Jun 04, 2014 · FiveThirtyEight's Mona Chalabi analyzed Indiana University's National Survey Of Sexual Health And Behavior (NSSHB) to create an infographic illustrating how often men and women masturbate according to age. The NSSHB collected data from 5,865 Americans between the ages of 14 and 94 between March and May 2009. The latest news on Congress, campaigns, elections, policy and everything politics from HuffPost.