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, “World Population Prospects: The 2015 Revision”.
Year Population in Billions
2015______7.3
2030______8.5
2050______9.7
2100_____11.2
_____9