Theory of population
# Theory of population

Theory of population may refer to:

* Malthusianism, a theory of population by Thomas Malthus (1766–1834)
   * An Essay on the Principle of Population, the book in which Malthus propounded his theory
* Neo-Malthusian theory of Paul R. Ehrlich (born 1932) and others
* Theory of demographic transition by Warren Thompson (1887–1973)
