Demographics and diagnoses

Data summary tables

Use the links below to display tables summarizing the demographics and diagnosis 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: