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.
According to the latest U.N. estimate last year, the world's population is expected to rise from 6.7 billion in 2007 to 9.2 billion in 2050. Over the same span, the new report said, the total population of urban areas is projected to rise from 3.3 billion to 6.4 billion.