Overpopulation refers to an undesirable condition where human population exceeds the available natural resources to feed and sustain it. Today, the world is inhabited by over 7 billion people, with China topping the list as the most populated country, followed by India. Rapid population growth is the bane of the economy of underdeveloped, poor and developing countries in the world. The population figures present an ironical situation: whereas North America’s area is 16% of the world, only 6% population of the world lives there but it consumes 45% of the world’s total income. On the other hand, Asia comprises 18% area of the world, but it is home to 67% of the world’s population. Still, it consumes only 12% of the world’s income. The situation in Africa is also more worrisome. Clearly, the areas with higher population remain socio-economically backward. Their residents get food which is not only insufficient, but is also not good in terms of nutrients.

Unbearable burden of population is clearly seen in four regions of the world – Southeast Asian countries in which China, Pakistan, Bangladesh, Philippines, India, etc are the forerunners. The population of the region consisting of the Middle East and North Africa have also been expanding at a rapid pace over the past few decades. Latin America can also be reported to be responsible for sounding the warning bells for the world. Along with the population increase here, it is witnessing decrease in the quality of life of the people and increase in internal instability. In the sub-Saharan Africa, there is a rapid increase in population due to higher birth and fertility rates.

These above-mentioned areas of the world have been termed as explosive areas of population. Not only the population has increased more in these regions so far, but these areas will be liable to population increase even in the near future too.


India is the second most populous country in the world, after China. Overpopulation is among the more serious problems that our country is facing, as it accounts for more than 1.20 billion people of the over 7 billion population of the world.

Interestingly, USA, that ranks 3rd in the list of most populated countries of the world, is inhabited by 311.1 million people who comprise just 1/4th of India’s population. This gap become even more astonishing when considered that the USA is three times larger than India in size.

Some of the Indian states outnumber several countries in population. Uttar Pradesh with a population of 166 million leaves behind the Russian Federation, home to 146.9 million people. Similarly, Orissa’s population exceeds that of Canada, and Chhattisgarh’s that of Australia.

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