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Chapter 2 Vocab

Demography The study of general population trends.
Population Density A measure of total population relative to land area
Arithmetic Population Density Number of people per unit area of land.
Population Distribution The description of the pattern in the spatial arrangement of people,
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 When people have more then two children
Crude Birth Rate Number of live births per 1000 people among a population in an area in a year.
Crude Death Rate Number of deaths per 1000 people among a population in an area in a year.
Contraceptive Prevalence Rate Percent of women who are currently using or have a sexual partner who is using a method of contraception.
Doubling Time Time required for a population to double in size
Total Fertility Rate The average number of children born to a women of child-bearing age
Old-age Dependency Ratio Number of people 65 years of age or older for every 100 people between the ages of 15-64
Child Dependency Ratio Number of people between the ages 0 and 14 for every 100 people between the ages of 15-64.
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 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 Probability per 1000 live births that a child will die before reaching age 1 year.
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 with coincide with longer life expectancies
Infectious diseases Diseases that are spread by bacteria, viruses, or parasites. Infectious diseases diffuse directly or indirectly from human to human.
Degenerative Diseases Diseases that come with old age
Genetic or Inherited Diseases Diseases caused by variation or mutation of a gene or group of genes in humans.
Malaria Vectored diseases 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 Polices 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: Shrika.K
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