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