Gap (in Percentage Points) Between Richest and Poorest Quintiles in the Contraceptive Prevalence Rate, and Gap Reduction From Initial to Latest Survey,a 46 Low- and Middle-Income Countriesa Survey years varied by country, ranging from 1990 in the initial surveys to 2013 in the latest surveys. Gap (in Percentage Points) Between Richest and Poorest Quintiles in the Contraceptive Prevalence Rate, and Gap Reduction From Initial to Latest Survey,a 46 Low- and Middle-Income Countriesa Survey years varied by country, ranging from 1990 in the initial surveys to 2013 in the latest surveys. John Ross Glob Health Sci Pract 2015;3:419-445 © 2017 Creative Commons Attribution 4.0 International License