World Population Prospects (2010 Revision) (image) FECYT - Spanish Foundation for Science and Technology Share Print E-Mail Caption This is an estimated and projected world population according to different variants, 1,950-2,100 (billions). The model matches with the low fertility variant. Credit UN Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.