23-year analysis of dependency ratio in rural population in Fars province during 1990 - 2012: a trend analysis study

ABSTRACT

Background: The dependency ratio [DR] is defined as the ratio of the non-working population to the economically active population. Dependency ratio is calculated by the sum of population under fifteen years and over 65 years divided by 15-64 year old population. The interpretation of DR variation gives us the impact of health care services and some reproductive interventions. This study analyzed a 23-year DR trend in rural population of Fars province and the effect of some fertility variables on it