current population in earth
World population projected to reach 9.7 billion by 2050. 29 July 2015, New York. The current world population of 7.3 billion is expected to reach 8.5 billion by 2030, 9.7 billion in 2050 and 11.2 billion in 2100, according to a new UN DESA report, âWorld Population Prospects: The 2015 Revisionâ, launched today.