83% of the world population lives in the developing world, according to a quick google search. http://www.prb.org/Publications/Datasheets/2013/2013-world-popul

83% of the world population lives in the developing world, according to a quick google search. http://www.prb.org/Publications/Datasheets/2013/2013-world-population-data-sheet.aspx http://www.prb.org/Publications/Datasheets/2013/2013-world-p...