New Nation: The world’s population reached six and a half billion in 2006, and is quickly approaching 7 billion. It appears to be increasing at a rate of about 6.5 million a month or 78 million a year. From a purely mathematical point of view, at the current growth rate of 1.16 per cent per year, the world’s population will double in 60 years. However, it is being projected to grow to 9 billion by 2050 (as per the United Nations). If this projection holds, it would be an improvement over an earlier …