Pediatric emergency medicine is an important subspecialty of pediatrics and emergency medicine. It is a well-established subspecialty in some countries and less well developed or evolving in others. We set out to develop a resource guide and document the current status of pediatric emergency medicine training across 4 countries (United States, Canada, United Kingdom, and Australia). This article also aims to provide a starting point for pediatric or emergency physicians charged with the development of pediatric emergency medicine training programs in countries without such programs.