With advances in medicine helping more people to live longer lives, the number of people over the age of 60 is expected to double by 2050 and will require radical societal change, according to a new report released by the WHO for the International Day of Older Persons (1 October).

Source: WHO | WHO: Number of people over 60 years set to double by 2050; major societal changes required

See also:

WHO Fact sheet on Ageing and Health

WHO World Report on Ageing and Health (full report) (executive summary)