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APES Vocab
The Human Population
| Term | Definition |
|---|---|
| affluence | the state of having plentiful wealth including the possession of money, goods, or property |
| age structure diagram | a visual representation of the number of individuals within specific age groups for a country, typically expressed for males and females |
| child mortality | the number of deaths of children under age 5 per 1,000 live births |
| crude birth rate (CBR) | the number of births per 1,000 individuals per year |
| crude death rate (CDR) | the number of deaths per 1,000 individuals per year |
| demographer | a scientist in the field of demography who studies human populations and population trends |
| demography | the study of human populations and population trends |
| developed country | a country with relatively high levels of industrialization and income |
| developing country | a country with relatively low levels of industrialization and income |
| doubling time | the number of years it takes a population to double |
| emigration | the movement of people out of a country or region |
| family planning | the practice of regulating the number or spacing of offspring through the use of birth control |
| gross domestic product (GDP) | a measure of the value of all products and services produced in one country in one year |
| immigration | the movement of people into a country or region, from another country or region |
| infant mortality | the number of deaths of children under 1 year of age per 1,000 live births |
| IPAT equation | an equation used to estimate the impact of the human lifestyle on the environment; impact = population x affluence x technology |
| life expectancy | the average number of years that an infant born in a particular year in a particular country can be expected to live, given the current average life span and death rate in that country |
| net migration rate | the difference between immigration and emigration in a given year per 1,000 people in a country |
| population momentum | continued population growth after growth reduction measures have been implemented |
| population pyramid | an age structure diagram that is widest at the bottom and smallest at the top, typical of developing countries |
| replacement-level fertility | the total fertility rate required to offset the average number of deaths in a population in order to maintain the current population size |
| theory of demographic transition | the theory that as a country moves from a subsistence economy to industrialization and increased affluence, it undergoes a predictable shift in population growth |
| total fertility rate (TFR) | an estimate of the average number of children that each woman in a population will bear throughout her childbearing years |
| urban area | an area that contains more than 1,000 people per square mile |