study of populations
a periodic and official count of a country's population
number of individuals per unit area
Arithmetic Population Density
the population of a country or region expressed as an average per unit area
Physiologic Population Density
The number of people per unit area of arable land.
structure of a population in terms of age, sex and other properties, education
Age Sex Pyramid
Pyramid that shows age under male or female
Crude Birth Rate (CBR)
The number of live births per year per 1,000 people.
Crude Death Rate (CDR)
The number of deaths per year per 1,000 people.
The death of infants in their first year of life. per thousand people
Total Fertility Rate (TFR)
The number of children born to an average woman in a population during her entire reproductive life
Demographic Transition (cycle)
change in a population from high birth and death rates to low birth and death rates
The number of years needed to double a population, assuming a constant rate of natural increase
growth pattern in which the individuals in a population reproduce at a constant rate
Expansion that increases by the same amount during each time interval. which results in a straight line
Crude death rate subtracted from crude birthrate
the rapid growth of the world's human population during the past century
Stationary Population Level (SPL)
the level at which a national population ceases to grow
A compasss direction such as north or south.
directions commonly given by people, such as right or up
The distance that can be measured with a standard unit length, such as a mile or kilometer.
distance measured, not in linear terms such as miles or kilometers, but in terms such as cost and time.
a factor that causes people to leave their homelands and migrate to another region
opportunities for a better life that encourage you to move
Activity (action) Space
The space within which daily activity occurs.
movement that has a closed route repeated annually or seasonally
individuals or groups that move from place to place like herders or hunters.
Movements that are taken based on a seasonal basis.
a movement from one country or region to another
movement of individuals out of a population
The migration event in which individuals are forced to leave a country against their will.
permanent movement undertaken by choice
permanent movement within a particular country
migration across an international border
migration from one region to another
a migration in which an eventual long distance relocation is undertaken in stages as, for example, from farm to village to small town to city
governments send back migrants caught entering their countries illegally
the presence of a nearer opportunity that greatly diminishes the attractivness of sites farther away
The diminishing in importance and eventual disappearance of a phenomenon with increasing distance from its origin
a person who has to leave his or her country to find safety.
people who wait for resettlement
person or persons who have been permanently displaced from their home
refugees who have crossed 1 or more international boundaries during their dislocation
Refugees who have abandoned their town or village but not their country
laws and regulations of a state designed specifically to control immigration into that state
Eugenic Population Policy
government policy designed to favor one race over another
Expansive Population Policy
Government policy that encourages large families and raises the rate of population density.
Restrictive Population Policy
Government policy designed to reduce the rate of natural increase.
Negative Population Growth
when the death rate exceeds the birth rate