Population density
Population Density
Population density (pronounced: /ˌpɒpjʊˈleɪʃən ˈdɛnsɪti/) is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, most of the time to humans. It is a key geographical term.
Etymology
The term "population density" comes from the Latin populus meaning "people" and the English word "density", which originates from the Latin densus meaning "thick".
Definition
In simple terms, population density refers to the number of people living in an area per square kilometer. It is calculated by dividing the total population of an area by the land area in square kilometers or square miles.
Calculation
The formula for calculating population density is:
Population Density = Total Population / Land Area
The result is typically expressed in people per square kilometer or people per square mile.
Related Terms
- Demography: The statistical study of populations, especially human beings.
- Census: An official count or survey of a population, typically recording various details of individuals.
- Urbanization: The process by which towns and cities are formed and become larger as more people begin living and working in central areas.
- Overpopulation: An undesirable condition where the number of existing human population exceeds the carrying capacity of Earth.
- Carrying Capacity: The maximum population size of the species that the environment can sustain indefinitely.
See Also
- List of countries and dependencies by population density
- Human overpopulation
- Effects of overpopulation
External links
- Medical encyclopedia article on Population density
- Wikipedia's article - Population density
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