Ageing
The global population over the age of 80 is still only about 2% but that’s expected to grow quite rapidly given that average life expectancy was just 69 in 2010 and is projected to rise to 73 by 2030 and 76 by 2050.
To find out more about the challenges of an ageing population see the World Economic Forum’s Global Population Ageing: Peril of Promise?
https://agenda.weforum.org/2015/07/the- ... e-longest/

