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 developing countries
Components of Population Growth
- Fertility
- Total Fertility Rate
- Measure also used by geographers tp measure the number of births in a society
- Defined as the average number of children a woman will have throughout her childbearing years (15-49)
- TFR for world is 2.5
- TFR exceeds 5 in sub saharan in Africa, while 2 or less in nearly all European countries
Components of Population Growth
- Mortality
- Infant Mortality Rate(IMR)
- Measure used by geographers to better understand death rates in a 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 a percentage
- IMR is 5 in developed countries and 80 in sub saharan Africa
Summary of Spatial Patterns
Developed countries
- Lower rates of...
- Natural Increase
- Crude Birth
- Total fertility
- Infant Mortality
Developing Countries
- Higher rates of
- Natural Increase
- Crude Birth
- Total fertility
- Infant Mortality
No comments:
Post a Comment