the suggested approach by type of city is almost applicable to all types of cities however some key messages that each type of city should keep in mind as relatively high importance compared to other types are as follow type iii cities young cities ageing slowly need to bear in mind that such strategies will build the community s understanding of the needs of older people in the long run as well as of the demands of ageing societies that it will have to confront those strategies can provide instructive opportunities for learning to adjust to such changes for type ii cities young cities ageing rapidly whose generational balance is changing such str ategies will become a key to a successful navigation to demographic change