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Chapter 2 Vocab


Demography The study of general population trends.
Population Density The number of people per the area of land.
Arithmetic Population Density The calculation of the number of people per area unit of land
Population Distribution The description of spatial distribution of people, including where large numbers of people live closely together and where few people live.
Dot Maps Thematic map where individual symbols represent a certain number of cases of a phenomenon.
Megalopolis An urban agglomeration that stretches from Washington, DC in the south to Boston, Massachusetts in the north.
Natural Increase Rate The difference between the crude birth rate and the crude death rate.
Crude Birth rate (CBR) Number of live births per 1000 people in a population area in the span of 1 year.
Crude Death Rate (CDR) Number of deaths per 1000 people in a population area in the span of 1 year.
Contraceptive Prevalence Rate Percent of women who are currently using or have a sexual partner who is using a method of protection.
Doubling Time Time required for a population to double in size.
Total Fertility Rate (TFR) The average number of children born to a woman at the age to be able to bear a child.
Old-age Dependency Ratio Number of people 65 years of age or older for every 100 people between the ages of 15-64 (working age population)
Population Composition Structure of a population in terms of age, sex, and other properties such as marital status and education.
Population Pyramids A graphic representation of the age and sex composition of a population.
Demographic Transition Observation that a country's birth rate and death rate change in predictable ways over stages of economic development.
Zero Population Growth A state in which a population is maintained at a constant level because the number of deaths is exactly offset by the number of births.
Infant Mortality Rate (IMR) Probability per 1000 live births. that a child will die before the age of 1
Life Expectancy The average number of years a person is expected to live
Epidemiological Transition Change in the pattern of mortality in a society from high mortality among infants and periods of widespread famine to high mortality from degenerative diseases which coincide with longer life expectancies.
Infectious Diseases Diseases that are spread by bacteria, viruses, or parasites.
Degenerative Diseases Long lasting afflictions
Genetic or Inherited Diseases Diseases caused by variation or mutation of a gene or group of genes in humans.
Malaria Vectored disease spread by a certain type of mosquitos.
Expansive Population Policies Government policies designed to encourage large families and raise the rate of population growth,
Eugenic Population Policies Government policies designed to limit population growth among a certain group of people
Restrictive Population Policies Government policies designed to reduce the rate of natural population increase.
Created by: Pl251951
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