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WHO’s response to population ageing is to optimize healthy ageing over the life course. On 26 May 2016, WHO’s 194 Member States adopted the WHO Multisectoral action for a life course approach to healthy ageing: global strategy and plan of action on ageing and health.
WHO defines healthy ageing as the process of developing and maintaining the functional ability that enables well-being in older age. Functional ability is determined by the intrinsic capacity of an individual, the environments in which he or she lives and the interactions among them. This page displays healthy ageing estimates disaggregated by age and sex.