HG Unit 3 Vocab

Demography

Study of population

Population pyramid

Shows the age and gender structure of a country

DTM

Explains how population changes as a country develops

Stage 1

Birth and death rates are high and population growth is slow

Stage 2

Death rates fall and population growth shows a rapid increase

Stage 3

Birth rates begun to fall and population growth becomes slower

Stage 4

Birth and death rates are low and population growth is stable

Stage 5

Birth rates lower than death rates leading to population decline

Refugee

Person who flees because of war or persecution

Asylum

Legal protection given to someone fleeing danger

Chain migration

When migrants follow family members to a new country

Core countries

Highly developed and wealthy countries

Semi periphery

Countries developing in between

Primary sector

Involves extracting raw materials

Secondary sector

Involves manufacturing goods

Tertiary sector

Provide services like healthcare and education

Quaternary

Focus on knowledge and technology jobs