The world population is growing so fast. I can't just imagine that this year, the world's inhabitants has reached seven billion (7,000,000,000)! Last 2000, there are only 6.12 billion and after a decade and some years, almost another 1 billion was added.

Thanks to the infographic provided by http://www.mastersdegreeonline.org/seven-billion/. It discusses more detailed facts and information about the Worlds population.