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WorGeoUnit3
Spatial Demographics and migration
| Question | Answer |
|---|---|
| Demography | The scientific study of population characteristics |
| Demographic transition | The process of change in a society's population from a condition of high crude birth and death rates and low rate of natural increase to a condition of low crude birth and death rates, low rate of natural increase, and higher total population |
| Doubling Time | the number of years needed to double a population, assuming a constant rate of natural increase |
| Infant Mortality Rate | the total number of deaths in a year among infants under 1 year of age for every 1,000 live births in society |
| Life expectancy | the average number of years an individual can be expected to live, given current social, economic, and medical conditions |
| Natural increase rate (NIR) | the percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate |
| Crude birth rate (CBR) | the total number of live births in a year for every 1,000 people alive in the society |
| Crude death rate (CDR) | the total number of deaths in a year for every 1,000 people alive in the society |
| Population pyramid | a bar graph that represents the distribution of population by age and sex |
| Total fertility rate (TFR) | the average number of children a woman will have throughout her childbearing years |
| Immigration | the action of coming to live permanently in a foreign country |
| Emigration | the act of leaving one's own country to settle permanently in another; moving abroad. |
| Remittance | a sum of money sent, especially by mail, in payment for goods or services or as a gift. |