The number of persons per square kilometer of land is called
Answer Details
Population density is the number of individuals in a particular area, usually expressed as the number of persons per square kilometer of land. It is a measure of the concentration of people living in a given area and helps to provide insight into how crowded or sparsely populated a region is. A high population density suggests that there are many people living in a relatively small area, while a low population density indicates that the area has fewer people living in it.