7 Billionth Person In Our World: Sorry, No Vacancy?

iStock/Thinkstock

In the coming days marks the celebration of 7 billion people on our planet.

The milestone, to be declared on October 31, 2011, is a huge spike from less than a century ago. In 1927, the global population was only 2 billion. Only 13 years ago, the population was at 6 billion, the U.N. says.

Have a look at people, possibilities and the challenges that come with dramatic population growth here.

Time to do some planning and invest in people power!