Why is global population increasing?
Components of population growth
natural increase
about 82m people are added to the population of the world annually
more than 95% of the natural increase is in developing countries
fertility
total fertility rate
tfr for world is 2.5
tfr exceeds 5 in sub-saharan africa and 2 or less in many europe countries
Mortality
infant mortality rate
shows death rate
number of deaths of kids under 1yo
per 1,000 births and not percentage
imr is 5 in developed countries and 80 in sub-saharan africa
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