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.
pregnacy
Sex.
Birthrate is the major contributor to Australia's population growth as immigration is tightly controlled.
More services available.
population and poor agricultural growth
causes of rapid growth of service industry in the country?
population and poor agricultural growth
birth death migration/emigration
It is called a limiting factor.
industrialist and immigrants.
Competition for resources
The industrial revolution. Factories and manufactures were located in the large cities, so the workers moved from the rural areas to the cities for jobs, therefore, population increase.
There are many causes of social instability. Some examples of the causes of social instability are; international tension, industrialization and population growth.