DED Words #2 Flashcards
Demography
The study of the statistics of humans in a population.
Ex. Births, Death, Income
Overpopulation
Having a dangerously dense population.
Census
An official count of a population.
Ecumene
Inhabited land
Arithmetic/Population Density
Total people divided by total land.
Physiology Density
Population of people per unit of agricultural land
Agricultural Density
The ratio of farmers to agricultural land.
Crude Birth Rate (CBR)
The annual number of live births per 1000 people living in society.
Crude Death Rate (CDR)
The annual number of deaths per 1000 people alive in society.
Natural Increase Rate (NIR, NRI, RNI)
The percentage of the growth of a population per year (Crude Birth Rate minus Crude Death Rate)
Doubling Time
The number of years needed to double a population.
Total Fertility Rate (TFR)
The average number of babies a woman will have.
Mortality
Death, especially on a large scale.
Population Pyramid
A bar graph comparing the distribution of people with age and sex.
Dependency Rate
People under the age of fifteen and over the age of sixty-five.
Sex Ratio
Number of males per 100 females in a population.
Demographic Transition Model
A change in population from high CBR and CDR, and low NIR to low CBR and CDR, and low NIR but a higher population.
Agricultural Revolution
Time people first domesticated plants and animals.
Industrial Revolution
Time of a series of improvements on technology.
Medical Revolution
Time of the distribution of European and American medical supplies to the poor.
Zero Population Growth
The Natural Increase rate as 0.
Epidemiological Transition
Distinct causes of death in each stage of the demographic transition.
Epidemic
Widespread occurrence of an infectious disease.
Epidemiology
An epidemic control act and distribution.
Pandemic
Disease in a wide geographic area that effects a lot of people.
One-Child Policy
A Chinese invented policy where the major could only have one child.
Infant Mortality Rate
The number of infant (under age 1) deaths for every 1000 people.
Life Expectancy
The number of years a person is expected to have based on their living conditions.
Population J-Curve (L-Curve)
āJā shaped curve on a graph recording rapid increase than a stop.
Population S-Curve
Population density slowly, then rapidly and then
decreases
Eugenics
Improving the human population by controlled breeding to increase desired genetic traits.
Carrying Capacity
The number of people that a land can support.
Baby Boom
Temporary marked increase of CBR in an area.
