In this cross-sectional study, In order to calculate the health status of older people, we used the formula of study sample estimate in descriptive studies (Naing, Winn, & Rusli, 2006). 1350 Iranian elderly people who were 60 years of age or older were selected in proportion to the age and gender of the country. Participants were selected from the population of 5 out of 31 provinces. These 5 provinces were represents of the country in terms of geography, climate, ethnicity and culture. Using multistage sampling, the selected provinces were then divided into 66 cities based on geographical-official divisions. Considering the proportion of the elderly population in each province, random cluster sampling was carried out in 109 health centers. Family medical records, which contained demographic profile and the health status of the household as well as information about their culture, were used to randomly select the samples with no substitutions. Data was collected by general practitioners in health centers in the presence of the elderly individuals. In case where the elderly presence in health centers was not possible, outpatient physician visit became available.