Population Pt.1
The average number of years a person might expect to live
life expectancy
the number of deaths per one thousand people in the population
crude death rate (CDR)
a person who flees their home country and is not able to return
refugee
people choosing to migrate (not being forced)
voluntary migration
a force that motivates people to leave an area
push factor
average number of babies born in comparison to number of women of childbearing age
total fertility rate (TFR)
the maximum population size of the species that the environment can sustain
carrying capacity
a person seeking residence in a country outside of their own because they fleeing persecution
asylum seeker
a legal immigrant who is allowed into the country to work, usually for a relatively short time period
guest worker
money sent back by immigrants to their home country
remittances
the number of children who don't survive their first year of life per 1000 live births in a country
infant morality rate
the time it takes for a population to double in size assuming the growth rate remains stable
doubling time
a difficulty that prevents people from completing a planned migration
intervening obstacle
a favorable circumstance that causes people to stop a planned migration to take advantage of the prospect
intervening opportunity
the total amount of time given to you on the AP test for the FRQs
75 minutes (for 3 FRQs)
the ratio of the number of people not in the workforce (dependents) and those who are in the workforce (producers)
gives insight into how many people a society has to support
dependency ratio
the number of farmers per unit of arable land
agricultural population density
migration to a far away place that takes place in stages
step-migration
a person forced to flee their home who remains in their home country
internally displaced persons
theory that the supply of food cannot keep up with the growth of the human population
Malthusian Theory
the number of people per unit of arable land
physiological population density
percent by which a population grows in a year (doesn't take into account migration)
birth rate - death rate
or Natural Increase Rate (NIR)
moving herds of animals to the highlands in the summer and into the lowlands in the winter
transhumance
the process where immigrants from a particular area follow those who have previously migrated to the same destination
chain migration
when a country provides incentives for people to have fewer children (sometimes including punishments)