Natlie WolchoverLife's Little Mysteries Staff Writer Latest articles by Natlie Wolchover How Do You Count 7 Billion People? By Natlie Wolchover published 19 August 11 The UN compiles a mind-boggling array of demographic, health and census data in order to estimate the world population. Human Behavior Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Scientists discover Burmese pythons have never-before-seen cells that help them digest entire skeletons2Whooo's there? James Webb telescope spots rare 'Cosmic Owl'3Chimps develop fashion trend by shoving grass in their ears — and in their butts4Saturn news, features and articles5Pluto news, features and articles
How Do You Count 7 Billion People? By Natlie Wolchover published 19 August 11 The UN compiles a mind-boggling array of demographic, health and census data in order to estimate the world population.