Six degrees of separation between us and everyone else on this planet. The President of the United States, a gondolier in Venice, just fill in the names. I find it A) extremely comforting that we're so close, and B) like Chinese water torture that we're so close because you have to find the right six people to make the right connection...
7.5 Billion (2017) The current world population is 7.5 billion as of March 2017 according to the most recent United Nations estimates elaborated by Worldometers. The term World Population refers to the human population (the total number of humans currently living) of the world.
The world population has grown tremendously over the past two thousand years. In 1999, the world population passed the six billion mark. The latest official current world population estimate, for mid-year 2013, is estimated at 7,095,217,980. The chart below shows past world population data back to the year one and future world population projections through the year 2083. World Population Growth