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Dot Map

Maps where one dot represents a certain number of a phenomena.

Natural Increase

Natural population growth measured as the excess of live births over live deaths.

Crude Birth Rate

Number of live births yearly, per 1000 people.

Crude Death Rate

Number of yearly deaths, per 1000 people.

Population Distribution

Discription of locations on the Earth's surface where populations live.

Physiological Population Density

The number of people per unit area of arable land.

Arithmetic Population Density

The number of people expressed as an average per unit area. Derived from population/unit squared. Usually Misleading

Population Composition

Structure of a population in terms of age, sex, and other properties.

Population Pyramid

Displays the percentages of each age group using horizontal bars; males to the left of the center bar, females to the right.

Chronic Diseases

Long-lasting afflictions that are now more common due to longer life expectancies.


Weakens immune system over a period of years; Caused by the Human Immunodeficiency Virus(HIV)

Life Expectancy

How long, on average, a person is expected to live.

Restrictive Population Policies

Polices designed to decrease the rate of natural increase.

Population Density

A measure of the number of people per given unit of land.
3 types

Eugenic Population Policies

Government policies that favor one racial or cultural sector over others.

Expansive Population Policies

Government policies that incourge larger families and increasing population growth.

Population Explosion

The rapid growth of the World's human population for the last century.

Stationary Population Level

The level at which a national population ceases to grow.

Demographic Transition Model

A model of changes in population growth exhibited by countries undergoing industrialization. Has 4 stages.

Child Mortality Rate

A figure that describes the number of children that die between the ages of 1 to 5.

Infant Mortality Rate

A figure that describes the number of babies that die within the first year of their birth.

Doubling Time

The time required for a population to double in size.


A periodical and official count of a country's population.


The term used to designate coalescing supercities that are developing in diverse parts of the world.

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