Human: Population Change (word definitions) Flashcards
Natural increase
When the first rate is higher than the death rate.
Birth rate
The number of children born in a year for every 1000 people in a population.
Natural decrease
When the death rate is higher than the birth rate.
Natural change
The difference between the birth rate and the death rate.
BR - DR / 1000 x 100 = Natural Change
Death rate
The average number of deaths per 1000 people in a population.
Fertility rate
The number of live births per 1000 women of reproductive age (15-45) per year.
Infant mortality
The average number of children per 1000 born who die in their first year of life.
Longevity
The property of having a long life, indicated by a high life expectancy.
Life expectancy
The average number of years from birth a person can expect to live.
Dependent population
People who are under 15 and over 65 years of age, who are dependant on the economically active population.
Economically active
The total population between the ages of 15 and 64 in any country.
Replacement rate
The number of children that need to be born to replace the present population.
