24 terms

Ch. 2 Population

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population density
number of individuals per unit area
arithmetic population
The population of a country or region expressed as an average per unit area. The figure is derived by dividing the population of the areal unit by the number of square kilometers or miles that make up the unit.
physiological population density
the number of people per unit of area of arable land
population distribution
how population is spread out in an area
dot map
maps where one dot represents a certain number of a phenomenon such as population
megalopolis
a very large urban complex (usually involving several cities and towns)
census
a period count of the population
doubling time
the time required for a population to double in size
population explosion
the rapid growth of teh world's human population during the past century
natural increase
Crude death rate subtracted from crude birthrate
crude birth rate
the number of live births yearly per thousand people in a population
crude death rate
The number of deaths per year per 1,000 people.
demographic transition
change in a population from high birth and death rates to low birth and death rates
stationary population level
the level at which a national population ceases to grow
population composition
structure of a population in terms of age, sex and other properties, education
population pyramids
visual representation of the age and sex composition of a population graph
infant mortatlity rate
annual # of deaths of infants under age 1 per 1000 live births
child mortality rate
the number of children that die within their first to fifth years in a population
life expectancy
an expected time to live as calculated on the basis of statistical probabilities
AIDS
a serious (often fatal) disease of the immune system transmitted through blood products especially by sexual contact or contaminated needles
chronic diseases
Generally long-lasting afflictions now more common because of higher life expectancies.
expansive population policies
government policies that encourage large families and raise the rate of population growth
eugenic population policies
government policies designed to favor one racial sector over others
restrictive population policies
reduce the rate of natural increase through forms of restrictive population policies