United Nations population division

September 29, 2014, 9am PDT
So much for the conventional wisdom that world population would peak at 9 billion by 2050 and then decline. A new analysis shatters it, concluding population will rise to 11 or 12 billion by 2100, and possibly continue growing.
The Guardian
April 9, 2013, 10am PDT
For those concerned about world population, a new study from Spain rebuts prior studies, including the U.N. 2011 report that project population reaching 10 billion by 2100. The new report projects it peaking at 8 billion in 2050, then declining.
The Atlantic Cities