Relier Pairs Demographic Terms extendedVersion en ligne here are the key words and their definitions that we will use in this population unit par Miss T Jack 1 Immigration Rate (IR) 2 Dependency Load 3 Emigration Rate (ER) 4 Net Migration Rate (NMR) 5 Demography 6 Death Rate (DR) 7 Stable/declining Growth pyramid 8 Refugee 9 Rate of Natural Increase (RNI) 10 Life Expectancy 11 Rapid Growth pyramid 12 Slow Growth pyramid 13 Birth Rate (BR) 14 Rule of 70 15 Replacement Rate 16 Working Cohort the formula to determine how quickly a population doubles in size how long a person is predicted to live. the study of human population numbers, distribution, trends, and issues. the # of people who permanently move to another country the # of people who permanently leave their home country with the intention of staying there all ages are roughly equal; fewer babies are now being born; representative of Canada someone who flees their homeland for fear of their life but will return home when it is safe to do so the difference between births (BR) and deaths (DR) that tells us if the population is growing without migration the ages of 15-64 in a population pyramid that are not considered part of the dependency load the difference between people coming (IR) and people leaving (ER) the (“magic”) number of 2.1 children to keep the population stable very few babies are being born and more people who have lived long lives are dying of old age the relationship between the # of births and the size of the population. has many babies being born and few people living a long life the relationship between the # of deaths and size of the population. the percentage of a country’s population who are younger than 15 and older than 65 (i.e. financially rely on others)
