Population declines

Definition

Population declines refer to a decrease in the number of individuals within a species or population over time. In history, this often refers to human populations and can be due to various factors such as disease, war, migration, or environmental changes.

Related terms

Mortality Rate: The mortality rate is the measure of the number of deaths in a particular population during a specific period.

Migration: Migration refers to movement by people from one place to another with intentions of settling temporarily or permanently in the new location.

Famine: Famine is extreme scarcity of food caused by several factors including war, inflation, crop failure, etc., leading to widespread malnutrition and death.