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People-Driven Data To Promote Positive Change

National Core Indicators® - Intellectual and Developmental Disabilities (NCI®-IDD) is a national effort to measure and improve the performance of public developmental disabilities agencies.
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Our Reports

In-Person Survey (IPS)

The NCI-IDD In-Person Surveys (IPS) are conversations with adults receiving case management and at least one paid service from the state.
Access all reports and resources published by NCI-IDD Understand COVID-19's impact on the direct support professionals workforce

Family Surveys

Three Family Surveys are administered nationwide to understand the experiences of adults and children with intellectual and development disabilities living in their family's home, and their family members providing services.
Access all reports and resources published by NCI-IDD Understand COVID-19's impact on the direct support professionals workforce

State of the Workforce Survey

The NCI-IDD State of the Workforce Survey is completed by representatives of agencies supporting adults with IDD to learn more about the wages, benefits and concerns of the professional direct care workforce.

Data for Action

Check out the 2020-21 National NCI-IDD In-Person Survey and Family Survey User Friendly Reports. These reports, designed together with self-advocates, highlight topic-specific data in an accessible, easy-to-read format.
Access all reports and resources published by NCI-IDD Understand COVID-19's impact on the direct support professionals workforce

Our Motivation

For more than two decades, NCI-IDD data has been used to improve practice at the state and federal levels, as well as shape policy and inform strategic planning for stakeholders in IDD supports and services.

Featured Artist

Emmanuel Preston
Emmanuel's art (shown on right) has been featured in our latest State of the Workforce/Staff Stability Survey report.

The How

From utilizing resources to joining the collaborative, we'd love to welcome you as a partner in our efforts to transform the nation's IDD services and supports.

Learn more about how it works

How It Works
How We Gather Data
Participating States
How To Use Data

How to Engage

For States
For Researchers
For Families & Individuals
For Service Providers

What's New

Check out the latest news and data releases from NCI-IDD and our partners.
What’s New
New! Frequently Asked Questions about National Core Indicators
NCI-IDD 2022-23 Child Family Survey (CFS) Phone Mode Pilot Report
What’s New