NIEM 5.1 beta 1 is now available! See the NIEM-Releases page for details.
The National Information Exchange Model (NIEM) is a community-driven, 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. This site provides information and resources to help the community use NIEM.