AMSCO Vocab Chapter 2 Flashcards
population distribution
The pattern of human settlement; the spread of humans across the earth
population density
Measures how populated an area is
midlatitudes
The regions between 30° N and 60° N, and between 30° S and 60° S
social stratification
Hierarchical division of people into groups based on economic status, ethnicity, religion, power
arithmetic population density
Calculated by dividing a regions total population by its total area
physiological population density
Calculated by dividing population by the amount of arable land
arable
Land suitable for growing crops
carrying capacity
The population something can support without significant environmental deterioration
agricultural population density
Compares the number of farmers to the area of arable land
redistricting
The process of redrawing boundaries based on data to reflect changing population geography
overpopulation
Having more people than can be supported
age-sex composition graph
More commonly known as a population pyramid
population pyramid
Tool based on gender and age; can tell us birth rates, death rates, how long people live on average, and economic development
cohort
The vertical axis on a population pyramid that shows age groups
birth deficit
The slowdown of births
baby boom
When the birth rates spike suddenly
baby bust
After a baby boom ends, when the births are lower for a number of years
echo
When an increase reflects an earlier baby boom
dependency ratio
A value comparing the working to the non-working parts of the population
potential workforce
The group expected to be the society’s labor force (15-64 yrs.)
dependent population
Everyone under 15 yrs. old or older than 64 yrs. old are considered to young/old to work full-time
