Welcome to the National Center for Charitable Statistics
NCCS is a research center and open data platform dedicated to advancing the knowledge and understanding of the nonprofit and charitable sector.
NCCS is part of the Center on Nonprofits and Philanthropy at The Urban Institute
Datasets
The data catalog contains a broad array of data on the nonprofit sector including IRS 990 tax data, survey panels, and political action committees.
Census Crosswalks
A framework for seamlessly adding census data to your nonprofit panel.
NCCS Core Series
A comprehensive panel of nonprofit organizations that file IRS form 990.
990 Metadata
Discrete metadata files that describe other IRS 990 datasets and can be linked to enhance them or used in sampling frameworks.
Form 990-N ePostcard Filers
A database of small nonprofits that do not file full 990 forms.
Pub78 - Nonprofits Eligible to Receive Tax Deductible Donations
The catalog of all nonprofits currently eligiable to receive tax-deductible donations.
Revocations Database
Database of all nonprofit entities that have had their tax exemmpt status revoked.
Business Master File (BMF)
All active organizations that have been granted nonprofit status by the IRS.
IRS 990 Efilers
The most comprehensive data source for 990 filers from 2012-2022.
Getting Started with NCCS Data
Learn more about the NCCS data series through the research handbook.
NCCS Research GuideStory Sample
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Project Sample Fourth
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Brief Sample A Third Time
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Project Sample First Feature
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