With today's technological advancements, better and more accessible nutrition, it is easy to see why populations have sky-rocketed around the globe. Various systems of government across the world also have large impacts on population growth. It is interesting to note the difference in population between China and America, for instance. China has a population of around 1.35 billion. America is around 318.9 million. China is 3.7 million square miles, where America is 3.8 million square miles.
What are the differences here? And what would it mean to reach maximum occupancy on this earth?