The purpose of this report is to provide a comprehensive summary of disability definitions and measurement approaches in the Canadian context. It does so by presenting background information on the history of disability measurement in Canada, while also examining different disability measurement tools and data sources available at Statistics Canada. Additionally, it will explore who is captured within each measure by certain disability and sociodemographic characteristics. Comparing the various measurement tools can highlight important differences on how disability is identified across surveys, data sources and situations. The insights gained in this area can be used to provide users with relevant contextual information, including caveats for their analyses.