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Chapter 2
| Term | Definition |
|---|---|
| Demographic | The breakdown of a population into groups of categories |
| Population Density | The number of people per unit number of land |
| Arithmetic Population Density | The calculation to find the number of people per unit of land (divide population by area of land) |
| Dot Maps | A thematic map where a symbol (dot) represents a certain number of cases |
| Megalopolis | An urban agglomeration that stretches from Washington, DC in the south to Boston, Massachusetts in the north |
| Natural Increase Rate | Shows how a country’s population is changing without migration |
| Crude Birth Rate (CBR) | Number of live births per 1000 people in a population in an area in a year |
| Crude Death Rate (CDR) | Number of deaths per 1000 people in a population in an area in a year |
| Contraceptive Prevalence Rate | Percentage of woman who are currently using or have a sexual partner as a method of conception |
| Doubling Time | Time required for a population to double in size |
| Total Fertility Rate (TFR) | The average number of children born to a woman of child-bearing age |
| Old-age Dependency Ratio | Number of people 65 years or older for every 100 people between the ages of 15-64 (working age population) |
| Child Dependency Ratio | Number of people between the ages of 0-14 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 reaching age 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 a high mortality among infants |
| Infectious Diseases | Diseases that are spread by bacteria, viruses, or parasites. Infectious diseases diffuse directly or indirectly from human to human |
| Degenerative Disease | (Generally) Long-lasting afflictions, now more common because of longer life expectancies |
| 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 mosquitoes |
| Expansive Population Policies | Government policies designed to encourage large families and raise the rate of population growth |
| Eugenic Population Policies | Govenment 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 (also called antinatalist) |
| Population Distribution | Description of spatial distribution of people, including where large numbers of people live closely together and where few people live |
Created by:
RomyConn
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