Ch.9 Key Terms Flashcards
Demography
the study of chracteristics of pupolations, especially human populations
Age structure
the classification of members of a population into groups according to age or the distribution of members of a population in terms of age groups
survivorship
the percentage of newborn individuals in a population that can be expected to survive to a given age.
fertility rate
the number of births per year per 1000 women of childbearing age usually 15 to 44
migration
in general, any movement of individuals or populations from one locations to another, specifically, a periodic group movement that is characteristic of a given population or species.
life expectancy
the average length of time that an individual is expected to live.
Demographic trasition
the general pattern of demographic change from high birth and death rates to low birth and death rates, as observed in the history of more developed countries.
infastructure
the basic facilities of a country or region, such as roads, and sewers.
arable land
land that can be used to grow crops
urbanization
an increase in the ratio or density of people living in urban areas rather than in rural areas.
least developed countries
countries that can be identified by the united nations as showing the fewest signs of development in terms of income, human resources, and economic diversification.