Why is Global Population Increasing?

• components of population growth
• natural increase
• about 82 million people are added to the population of the world annually
• more than 95 percent of the natural increase is clustered in poor countries
• fertility- total fertility rate (TFR)
• TFR for the world is 2.42
• exceeds 5 in sub-Saharan Africa, while 2 or less in nearly all European countries
• mortality- Infant mortality rate (IMR)
• measure used by geographers to better understand death rates in society
• defined as the annual number of deaths of infants under one year of age, compared with total live births
• usually expressed per 1,000 births rather than percent
• IMR is 5 in developed countries and 80 in sub-Saharan Africa
• Summary of Spatial patterns

-developed countries                               -developing countries

   lower rates of                                             higher rates of

                                   -Natural Increase

                                   -Crude Birth

                                   -Total Fertility

                                   -Infant Mortality