Relier Pairs PopulationVersion en ligne Definitions of population par lucia sainz diez 1 Fertility rate 2 Life expectancy 3 Death rate 4 Immigration 5 Birth rate 6 Demography 7 Emigration 8 Migration Is another factor that causes population change. Is the study of human population Is when the people leave their country to live in another country Is the number who die for every 1000 people . Give us the average number of children per woman Refers to the number of years a person is expected to live Is the number of babies born in a year for every 1000 people Is when the people come to live in a new country