APHG Unite 2

CBR

Number of Babies born per 1,000 people (any people men, women, children)

CDR

Number of deaths per 1,000 people

IMR

Number of deaths per 1,000 Infants

TFR

Average number of children per people in childbearing years 15-49

NIR

Percent of population grows (no immigration)

Gravity Model

Spatial Interaction is directly related to the size of the population and inversely related to the distance between them

India Family planning

forces people to get sterilized, they lose rights if they don’t

Africa

low contraceptive use, bad gender iquality

Boserup’s Theory

Earths carrying capacity can increase

Malthusian Thoery

The population will grow till we run out of food-food shortages/famine

Malthusian Critics

Better technologies allow for more food to be made

Stage 1

none

Stage 2

Nigeria, Afghanistan, Niger, Sub Saharan Africa

Stage 3

India, Mexico, Brazil, Vietnam, Indonesia, South Africa

Stage 4

USA, UK, Canada, Australia, France

Stage 5?

Japan, Germany

Arithmetic Density

Total number of people/Total land area

Physiological Density

Total Population/ Arable land Area

Agricultural Density

Total number of farmers/Total arable land area