Hgap 2.6-2.9

A Theory that explains why migrants move, the distance they typically move, and migrant's characteristics (young males)

The number of people under the age of 15 AND over age 64, COMPARED to the number of people active in the labor force.

Population growth & birth rates will drop as countries become more developed Mech, Fertilizer & HYS have increased food.

Government policies designed to favor one racial sector over others

there is a larger population over 64 compared to the working population

Government policies that encourage people to have more children

Argues that the Malthusian theory (from the 1800's) is still a relevant theory. Though arable land is infinite

Government rules that discourages large family sizes

measures the number of years a newborn will be expected to live.

there is a larger population ages 0-14 compared to the working population

a population in which the percentage that is age 65 and older is increasing relative to other age groups

A theory that believes that starvation is the inevitable result of population growth. Limited arable land

A policy implemented by the Chinese government as a method of controlling the population. (1 kid per parents)