the birth rates are so high because so many women have been having lots of children . the death rates are so high because of people having so many children. Or this may be caused by religion WHAT A BAD ANSWER!
The Demographic transition model (DTM) is a model used to represent the transition from high birth and death rates to low birth and death rates as a country develops from a pre-industrial to an industrialized economic system.
Not only do poor countries have high Birth rates, they also have high death rates. Especially high rates of infant mortality. In order to ensure that there are children alive to take care of them in their old age, people marry young, have many children hopefully to achieve this aim.
Indonesian birth rates may be attributed to the high quantity of rice comsumed by the populace, while German birth rates are affected by beer and spirit comsumption. Death rates in both areas are the result of totalitarian regimes, including nazism, buddhism, and chauvinism.