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World Geography- Ch.5, Sec.1 Quiz
Chapter 5, Section 1
12
Geography
9th Grade
10/06/2009

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Term
demography
Definition
the statistical study of human populations
Term
population density
Definition
average number of people living in an area (expressed as persons per square miles or kilometers)
Term
90%
Definition
What percent of the world's people live in the Northern Hemisphere?
Term
birthrate
Definition
number of people born each year (expressed as number of people born each year for every 1,000 people in a place)
Term
death rate
Definition
total number of deaths each year for every 1,000 people in a place
Term
migration
Definition
process of moving from one place to live in another
○ Emigrants- leave
○ Immigrants- come
Term
push factors
Definition
cause people to leave a location
Term
pull factors
Definition
attract people to a new location
Term
refugees
Definition
people who have been forced to leave and cannot return to their home
Term
natural increase
Definition
rate of natural population growth
Term
demographic transition
Definition
model that shows how birthrates and death rates dropped in many Western countries as they developed modern economies and industries.
Term
population projection
Definition
estimates of a future population’s size, age, growth rate, or other characteristics based on current data.
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