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Population
| Term | Definition |
|---|---|
| Population Density | Population density (in agriculture: standing stock and standing crop) is a measurement of population per unit area or unit volume; |
| Demographic | Statistical data relating to the population and particular groups within it. |
| Population distribution | Population distribution means the pattern of where people live. World population distribution is uneven. |
| Natality - birth rate | The ratio of the number of births to the size of the population; birth rate. |
| Mortality - death rate | The rate which people die. |
| Population explosion | Sudden large increase in the size of a population. |
| Zero Population Growth | The maintenance of a population at a constant level by limiting the number of live births to only what is needed to replace the existing population. |
| (ZPG)/Stationary population level | The level at which a national population ceases to grow |
| Age distribution | The distribution of various age groups in a population |
| Population pyramid/ Age-sex | Graphical illustration that shows the distribution of various age groups in a population |
| Pyramid | |
| Cohort | A group of people banded together or treated as a group. |
| Sex ratio | The gender ratio is the ratio of males to females in a population. |
| Gendered space | Areas or regions designed for men or women. |
| Standard of living | The degree of wealth and material comfort available to a person or community. |
| Infant mortality rate | Number of deaths under one year of age occurring among the live births in a given geographical area during a given year |
| Diffusion of fertility control | |
| Disease diffusion | There are two types, contagious and hierarchical. Hierarchical is along high density areas that spread from urban to rural areas. Contagious is spread through the density of people |
| Maladaptation | Incomplete, inadequate, or faulty adaptation. |
| Sustainability | Sustainability is the ability to continue a defined behavior indefinitely |
| Demographic equation (change) | Taking the increase or decrease in the population (births minus deaths) plus or minus the amount of migration to the demographic area. |
| Dependency ratio | Dependency ratio is an age-population ratio of those typically not in the labor force |
| Rate of natural increase | The rate of natural increase (RNI) is the crude birth rate minus the crude death rate of a population. |
| Doubling time | The doubling time is the period of time required for a quantity to double in size or value. |
| J-curve | Trend of a country's trade balance following a depreciation. |
| S-curve | The horizontal bending, or leveling, of an exponential or J-curve |
| Ecumene | Where people have made their permanent home, and to all work areas that are considered occupied and used for agricultural or any other economic purpose. |
| Overpopulation | When a certain area becomes to crowded with people |
| Underpopulation | When a certain area has a low amount of people |
| Carrying capacity | The number or quantity of people or things that can be conveyed or held by a nation or container. |
| Population projection | Population projections are estimates of total size or composition of populations in the future. |
| Demographic momentum | Demographic momentum The tendency for growing population to continue growing after a fertility decline because once this happens a country moves to a different stage in the demographic transition model. |