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APHG Population
Population
| Term | Definition |
|---|---|
| Population Density | Measurement of population per unit area |
| Demographic Regions | Any area which you wish to analyze demographically |
| Population Distribution | Descriptions of where people live/are on earth. |
| Natality - Birth Rate | Number of births by a number of people (usually 1000) per year. |
| Mortality - Death Rate | Number of deaths of people (usually 1000) per year. |
| Population Explosion | A population that is growing exponentially. |
| Zero Population Growth | A population that is not growing. |
| Age Distribution | Number of different aged people in a population |
| Population Pyramid | A chart that shows the different number of people in certain age groups in a population. |
| Cohort | A specific group of people |
| Sex Ratio | Number of males for each female in a population. |
| Gendered Space | Areas or regions designed for men or women |
| Standard of Living | Refers to the level of economic wealth, comfort, material goods and necessities in a certain area. |
| Infant Mortality Rate | Number of deaths of infants per a number of people (usually 1000). |
| Diffusion of Fertility Control | The spread of birth control in an area. |
| Disease Diffusion | When a disease is transmitted to a new location. |
| Maladaption | A trait that is more harmful than helpful. |
| Sustainability | Ability of a certain area to sustain life. |
| Demographic Equation | A formula taking the increase or decrease in the population plus or minus the amount of migration to the area. |
| Dependency Ratio | Comparing the number of people not in the labor force to the number of people that are in an area. |
| Rate of Natural Increase | Birth rate minus death rate in a population. |
| Doubling Time | Time it takes for a population to double. |
| J-Curve | When the population falls but then comes back to be higher than the starting point. |
| S-Curve | When the population increases slowly then quickly then slowly again. |
| Ecumene | Referring to inhabited land |
| Overpopulation | When there are too many people in a specific area. |
| Underpopulation | When there aren't enough people in a specific area. |
| Carrying Capacity | Amount of people an area can support. |
| Population Projection | Estimates of the population at a future date. |
| Demographic Momentum | The tendency for a population to keep growing after a fertility decline because once this happens the country moves to a different stage in the demographic transition model. |