When is the Mental Health Index updated? Data Team March 10, 2022 18:55 Updated The 2021 Mental Health Index was updated in March 2022 and updates annually. Related articles How do I cite the Mental Health Index in a report? Why can’t I see the Mental Health Index values for past years? Where can I find more details on the methodology used to create the Mental Health Index? Can I obtain values for the component indicators for the Mental Health Index? Has the Mental Health Index been validated?