearly triple by 2050.
The world population is aging rapidly, with the median age projected to rise from 29 years in 2010 to 36 years in 2040.

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