Population - distribution and structure
World population density
Mexico population distribution
Why is population distributed unevely?
World Population & Income 1988
World food production
In addition to geographic distribution . . . Demographers also display the structural variation within particular subgroups of a population.
Population pyramids show a composite of the age and sex of a given population.
Population dynamics and processes
How do people enter and leave a given population?
Births and Deaths
Total fertility rate (TFR) is the average number of children a woman will have between 15-49 years old.
Births - deaths = natural increase
The average number of years an infant newborn is expected to live.
Access to drinking water.
Over 65 year olds
measure of the impact of the young and old on the more economically productive members of the population
Economically active men and women over 60. In some parts of the world, men and women must continue working as senior citizens.
Why do parents choose to have children?