2nd Midterm Flashcards
What percent of all humans to have ever lived are alive today?
6.5%
What is the demographic equation?
rate = (births - deaths) + (imports - exports)
What is the natural increase term?
births - deaths
What is the net migration term?
imports - exports
What is the total fertility rate?
average number of children a woman will have in her child bearing years (15-44)
What is the replacement fertility rate?
numper of children a couple must have to replace themselves
What is the infant mortality rate?
number of deaths at the age of 1 or less per 1000 live births
What is the general replacement fertility rate?
2.1 children per woman
What is life expectancy?
number of years expected to live at birth
What is the rate of natural increase?
births - deaths
What is the double time and how is it caluclated?
how long it will take at current rates for the population to double
70/RNI