Human Populations

Front

Migration

Back

Movement of individuals into or out of a population.

Front

Population Growth Indicator

Back

A population with more young children than teenagers and more teenagers than adults is likely to double in 30 years.

Front

Current Human Population Growth Type

Back

Exponential growth.

Front

Birthrate

Back

Number of babies born each year per 1,000 people.

Front

Survivorship

Back

Percentage of members of a group who are likely to survive to a given age.

Front

Demographic Transition

Back

The transition from high birth and death rates to lower birth and death rates as a country develops.

Front

Fertility Rate

Back

The average number of children a woman will have during her lifetime.

Front

Replacement Level

Back

The number of children each woman needs to have to replace the population.

Front

Life Expectancy

Back

The average number of years a person can expect to live.

Front

Age Structure

Back

The distribution of various age groups in a population.