Editing Population density (section)

{{Short description|Measurement of population per unit area or unit volume}}
{{Use mdy dates|date=November 2014}}
[[File:PopulationDensityMapPerSquareKilometre.png|thumb|upright=1.8|Population density (people per square kilometre) by country in 2023]]
[[File:World population density 1994 - with equator.png|thumb|upright=1.8|Population density (people per square kilometre) map of the world in 1994.

In relation to the equator it is seen that the vast majority of human population lives in the [[Northern Hemisphere]], where 67% of Earth's land area is.]]'''Population density''' (in [[agriculture]]: [[Standing stock (disambiguation)|standing stock]] or [[plant density]]) is a measurement of [[population]] per unit land area. It is mostly applied to [[human]]s, but sometimes to other living [[organism]]s too. It is a key geographical term.<ref name="about">Matt Rosenberg [http://geography.about.com/od/populationgeography/a/popdensity.htm Population Density]. Geography.about.com. March 2, 2011. Retrieved on December 10, 2011.</ref>