| Term | Definition |
|---|
| Demography | The study of population |
| Census | A governmental count of population within a country with various other details such as age, sex, etc. |
| Population Density | The measure of people per unit area. |
| Arithmetic Population Density | The average population density for one country. (Found by dividing the national area by the total number of people) (Is somewhat obsolete) |
| Physiologic Population Density | The number of people per unit area of agriculturally productive land. |
| Population Compostition | The makeup of terms in a population such as age,sex,etc. |
| Age-Sex Pyramid | A diagram used to show the factors of a population compostion (age and sex) |
| Crude-Death Rate (CDRs) | The number of deaths per year per thousand people in the population |
| Crude-Birth Rate (CBRs) | The number of live births per year per thousand people in the population |
| Infant Mortality | The rate at which infants die before reaching 3 years of age. |
| Total Fertility Rate (TFR) | The measure of the number of children born to women of childbearing age. |
| Demographic Transition Cycle/Model | A model constructed by Warren Thompson that features the four stages of a populations growth (High Stationary, Early Expanding, Late Expanding, and Low Stationary) |
| Doubling Time | The amount of time it takes for a population to double its current amount. |
| Exponential Growth | The process of uneven growth (3 children, 6 children, 5 children for different famalies) (Population Growth) |
| Linear Growth | The process of even growth. (Example: 1,2,3,4,5,etc.) (Food Surplus) |
| Natural Increase | The rate that is the difference between the number of births and deaths in a specific period. |
| Population Explosion | When the population doubles by the decreasing of doubling time. |
| Stationary Population Level (SPL) | The level at which populations will stop growing. |
| Absolute Direction | When people know the direction of some place. |
| Relative Direction | When people have an idea of direction or say that something is near something. |
| Absolute Distance | Distance measured by a globe or map |
| Relative Distance | Perception of distance and time percieved to take to travel that distance |
| Push Factors | Perceptions and conditions that tend to induce the people to leave thier abodes. |
| Pull Factors | Circumstances that effectively attract people to certain locales from other places |
| Activity (action) Space | The space in which a person occupies throughout thier daily routines. |
| Cyclic Movement | The movement of a person from thier home, to a target area and back. |
| Nomadism | A form of migration in which people move from to place to place without a permanant settlement. |
| Seasonal Movement | When northern inhabitants leave thier homes to go to places of more favorable weather during the wintertime. |
| Migration | The long temr relocation of an individual, household, or larger group to a new locale outside the community of orgin. |
| Emigration | When migrants move from one country to another and therefore cross an internation boundary, and bcome part of the vital statistics of they leave as well as the one they enter. |
| Forced Migration | Migration forced by an impostion of authority or power. |
| Voluntary Migration | Relocation by choice |
| Internal Migration | When people already living in an area move to another part of the same area. (Moving towns within a state) |
| External Migration | Moving to a completly different area of country. (From U.S. to Russia) |
| Interregional Migration | When migrants move across international borders but were moved from one geographic realm to another. |
| Step Migration | When migrants move in stages to completly satisfy their needs. |
| Counter Migration | When governments send back migrants caught entering thier country illegally. |
| Interveening Opportunity | When migrants have a destination which is altered by the presence of a new opportunity. |
| Distance Decay | The accuracy of a perception of a place as you move father away. |
| Refugee | A person whohas a well-founded fear of being persecuted for reasons of race, religion, nationality, membership of a particular social group, or political opinion. |
| Temporary Refugees | Refugees that are being relocated to a place where they are no longer considered refugees. |
| Permant Refugees | Refugees that are permantly persucuted |
| International Refugees | Refugees that have crosed one or more international borders. |
| Intranational Refugees | Refugees that have abandoned thier home but still are in thier home country. |
| Immigration Laws | Laws that regulate the immigration within a country |
| Eugenic Population Policy | A population policy that favors one racial of cultral sector of a population over others.(The Nazis) |
| Expansive Population Policy | A population policy that encourages a high rate of natural increase. (Communist Countries) |
| Restrictive Population Policy | A population policy used to restrict the rate of natural increase.(China's One Child Policy) |
| Negative Population Growth | When the population is not growing and too much of the population is dying off. (Japan) |
Combine with other sets
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