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# Geography Unit 4

TermDefinition
Birth Rate number of births per 1000 people in a population
Death rate number of deaths per 100 people in a population
Natural increase rate difference between the birth rate and death rate of a country.
Immigration rate number of people per 1000 population who immigrate
Emigration rate number of people per 1000 population who emigrate
Net Migration rate difference between people immigrating to a country and people emigrating from the same country.
Population Growth Rate measurement that combines both natural increase and net migration to calculate the overall growth of a country's population.
Rule Of 70 process whereby you divide 70 by the population growth rate to estimate how many years it will take for the country's population to double.
Doubling Time how long it would take for the country's population to double at the country's current rate of population growth.
Dependency Load proportion of the population that is not in the workplace. Total number of people 14 and under + 65 and over.
Population pyramid graph that depicts population distribution by age and sex.
Created by: Patrick O'Hanley

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