Relacionar Columnas Measuring populationsVersión en línea Now you have to relate the terms with its definition. por Laura Jiménez Ruiz 1 Emigrant 2 Absolute population 3 Actual increase 4 Immigrant 5 Population density 6 Natural increase The difference between the number of births and the number of deaths. A person who moves away from an area. The total number of people living in an area. A person who moves into an area. The average number of people who live in each square kilometre of land. Includes the natural increase, the immigrants arriving and emigrants leaving.