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* Population *

Migration & Dispersion

QuestionAnswer
Age Distribution (Population pyramid) is two back-to-back bar graphs, one showing the number of males and one showing females in a particular population in five-year age groups.
Carry capacity This is the population level that can be supported, given the quantity of food, habitat, water and other life infrastructure present
Cohort Population of various age categories in an age-sex population pyramids.
Demographic equation The formula that calculates population change
Demographic momentum this is the tendency for growing population to continue growing after a fertility decline because of their young age distribution.
Demographic regions shows how different parts of the world are in different stages of the demographic transition.
Demographic Transition model Stage 1 is low growth, Stage 2 is High Growth, Stage 3 is Moderate Growth, and Stage 4 is Low Growth and Stage 5 although not officially a stage is a possible stage that includes zero or negative population group.
Dependency ratio The number of people who are too you or too old to work compared to the number of people in their productive years
Diffusion of fertility control The diffusion of fertility control is spread throughout the world
Disease diffusion Hierarchical is along high density areas that spread from urban to rural areas. Contagious is spread through the density of people
Doubling time The number of years needed to double a population, assuming a constant rate of natural increase.
Acumen The proportion of earths surface occupied by permanent human settlement.
Epidemiological transition model This is a distinctive cause of death in each stage of the demographic transition.
Infant mortality rate: (IMR) The annual number of deaths of infants under one year of age, compared with total live births.
Created by: kathyiam