Nowadays demographers believe the number of population can rise to more than 9 billion in the next 50 years. We believe that human population increased after World War II when the population of less developed nations began to accelerate dramatically.
As a result, world population entered the twentieth century with approximately 1. In the next 50 years the annual growth will take place in the less developed countries Asia, Africa, and Latin America whose population growth rates are much higher than those in more developed countries. In some European countries population rates are negative Hungary, Estonia, Russia, Ukraine and others. Some demographers suppose, Africa is expected to capture the greatest share in the world population.
Population growth in more developed countries is already low and is expected to stabilize. According to the most recent UN estimates, between now and world population growth will be generated exclusively in developing countries. However, human population of the developed countries will decline. According to the most recent medium variant UN population projection these ten countries will contribute most to world population growth over the next 50 years.
As far as we know Europe and Africa are each home of about one eighth of the human population. This is expected to change significantly in the future.
The schemes adopted for this purpose cannot materialize unless the population problem is tackled satisfactorily. However, it is also a fact that we cannot exercise any effective check on population unless there be an appreciable rise in the standard of living for the common people. Overpopulation weakens the economy in many respects.
The increasing pressure of population on natural resources will retard the economic progress and minimize the scope for social services in the form of education, wealth, housing, etc.
Therefore, a planned growth of our economy needs some effective check on population. The benefits of family planning schemes initiated by the Government are being emphasized in many ways. Population growth beyond carrying capacity shall delete resources and destabilize the existing environmental conditions. Clearly, it is the time for a global effort to create every where on earth the conditions conducive to stabilizing human population. A set of projections can be arrived at regarding the maximum population that can be supported by the mother earth as a whole, or a particular region or a country, only in conjunction with availability of food, water, extent and nature of pollution, space, energy etc.
Population explosion is one of the major crises the nation is facing. Zero population growth ZPG holds the key to the well being and prosperity of the country. You must be logged in to post a comment. Essay on Global Climate Changes. Essay on Ozone Layer Depletion. Leave a Reply Click here to cancel reply.
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Human population increase is mainly concentrated in China, India, Pakistan, Nigeria, Ethiopia, Indonesia, United States of America, Bangladesh, Zaire, and Iran. According to the most recent (medium variant) UN population projection these ten countries will contribute most . Read the Population Growth Essay. Some factors created differences in regions where population increases as the other experience decrease.
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