To commemorate the anniversary of the release of the 2004 health literacy report, the Institute of Medicine's Roundtable on Health Literacy convened a 1-day public workshop to assess the progress made in the field of health literacy over the past decade, the current state of the field, and the future of health literacy at the local, national, and international levels. Health Literacy: Past, Present, and Future summarizes the presentation and discussion of the workshop.