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The basic reasons for growth of population are:

1. Increase in Birth Rate (due to lack of awareness, lack of education, desire for sons, early marriages, custom and culture and Infant Mortality Rate)

2. Increase in net migration

3.The death rate - the higher the death rate the lower the population growth

Edit : 4. increase in competition (novanet/gradpoint)

-Tyler Price
Increase in population occurs when the birth rate is greater than the death rate. It can also occur when Immigration increases. Good heath of the population also means that more children will survive childhood diseases. Increase in the use of vaccines also helps. Increase in food supply and an increase in wages allow for more to survive.

At times in our history, the Black Death caused a decrease in population numbers and some wars were as bad.

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8y ago

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