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Best of NIEM 2021

The Best of NIEM 2021 awards recognize those NIEM implementation projects demonstrating significant accomplishment and making noteworthy contributions to NIEM’s use, growth, and adoption.

NIEM 5.1 Release is Available for download

The NIEM 5.1 minor release  is available for download. Minor releases allow for domain-related content changes only.  The NIEM Core and Architecture are updated during major release which occur on a 3 year cycle. 

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

  • NIEM Version 5.1 Release is Now Available

    NIEM version 5.1 is now available for download and use. This release is the latest version of the NIEM common vocabulary that enables efficient information exchanges across diverse public and private organizations. NIEM 5.1 is a minor release that incorporates content identified since the NIEM 5.0 major release was published in October 2020. Highlights of NIEM 5.1 include: Biometrics domain...

  • NIEM Technical Deep-Dive Distance Learning Now Available

    The NIEM Management Office (NMO) is pleased to announce that we will be hosting three half-day training sessions beginning on January 11, 2022. These sessions will be conducted by our very knowledgeable lead development team and are meant for individuals who want a deep dive into the technical details of NIEM, typically developers and implementers. Participants should expect to attend...

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