what is a demographic transition model???
http://www.google.com/#sclient=psy&hl=en&q=demographic+transition+model&aq=f&aqi=g5&aql=&oq=&gs_rfai=&pbx=1&fp=7b3e9e0669ddb0a1
Read several. Read carefully. Take good notes.
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A demographic transition model (DTM) is a tool used in demography, which is the study of population dynamics and changes. The model illustrates the typical changes in demographic patterns that occur as a country undergoes industrialization and development.
To understand the concept of a demographic transition model, follow these steps:
1. Start by defining the term "demographic transition." It refers to a sequence of changes in birth rates, death rates, and population growth that occur as a society progresses from a pre-industrial to an industrialized economic system.
2. Study the basic components of a demographic transition model. The model usually consists of four or five stages, representing different levels of societal development.
3. Familiarize yourself with the various stages of the model:
a. Stage 1: The pre-industrial stage, characterized by high birth rates and high death rates, resulting in a slow population growth rate.
b. Stage 2: The transitional stage, marked by an increase in population due to declining death rates while birth rates remain high. This results in rapid population growth.
c. Stage 3: The industrial stage, where birth rates begin to decline as a result of social and economic changes associated with industrialization. Death rates continue to decline, leading to a stable population growth rate.
d. Stage 4: The post-industrial stage, characterized by low birth rates and low death rates, resulting in a slow or no population growth.
4. Understand that some demographic transition models include a fifth stage, which represents a hypothetical phase of population decline due to extremely low birth rates.
5. Explore the factors that contribute to changes in birth rates, death rates, and population growth during each stage. These include changes in economic structures, healthcare systems, education levels, cultural norms, and access to contraceptives.
By following these steps, you will gain a good understanding of what a demographic transition model is and how it can be used to explain population changes during different stages of societal development.