Population Migration vocab Flashcards
(37 cards)
arithmetic density
number of people per unit of land
physiological density
the number of people per unit of arable land
crude birth rate
of live births per 1000 people (annually)
crude death rate
total number of deaths per 1000 people anually
total fertillity rate
the amount of children a woman is able to have in the span of her fertile life
life expectancy
average amount of time a person is expected to live
replacement level
of births needed to keep a population level with the number of deaths
sex ratio
proportion of males to females
rate of natural increase
percentage of growth in a population not including migration
demographic transition model
a model the describes the transitions from high birth or death rates to low birth or death rates (or vice versa)
epidemiological transition model
describes transitions from infectious diseases to chronic diseases as lifestyles change
age dependency ratio
the number of people over 15 and under 65 as a proportion to working age population
asylum
protection of persecution granted by a country to a refugee from another country
authorized immigrants
legal permanent residents (green card holders)
brain drain
the migration of skilled professionals from one country to another because of better opportunities such as salary or better life
carrying capacity
the amount of people that can live in a certain place given their source of water, land, food, etc.
census
an official count or survey of a population
demography
the study of statistics (birth, death, income, disease) that illustrate the population
ecumene
the term used to refer to the inhabited part of the universe
emigration
the departure of people from a location
food insecurity
the state of being without access to a reliable source of nutritious food
forced migration
when a group or person forces another group or person out of a place and relocates them unwillingly
human trafficking
the act of forcibly moving or taking someone under exploitive conditions
immigration
the arrival of people to a country