poly Flashcards
When migrants move back and forth between their home countries and those to which they have migrated
Transnational Migration
The number of young dependents in a population (usually younger than 15) that every 100 working age people must support
Youth dependency ratio
The portion of Earth’s surface with permanent human settlment
Ecumene
When moves are made across National Borders
International migration
The difference between the number of births and deaths in a given year, when expressed as a percentage of total population
RNI
Permanent movement within one region of a country, such as moving from the suburbs to the big city.
Intraregional Migration
The balancing point given the distribution of population
Mean Center of Population
Refers to the breakdown of a population into different age groups or cohorts
Age structure
The average number of people per unit of land area (usually per square mile or kilometer)
Arithmetic (Crude) Density
A gauge of the impact of migration on population change, determined by dividing a country’s net migration by its total population then multiplying by 1000
NMR
The average number of children born per woman during her reporductive lifetime, considered to be from 15-49 years old.
Total Fertility Rate (TFR)
Migrants going back, or returning, to their previus place of residence or origin.
Return Migration
Mobility that implies a change in social hierarchy
Social (upward) Mobility
The degree of equality between men and women with respect to access to and control over both physical and social resources in the family community or society at large
Women’s Status