From 2004 to present, the Age IAT was available on the Project Implicit Canada website (https://implicit.harvard.edu/implicit/canada/selectatest.jsp - English version, Click on “Age” to try it yourself or https://implicit.harvard.edu/implicit/canadafr/selectatest.jsp - French version). The Age IAT includes one standard IAT (Good vs. Bad; Young vs. Old), sets of explicit measures on attitudes related to age (such as preference for old people and young people etc.), set of demographic questions (age, gender, race, major, political identity, etc.), and debriefing questions about how respondents thought about their IAT score after the task. From 2004 to the end of 2016 (English version), there are 49,253 session IDs created for the Age IAT, and the overall completion rate is around 44.8%. There are 26,348 respondents who completed the standard IAT part of the task, which is 53.4% of the total respondents. From 2006 to the end of 2016 (French version), there are 3,749 session IDs created for the Age IAT, and the overall completion rate is around 49%. There are 2,218 respondents who completed the standard IAT part of the task, which is 59.2% of the total respondents. Please contact Project Implicit at admin@projectimplicit.net for any question, comment or zip code data request.