The IUHPE Health Promotion Accreditation System - developing and maintaining a competent health promotion workforce.

This commentary reports on the development and implementation of the competency-based IUHPE Health Promotion Accreditation System in the context of workforce capacity as a key activity of the International Union for Health Promotion and Education (IUHPE). The process of developing the System is described, including how it built on, and added to, international research and experience in competency-based approaches to health promotion. An overview of how the System works, its current status and future plans, is presented. Evidence of the positive impact of the System to date, in particular in the context of health promotion education, is considered.