This book constitutes the refereed proceedings of the international competition aimed at the evaluation and assessment of Ambient Assisted Living, EvAAL 2013, which was organized in three major events: the International Competition on Indoor Localization and Tracking for Ambient Assisted Living, which took place in Madrid, Spain, in July 2013; the International Competition on Activity Recognition for Ambient Assisted Living, which took place in Valencia, Spain, in July 2013; and the Final Workshop, which was held in Norrk?ping, Sweden, in September 2013. The papers included in this book describe the organization and technical aspects of the competitions, and provide a complete technical description of the competing artefacts and report on the experience lessons learned by the teams during the competition.