Since the 1990s, there has been a steep and steady rise in studies published, and national and international policies adopted, on health literacy. This surge in interest has focused on the definition of health literacy and its various measures, the relationship between health literacy, health promotion and a wide range of health and social outcomes, and increasingly, investment in policy and programs to improve health literacy in populations. The Position Statement is a mechanism by which we describe what we believe to be the current state of the art and how it can be promoted through adoption by key stakeholders.