The absence of any increase (or decrease) in a population over a period of time; abbreviated ZPG.
1955
The late stages of demographic transitions have usually been represented as involving close to zero population growth.
Population Studiesvol. 9 51
1967
Most discussions of the population crisis lead logically to zero population growth as the ultimate goal.
Science 10 November 732/2
1983
Much of the push..for zero growth—both zero population growth and zero economic growth—has come out of concern about the immense environmental devastation being wreaked by unbridled growth.
W. H. Blackstone in J. Howie, Ethical Princ. Social Policy ii. 36
2012
The result has been zero population growth in one of the world's most underpopulated and unspoilt places.