Zero population growth

Definition

Zero population growth occurs when the number of people being born plus immigrants entering a population equals the number of people dying plus emigrants leaving it over a specific period. It results in a stable population size, neither increasing nor decreasing significantly.

Related terms

Birth rate: The number of live births per 1,000 people in a population over a given period of time.

Death rate: The number of deaths per 1,000 individuals in a population over a certain time frame.

Migration: The movement of individuals into (immigration) or out (emigration) of a population area affecting its overall size and composition