APHUG unit 2 red vocab

Population distribution

The pattern of how humans are on earth

Ecumene

The portion of earths surface with permanent human settlement

Population clusters

Heavily populated areas that illustrate the unevenness in global population distribution

Megacity

A city with more than 10 million people

Metacity

A city with 20 million+ people

Population density

Average number of people per unit of land

Arithmetic density

Average number of people per unit or land per square mile

Arable land

Land suitable of cultivation

Agricultural density

Number of farmers per unit of arable land

Carrying capacity

Number of people a particular environment or earth as a whole can support

Population composition

The makeup of the population by age and sex

Dependency ratio

Number of dependents in a population that every 100 working age people must support

Sex ratio

The ratio of the number of men to number of women in a population

Androcentrism

a phenomenon in which a culture demonstrates a marked preference for males

Crude birthrate

Average number of births per 1000 people

Total fertility rate

Average number of kids born per women during her reproductive years

Replacement level fertility

Average number of needed to replace both parents

Gender roles

Behaviors and attitudes associated with a particular gender based on culture norms

Infant mortality rate

A measure of how many infants die within the 1 year of life

Child mortality

Deaths of children under five years of age

Rate of natural increase

Difference of deaths and births in a given year

Zero population growth

When a country has the same number of births and deaths in a year

Doubling time

Number of years it takes for a population to double

Antinatalist policies

Reducing fertility rates

Pronatalist policies

Boosts fertility rates