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MIGRATION - Coggle Diagram
MIGRATION
Many countries, including the United States, have no
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This is the sum total of all in-migrations and out-migrations experienced by a population during a given interval of time. This total number of migrants is also referred
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. Internal migration. These are movements between subpopulations within a
larger population, such as between states within the United States.
Migration is strictly involuntary, or “forced,” if the decision to
migrate is made by others, contrary to the will of the migrants; or if it is the result of
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One of the most important ways of grouping these reasons is into the categories
voluntary and involuntary migration (although most actual cases probably represent a mixture of the two extremes).
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. Internal migration. These are movements between subpopulations within a
larger population, such as between states within the United States.
Immigration. This refers to movements from one general population to
another, such as from one country to another.
In such cases, the frst destination becomes “home” only
for a brief period, after which a new, second destination is reached, and so forth—
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Net Migration is the difference between the number of in-migrants and the number
of out-migrants experienced by a population during a given interval of t
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Among all of these various movements, demographers are especially interested
in certain types referred to as in-migration and out-migration.
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relocation of a person’s residence from an area occupied by one population or subpopulation (called the “sender” population or “population of origin”) to the area
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From the purely demographic point of view, migration (in- and out- combined) is a component of change that, together with natural
increase, determines the magnitude and rate of population growth.
. Migration may be temporary, long term, or
permanent
Nevertheless, among the four components of population growth, in- and outmigration are the least precisely observed and recorded.
The
lowest level is a move, and it refers to a change of residence within a specifc, regionally defned subpopulation.
emigrants, who move out a country of origin
immigrants, who move into a
country of destination.3
Most national censuses ask two questions pertinent to the estimation of internal
migration fows: (a) where were you born and (b) where did you live fve years ago?
Internal migration involves the movement of people between specifc territorially
based subpopulations of a larger, general population.
If the origin and destination of such a movement is within city boundaries—for
instance, between neighborhoods, it is referred to as intracity move
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The latter, which refected the frst declines in the U.S. urban
population since the frst census of 1790, has been called the “rural renaissance.”