Relier Pairs Demographic TermsVersion en ligne here are some key words and their definitions that are connected with studying population par Miss T Jack 1 Dependency Load 2 Life Expectancy 3 Replacement Rate 4 Emigration Rate (ER) 5 Birth Rate (BR) 6 Refugee 7 Death Rate (DR) 8 Immigration Rate (IR) someone who flees their homeland for fear of their life but will return home when it is safe to do so the # of people who permanently leave their home country with the intention of staying there the relationship between the # of deaths and size of the population. the relationship between the # of births and the size of the population. how long a person is predicted to live. the # of people who permanently move to another country the percentage of a country’s population who are younger than 15 and older than 65 (i.e. financially rely on others) the (“magic”) number of 2.1 children to keep the population stable