The main reason that the developing countries will have high population growth and overpopulation, as a result is because of either cultural beliefs or the desire to provide more labor capacity of these countries to help them compete with the developed countries.

The main reason overpopulation has remained under control in the developed countries is the existence of birth control regulations. There is no doubt that all average people can be able to control their birth rates. However, developed countries understand that in order to have a strict regulation come into place, there is a need to have regulations about the births. Most of the developed countries such as China and others have very low population growth which has been estimated to be almost zero. Countries such as United States also have birth regulations with most people having an average of two children per woman.

Besides the urge for the birth control, another reason that has resulted to regulated childbearing on the developed countries is the strict regulations about parenting responsibilities. While, in most third world countries, parents bear their children and then leave them helpless, there are strict regulations on the developed countries where people are expected to exercise full responsibilities for their biological children. Fathers who father the children will be expected to give support to those children up to a certain age, for this reason, most people, will shy off from getting children bearing in mind the difficult economic situations that different individuals face.

, the children will have poor development attributed to the poor quality of life they will be subjected to. The children will have poor quality of education as the ratio of student to the teacher will be very big. As a result, those children will acquire low class of education and as a result, they will secure low paying jobs with even some failing to secure some jobs.

As a result of overpopulation, there are more cases of global warming since the rate of carbon emission in the atmosphere is rising rapidly. The carbon mostly come from combustion of many materials as a result of high population growth and also cultivation of previous uncultivated land that has been left bare for long periods of time.

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