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 Refugee 2 Replacement Rate 3 Immigration Rate (IR) 4 Birth Rate (BR) 5 Death Rate (DR) 6 Dependency Load 7 Life Expectancy 8 Emigration Rate (ER) the # of people who permanently leave their home country with the intention of staying there how long a person is predicted to live. the percentage of a country’s population who are younger than 15 and older than 65 (i.e. financially rely on others) the # of people who permanently move to another country someone who flees their homeland for fear of their life but will return home when it is safe to do so the (“magic”) number of 2.1 children to keep the population stable the relationship between the # of births and the size of the population. the relationship between the # of deaths and size of the population.