The National Alzheimer’s Coordinating Center (NACC) functions as the centralized data repository, and collaboration and communication hub, for the National Institute on Aging’s (NIA) Alzheimer’s Disease Research Centers (ADRC) Program.
Request data
Submit data
Submit data via the
ADRC Portal
(NACC account required)
Data Freeze
Recent: June 2026
Next: September 2026
Connect, Learn & Collaborate
NACC collects data from 37 active ADRCs across 25 states
NACC is home to one of the largest, oldest, and most powerful Alzheimer’s disease datasets, built in collaboration with more than 42 Alzheimer’s Disease Research Centers (ADRCs) throughout the US over the past 25+ years. We are on a mission to modernize data collection, integration, and sharing to advance Alzheimer’s Disease and related dementias (AD/ADRD) research.
All NACC data is freely available to researchers.
About NACC Data
56,000+
Participants with Data at NACC
(20,000+ active participants)
217,000
Clinical Assessments
1-20 per participant (median=3)
8,700+
Neuropathology Exams
from 58% of deceased participants
15,000+
MRI & PET Participants
1-14 exams per participant
1,600+
Published Studies
using NACC data
37
Alzheimer's Disease Research Centers
contributing data across 25 states
Getting Started with NACC
ADRC Portal: Your Center’s Gateway to NACC Data Tools
The ADRC Portal provides secure, Center-specific tools to manage participant data and streamline UDSv4 submissions. Designed for secure, flexible, and easy-to-use access to multimodal data pipelines.
NACC Data and Research Tools
The NACC Data Front Door offers streamlined access to one of the world’s largest longitudinal AD/ADRD datasets. Researchers can search, visualize, and request curated multimodal data—linking clinical, imaging, genetic, and biomarker information across the ADRC network.
Upcoming Events and Webinars
Stay informed and connected through upcoming NACC-hosted webinars, workshops, and ADRC community events. Learn about new tools, hear implementation updates, and engage directly with experts across the AD/ADRD research network.
Join the fight against Alzheimer’s
Discover how you can make a difference and support Alzheimer’s research.