Population key terms Flashcards
Birth rate
Number of births per 1000 per year
Death rate
Number of deaths per 1000 per year
Natural increase
Difference between birth and death rates
Infant mortality rate
Number of infant deaths under 1 year old per 1000 per year
Life expectancy
Average number of years a person can expect to live
Total fertility rate
Average number of children a women will bear in her lifetime
Fertility rate
Number of live births in area/country per 1000 women of childbearing age per year
Dependency ratio
Shows relationship between the economically active and dependent population
Dependency ratio equation
(population aged 0-19) + (population aged 60+)
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economically active population (20 -59)
Young dependents
Those people in a population who are under 15
Economically active population
Those in a population between 20 and 65 (working age) who work and pay tax
Elderly dependents
Those people in a population over the age of 65 (retirement age)
Example of country in stage 1 of DTM
Matis tribe, Amazonia, Brazil
Example of country in stage 2 of DTM
Afghanistan
Example of country in stage 3 of DTM
Brazil