Explain the Spatial Variations in the World Patterns of Fertility and Mortality

There are many factors that affect the rates of fertility/mortality and statistics indicate that a definitive world pattern has emerged. These factors include healthcare, politics, status of women, social and economical changes and the availability of resources. This worldly pattern can be seen in the divisions of developing and developed countries. It is common for developing countries to have a high fertility/mortality while developed countries display a low fertility/mortality.
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