Relacionar Columnas Introduction to PopulationVersión en línea An introduction to the study of population. por Patricia Gawlik 1 Demography 2 Immigration 3 Median 4 Emigration 5 Birth rate 6 Ethnic origin 7 Death rate 8 Census A survey of population figures taken by a country's national government, normally every five or ten years. A number that shows how many babies are born in a particular place or during a particular time The study of changes that occur over a period of time in human populations. The racial of cultural background a person comes from. A number that shows how many people died in a particular place or during a particular time. To leave your country of origin to live permanently in another country. To move to a country other than ones' native country. The number, in a series of numbers, that is larger than half the other numbers and smaller than the other half.