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 Immigration Rate (IR) 3 Birth Rate (BR) 4 Refugee 5 Replacement Rate 6 Life Expectancy 7 Death Rate (DR) 8 Emigration Rate (ER) the relationship between the # of births and the size of the population. the (“magic”) number of 2.1 children to keep the population stable 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 percentage of a country’s population who are younger than 15 and older than 65 (i.e. financially rely on others) how long a person is predicted to live. the relationship between the # of deaths and size of the population. the # of people who permanently move to another country