Population Density: Population density refers to the number of people living within a specific area. It is calculated by dividing the total population of an area by its land area.
Migration: Migration describes the movement of individuals from one place to another over long distances and typically involves permanent or semi-permanent relocation. It can be influenced by various factors such as economic opportunities or environmental conditions.
Demographics: Demographics are statistical characteristics that describe human populations. They include factors such as age distribution, gender ratio, ethnic composition, educational levels, and income levels.