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Cause and Effect of Overpopulation

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Cause and Effect of Overpopulation

Nowadays, population growth is one of the intractable problems in many countries. The United Nations estimated that birth rate per day is about two hundred thousand people, and this number increases to twelve million per year, and it can lead to many consequences such as starving and conflicts. Moreover, migration, advanced technology, and increased life expectations are the main reasons of overpopulation. Population growth rate is boosted by people’s moving to another country. First, tourists are the primary cause of overcrowding. China National Tourism Administration statistics show that by the end of 2015, China had about 133.8 million inbound tourists coming from other countries and cities. Furthermore, immigration has a substantial impact on overpopulation. It has existed throughout the history and people immigrate in search of better living standards, education, and economic opportunities; moreover, most people are forced to migrate. According to Migration Policy Institute, roughly 41.3 millions of people immigrated to the United States in 2013, and this number contains 13.1 percent of total United States population. In conclusion, non-native people’s movements are the main cause of overpopulation. There are also several reasons of the growth of population because of native citizens. First of all, advanced technologies provide decreasing the death rate. According to the World Health Organization statistics, maternal mortality dropped to 44 percent from 1990 to 2015, and this reduction is the consequence of improving medicine. Furthermore, the increment of life expectancy is another cause of overcrowding. National Center for Health Statistics reported that, between 1930 and 2010, life expectancy increased from 59.7 to 78.7 years old in America. Overpopulation brought several dangerous implications for human life.

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