21 terms

Populations in Transition

Sources: IB, IB Geography Course Companion
The movement of people, involving a change of residence. It can be internal or external (international) and voluntary or forced. It does not include temporary circulations such as commuting or tourism (IB).
Exponential growth
An increasing or accelerating rate of growth.
Population momentum
The tendency for population to grow despite a fall in the birth rate or fertility levels. It is also the tendency for a population to continue to fall despite a rise in the birth rate.
Population projections
Predictions about future population based on trends in fertility, mortality and migration.
Life expectancy
Average number of years that a person can be expected to live, usually from birth, if demographic factors remain unchanged.
Annual growth rate
Found by subtracting the crude death rate (per 1000) from the crude birth rate (per 1000) and then expressed as a percentage.
Crude birth rate
The number of births per 1000 people in a population in a given year.
Infant mortality rate
The number of deaths of children less than one year old per 1000 live births in a given year.
Child mortality
The number of deaths in children under the age of 5 per 1000 live births in a given year.
Crude death rate
The number of deaths per 1000 people in a population.
Population structure
The composition of a population, the most important elements of which are age and gender.
Family planning
Attempts to limit family size.
Transfers of money by foreign workers to their home countries.
Organization of Ecconomic, Co-operation and Development, largely composed of developed countries.
A person fleeing their home country in order to escape danger.
Asylum seekers
People who seek refugee status in another country.
Illegal immigrants
People who enter another country without permission and plan to remain there.
Economic migrant
A person seeking job opportunities.
Internally displaced persons
Those who have fled their homes but continue to live in their own countries.
The way in which the rights, restrictions and responsibilities that people have with respect to land are held.
Natural decrease
When the number of births is lower than the number of deaths.