As of July 2005, the world population is at 6,446,131,400. The country with the largest population is China, with well over one billion people. The United States has the forth-largest population in the world, with about three hundred million people. The list goes on naming all two hundred and thirty-nine countries. These countries have populations ranging from over one billion, all the way down to forty-five. There is a vast amount of difference in population levels, and in an every-changing world many scientists are predicting that those numbers will continue to rise in most places. Whil…
