Matching Pairs Demographic Terms extendedOnline version here are the key words and their definitions that we will use in this population unit by Miss T Jack 1 Rule of 70 2 Emigration Rate (ER) 3 Birth Rate (BR) 4 Dependency Load 5 Stable/declining Growth pyramid 6 Death Rate (DR) 7 Demography 8 Refugee 9 Working Cohort 10 Immigration Rate (IR) 11 Slow Growth pyramid 12 Rapid Growth pyramid 13 Life Expectancy 14 Replacement Rate 15 Net Migration Rate (NMR) 16 Rate of Natural Increase (RNI) the relationship between the # of deaths and size of the population. very few babies are being born and more people who have lived long lives are dying of old age the # of people who permanently move to another country how long a person is predicted to live. the difference between births (BR) and deaths (DR) that tells us if the population is growing without migration the relationship between the # of births and the size of the population. the study of human population numbers, distribution, trends, and issues. someone who flees their homeland for fear of their life but will return home when it is safe to do so all ages are roughly equal; fewer babies are now being born; representative of Canada 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) has many babies being born and few people living a long life the formula to determine how quickly a population doubles in size 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
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