Demographic transition theory can be used to describe and predict the future population. Demographic transition theory is used to study the relationship between economic development and population growth. It compares the birth rate and death rate of the population to ascertain the growth rate. Therefore, it can be used to describe and predict the population trends for the future. It states that the birth and death rates go low when people migrate from rural to urban areas or literacy rate increases. All these changes together make up the demographic cycle. The demographic cycle has 4 stages which are: high birth and death rates, high birth and low death rates, declining birth rate and low death rate and low birth and death rates. By analysing in what stage an economy is operating, the future trends can be predicted.
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