The World Alzheimer Report 2015, The Global Impact of Dementia: An analysis of prevalence, incidence, cost and trends updates ADI's global dementia data. By carrying out a full update of previous systematic reviews, the report makes key recommendations to provide a global framework for action on dementia.

The report also includes a systematic review of the evidence for and against recent trends in the prevalence and incidence of dementia over time, as well as an analysis of the broader societal impact of dementia.