AP Hug 2.5-2.9

Demographic Transition Model (DTM)

a model that helps explain how countries throughout the world tend to proceed through a similar process in term of CBR, CDR, and population

Epidemiologic Transition

distinctive causes of death in each stage of the demographic transition

Antinatalist policies

when a country provides incentives for people to have fewer children (sometimes including punishments)

Pronatalist policies

when a country provides incentives for people to have more children

Contraception

methods of preventing pregnancy

Dependency ratio

the ratio of the number of people not in the work force (dependents) and those who are in the work force (producers) - useful for understanding the pressure on the producers

Graying population

a shift in population where older people (gray hair!) become a bigger portion, usually as a result of declining birth rates

Life expectancy

the average number of years a person born in a country might expect to live