NIEM Version 5.2 is now available for download. This is the latest version of the NIEM common vocabulary that enables efficient information exchanges across diverse public and private organizations. NIEM Version 5.2 incorporates content identified since the NIEM 5.1 minor release was published in December 2021.
The NIEM Version 5.2 content submissions produced a significant increase in the overall size of the model, growing from approximately 13,000 elements to nearly 19,000 elements. The new Learning and Development domain submitted their initial content to the NIEM model and the U.S. Message Text Format (USMTF) community submitted a substantial contribution to the MilOps domain.
Highlights of NIEM Version 5.2 include:
Learning and Development domain (new):
FIPS county codes:
ISO 639-5 language family codes:
For a complete list of all the changes, release stats, and associated specifications, see the Notes.