The main contributors to the world GDP are USA...

The main contributors to the world GDP are USA, Japan, Germany, China, UK, France, Italy, Canada, Spain, Brazil, Russia, Korea, India, Mexico and Australia. Percentage share of USA to the total world GDP is 28.3. While both the emerging economies such as India and China have a share of 1.82 and 5.41 respectively.

Source: International Monetary Fund and World Economic Outlook Database The reports of IMF and World Bank shows that more than three fourth world resources are owned by the developed countries having less than one fifth world population while 80% rest of the world population has one fifth world resources. 3.2 World Population. In the last few centuries, the number of people living on earth has increased many times over. By the…