Contraceptive prevalence, any method (% of married women ages 15-49) - World, Angola, St. Kitts and Nevis, Burkina Faso, Iran, Islamic Rep., Costa Rica, El Salvador
Household surveys, United Nations ( UN ), note: Household surveys, including Demographic and Health Surveys and Multiple Indicator Cluster Surveys. Largely compiled by United Nations Population Division., publisher: UN Population Division
