Population and Demography Concepts

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Agricultural population density

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The ratio of available farmers to available land that is suitable for agriculture.

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Arable land

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Tillable or cultivable land that can be used for farming.

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Arithmetic population density

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A numerical average obtained by dividing the total population of a given area by the total land area. These data do not take into consideration whether the area is rural or urban, or arable or inarable.

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Population distribution

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A reference and measurement of human settlement patterns that yields descriptions of whether a place is sparsely, moderately, or densely populated.

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Population density

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Statistical data representing the number of people living on a given amount of land. Population density can be subdivided into three categories: agricultural density, arithmetic density, and physiological density.

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Physiological population density

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The number of people for a given unit of land suitable for agriculture. It is calculated by dividing the total population by the amount of arable land for a given area.

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Carrying capacity

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The maximum population that a region can sustain given its environment and resources.

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Over population

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When the population of an area is greater than the local environmental capacity to support an adequate standard of living.

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Baby boom

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A temporary increase in the birth rate brought on by factors such as a return of peace or an increase in economic prosperity.

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Baby bust

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A temporary yet significant decrease in fertility within a population.