The demographic transitions model splits society into four stages, stage one, High stationary which occurs when there is a high birth rate and a high death rate which has a natural increase is low because the two cancel each other out. In stage two, early expanding there is a rapid drop in the death rate, this transition could occur because of improvements in sanitation, better health care and food and water supply. All of these factors could play a huge role in this factor if people are getting proper health care and eating and drinking properly it is vital to a long healthy life. In stage three, late expanding occurs when the birth rate begins to decline as long with the death rate which has a slow growth rate overall. In fourth and final
