AP Human Geography: Unit 2 Chapter 3 - Vocabulary (Patterns of Population)

Sustainability

The use of Earth's land and natural resources in ways that ensure they will continue to be available in the future.

Arithmetic Density

The total number of people per unit area of land; also called crude density.

Physiological Density

The total number of people per unit of arable land.

Agricultural Density

The total number of farmers per unit of arable land.

Carrying capacity

The maximum population size an environment can sustain.

Population Pyramid

A graph that shows the age-sex distribution of a given population.

Market

The geographic area that serves as the supply and demand base for a particular good or service.

Demographic

Data about the structures and characteristics of human populations.

Fertility

The ability to produce children.

Mortality

Deaths as a component of population change.

Migration

The permanent or semi-permanent movement of people from one place to another, typically across a significant distance, to settle in a new location.

Rate of Natural Increase (RNI)

Rate at which a population grows as the result of the difference between crude birth rate and crude death rate.

Population-doubling Time

The length of time it takes for a population to double in size.