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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

  • NIEM Opens Best of NIEM 2021 Nominations

    The National Information Exchange Model (NIEM) is pleased to announce the Best of NIEM 2021 Award nominations are now open. Each year, the Best of NIEM Award recognizes NIEM implementation projects demonstrating noteworthy contributions to the use, growth, and adoption of NIEM. The Best of NIEM 2021 Award nomination form with instructions is available for download. To learn more about...

  • NIEM Announces JSON Specification Version 5.0's Final Release

    The National Information Exchange Model (NIEM) is pleased to announce the final release of the NIEM JavaScript Object Notation (JSON) Specification v.5.0. This release marks NIEM’s adoption of JSON as the second standard format for representing data based on the NIEM data model. This release establishes the technical basis for using JSON as a data format for exchange of information...

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