Agricultural density
total number of farmers :
total amount of land suitable for farming
Agricultural revolution
The time when human beings first domesticated plants and animals.
A complete enumeration of population
Crude birth rates
The total number of births in a year every 1000 people alive in society
Crude death rate
the total number of deaths in a year for every 1000 people dead in the society
Demographic transition
the stages countries go through do to CBR ,CDR ,and high/low birth rates
The scientific study of population characteristics
Disease that occurs over a wide geographic area and affect a very high portion of the population.
Dependancy ratio
the number of people udner the age of 16 and over the age of 64 compared to the number of people active in labor force
Doubling time
The number of years it takes to double a population
the potions of earth’s surface occupied by human surface.
Epidemeologic transition
distictive causes of death in each stage of demographic transition
Industrial revolution
a series of industrial technology improvement
Infant Mortality Rate
The total amout of death of infants in a year under 1 years old.
life Expectancy
the average number of years an individual is expected to live
medical revolution
Medical technology invented in europe and created in north america that is diffused to poorer countries
Natural increase rate
the percentage of population growth in a year
the number of people in an area exceeds the capacity of the enviorment to support a life at a decent standard of learning
population pyramid
a bar graph representing the distrabution of population by age and sex
sex ratio
the number of males per 100 females in the population
activity space
an area in which an individual moves about as he or she does daily
a disease that spread to many countries before the end of the century
Arable land
land able to be used for farming
Arithmetic Growth
total number of people divided by the total land area
Awareness space
may be limited as weel so that their own will so that their knowledge of oppurtunity will be limited
Carrying capacity
the number of people an area can sustain
critical distance
the distance beyond cost, effort, and means to strongly influence willingness to travel
Demographic equation
this is the tendency for growing population to continue growing after a fertility decline because of their young age distribution
the amount of people in a given area
people forced from their home due to ethnic strife, war, or natural disasters
Distance decay
when people lose their culture due to migration
Dot Maps
Population Maps may be drawn at different scales usually in the form of dot maps, with each dot representing a certain amount of people
migration from a native country
fatal epidemic disease
state of belonging to a social group that has a common national or cultural tradition
exponential growth
illustrated by the series of numbers 4,8,16,32,because once children are born, they grow up to have children of their own
female infanticide
killing of baby girls
Forced Migration
when people are forced to migrate due to opurtunities
Geometric rate
population increases exponentially
more people immigrate to them than migrate from them
When people migrate illegally
Internal Migration
migration within the borders of that country
interviening oppurtunity
good oppurtunities found along the way
Thomas Malthus
became the first critic to note that the world’s population was increasing faster than the food supplies beeded to sustain it
Migration Selectivity
tendency for certain types of people to move
movement from one country to another
people you think oposite of thomas
one child policy
1 child per couple
Out migration
means that more people emigrate from them than immigrate to them
Population Concentrations
Two-thirds of the world is concentrated in four regions: East Asia, South Asia, Southeast Asia, & Western Europe
population explosions
the trend toward rapid population increase in place since 1750
Population Geography
focuses on number, composition, and distribution of human beings on earth’s surface
Pull factors
things that make people to go
Push factor
forced to move because of enviormental or other issues
1885 British demographer that wrote 11 migration laws, which he based on his study of internal migration in England
a person who has been forced to leave their country in order to escape war, persecution, or natural disaster
Restrictive Population Policies
polices range from toleration of officially banned means of birth control to the actual prohibition of large families
Space time Prism
limits set for activities
Spatial Interaction
the broad geographical term for the movement of peoples, ideas and commodities within and between arras, whether it is circulation or migration
Stationary Population Level
countries will stop growing at some time during the 21 century
Step Migration
long-distance migration done in stages
to keep in existance
voluntary migration
movement by humans from one place to another, sometimes over long distances or in large groups
zero population grownth
population is maintained at a constant level by a balance between the number of births and deaths

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