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NIEM 5.0 Major Release

This release underscores NIEM’s value as a force multiplier in enabling secure, scalable enterprise-level data interoperability across diverse, complex systems & organizations. 

Strategic Initiatives

NIEM evolves with community needs and technology trends. Find out how we are pursuing several Strategic Initiatives to simplify use, embrace emerging technologies, and welcome new communities.

What is NIEM?

NIEM is a common vocabulary that enables efficient information exchange across diverse public and private organizations. NIEM can save time and money by providing consistent, reusable data terms and definitions, and repeatable processes.

Learn More

Download Current Release

Check out the latest version and release history on our Github.

Explore Training

Providing our developer community with resources to help use NIEM.

View Success Stories

Participating organizations & agencies leveraging the power of NIEM.

Browse Tool Catalog

An inventory of tools to support developers and implementers alike.

Latest News

  • Announcing NIEM JSON Specification Version 5.0 release candidate 2 Available for Public Comment

    The NIEM JSON Specification, Version 5.0 release candidate 2 (RC2) is available for public review and comment through Thursday, May 13. Please visit the NIEM Specifications page to view the RC2 specification and to provide feedback. This is the final stage before we officially publish the final NIEM JSON Specification version 5.0. At this point in the release cycle, we...

  • Announcing NIEM JSON Specification Version 5.0 release candidate 1 Available for Public Comment

    The NIEM JSON Specification, Version 5.0 release candidate 1 (RC1) is available for public review and comment through Friday, April 30. Please visit the NIEM Specifications page to view the RC1 specification and to provide feedback. This is the final stage before we officially publish the final NIEM JSON Specification version 5.0. At this point in the release cycle, we...

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