aging coefficient in different provinces of iran

aging coefficient (ac) or aged-child ratio or age composition; takes into account the numbers and areas at both ends of the age distribution simultaneously. ac is the total number of individuals aged 65 years and more, divided by the total number of individuals aged 14 years, multiplied by 100. herein, age composition in iranian popu1ations, according to different provinces, place of residence (urban and rural) and sex was investigated. general ac in iran was found to be 7.64 percent. the lowest a.c. was in kohkiloye-boyerahmad 3.83%), and the highest a.c. in semnan province (12.25%). on the whole, the acs of men (urban and rural) was more than that of the urbanites.