Malthusian
Concise Oxford English Dictionary © 2008 Oxford University Press:
Malthusian /malˈθjuːzɪən/
▶adjective relating to the theory of the English economist Thomas Malthus (1766–1834), that without the practice of ‘moral restraint’ the population tends to increase at a greater rate than its means of subsistence, resulting in the population checks of war, famine, and epidemic. ▶noun an adherent of Malthus.
– derivatives
Malthusianism noun.
Malthusianism noun.
'Malthusian' also found in these Oxford entries:

