Demographics and diagnosis summaries
Use the links below to display tables summarizing the demographics and diagnoses data for NACC's research data sets. The tables are displayed in an easy-to-read, printable, one-page PDF format.
All data presented are as of the most recent data freeze at NACC.
To view more specialized frequency tables and cross-tabulations of NACC data, please explore the NACC web-based query system, or submit a data request: