The primary goal of this final paper “Differences in nutritional status between girls and boys from the Zadar County” is, as the title says, to determine differences in nutritional status between girls and boys from the Zadar County based on appropriate sample that is made of 15 preschool-aged girls and 15 preschool-aged boys from Kindergarten Bubamara in Benkovac. The secondary goal is to check if there are any significant differences between certain children’s anthropometric characteristics. But, for this process to be understood, it is important to know its theoretical starting point. Namely, anthropological characteristics include organised systems of all features, abilities and motoric information. Among other things, they include anthropometric characteristics which speak about the current morphological status of human. They are the result of heritage and adaptation on the influence of various factors among which is important to mention physical exercise. Morphological anthropometry is a method which includes measuring human body, processing and studying obtained measures. Furthermore, by measuring body height and body weight, which among other things belong to anthropometric characteristics, assessment of physical development of children is possible. Namely, in that process, among other things, body mass index is measured with the help of body height and body weight. Furthermore, with the help of certain graphical representation, nutritional status of a child can be determined. The results of this research indicate an alarming share of overweigh and obese children of as much as 33% of both sexes. Just as in many other scientific research, this type of data points to the fact that the obesity of children is a serious public health problem nowadays. Not just in Croatia, but all over the world. In order to reduce the negative effects of this nutritional status as much as possible, community intervention has a great importance in it, especially educational institutions in a way of increasing physical exercise that is a change in a sedentary lifestyle.