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 Demography 3 Life Expectancy 4 Slow Growth pyramid 5 Net Migration Rate (NMR) 6 Immigration Rate (IR) 7 Working Cohort 8 Death Rate (DR) 9 Dependency Load 10 Replacement Rate 11 Emigration Rate (ER) 12 Rapid Growth pyramid 13 Refugee 14 Stable/declining Growth pyramid 15 Birth Rate (BR) 16 Rate of Natural Increase (RNI) has many babies being born and few people living a long life 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 formula to determine how quickly a population doubles in size all ages are roughly equal; fewer babies are now being born; representative of Canada the # of people who permanently move to another country the difference between births (BR) and deaths (DR) that tells us if the population is growing without migration the # of people who permanently leave their home country with the intention of staying there 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) someone who flees their homeland for fear of their life but will return home when it is safe to do so the relationship between the # of births and the size of the population. 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 (“magic”) number of 2.1 children to keep the population stable the study of human population numbers, distribution, trends, and issues.
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