Search for: [Abstract = "The paper presents a study of changes in the overall population of Poland and in the number and proportion of the 60\+ age group. Popular census data spanning the period 1960\-2011 was analysed at the level of commune\-equivalent units \(LAU 2\). The study identified 9 types of communes based on two criteria\: absolute population change and the proportion of the 60\+ age group."]