demography
the branch of sociology that studies the characteristics of human populations
ecumene
(5%) part of Earth occupied by permanent settlements
arithmetic density
total people/total land per square miles
physiological density
total people/unit of arable land
agricultural density
replacement rate
pro-natalist
government in support of more babies
anti-natalist
government against more babies
dependency ratio
elderly support ratio
people 65+ / # of working age people
sex ratio
rule of 70
shows a country's doubling time by having 70/the growth rate
crude birth rate
crude death rate
natural increase rate
the population change, considers both CBR and CDR
infant mortality rate
stage 1 of DTM
low growth, high CBR, high CDR, most of human history
stage 2 of DTM
rapid growth, high CBR, decreasing CDR, entered during industrial or medical revolution
stage 3 of DTM
moderate growth, decreasing CBR, decreased CDR, smaller gap between the two
stage 4 of DTM
low/no growth, CBR and CDR are barely different, most MDCs
stage 5 of DTM
no/negative growth, low CBR and CDR
ethnocentrism
concept of all countries developing in due time
interdependence
the impact other countries have on another's population (ex: war)
stage 1 of ETM
pestilence & famine
stage 2 of ETM
receding pandemics
stage 3 of ETM
degenerative diseases
stage 4 of ETM
lifestyle diseases & degenerative diseases but later in life
stage 5 of ETM
reemergence of previous diseases
malthusian theory
old idea that the population is growing exponentially while the amount of food is growing in a linear pattern that won't be enough for future generations
neo-malthusians
people agreeing that future generations won't have necessary resources, although technology and development changed the original theory slightly
intervening obstacle
a political or environmental factor hindering migration (currently political)
internationally displaced person
someone forced to leave (like a refugee) but doesn’t cross any national borders
asylum seeker
migrant hoping to be recognized as a refugee
remittance
transferring money made in one country to people in another
unauthorized immigrants
people who enter the U.S. without getting necessary documents + documentation
quotas
establish the max number of immigrants who can enter a country per year
guest programs
programs for immigrants to work in protected jobs before being expected to return to their original homes