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Chapter 2:Population

Vocabulary definitions

TermDefinition
Demography The scientific study of population characteristics
Demographic Transition The process of change in a society's population from a condition of high crude birth and death rates and low rate of natural increase, and a higher total population
Ecumene The portion of Earth's surface occupied by permanent human settlement
Epidemiology The branch of medical science concerned with the incidence, distribution, and control of diseases that are prevalent among a population at a special time and are produced by some special causes not generally present in the affected locality
Epidemic Transition Distinctive causes of death in each stage of the demographic transition
Pandemic Disease that occurs over a wide geographic area and affects a very high portion of the population
CBR (Crude Birth Rate) The total number of live births in a year for every 1,000 people alive in society
CDR (Crude Death Rates) The total number of deaths in a year for every 1,000 people alive in society
Dependency Ratio The number of people under the age of 15 and over age 64 compared to the number of people active in the labor force
Doubling Time The number of years needed to double a population, assuming a constant rate of natural increase
IMR (Infant Mortality Rate) The total number of death in a year among infants
TFR (Total Fertility Rate) The average number of children a woman will have throughout her childbearing years
ZPG (Zero Population Growth) A decline of the total fertility rate to the point where the natural increase rate equals zero
RNI (NRI) Rate of Natural Increase The percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate
Created by: JasPan
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