NIEM 5.1 is a minor release, published December 2021. This is the most current NIEM release.
Download the full release package as a zip file
View schemas and documentation on release.niem.gov or GitHub
Use online tools to explore the contents of NIEM 5.1:
Schema Subset Generation Tool (SSGT) - search or build XML schema subsets for use in IEPDs
Movement - search elements
Download the component spreadsheet or the code spreadsheet to explore the contents of NIEM 5.1 in Excel
See the Community Activities section on this site for additional information about this release:
Sample XML instances and schema from the Biometrics domain.
An overview and the development methodology from the new Cyber domain.
The following is a summary of the major changes made in this release. More details are available from the 5.1 issues in the NIEM Releases issue tracker, and the change log spreadsheet in the release package.
The following are the NIEM specifications that can be used with this release:
The NIEM Naming and Design Rules specifies the data model XML Schema components and XML data for use with the National Information Exchange Model (NIEM). Learn more...
The NIEM Information Exchange Package Documentation (IEPD) Specification specifies normative rules and non-normative guidance for building NIEM information exchange messages. It defines IEPD artifacts like subset schemas, extension schemas, and MPD catalogs; and recommends how the package should be structured. Learn more...
The NIEM JSON Specification establishes the technical basis for using JavaScript Object Notation (JSON) as a data format for exchange of information consistent with NIEM-conformant schemas and information exchange package documentations (IEPDs). Learn more...
The NIEM Conformance Specification introduces the idea of NIEM conformance and provides a general normative definition for its meaning, how it applies, and to what it does and does not apply. It describes the benefits of conformance, and refers to sources of information, tools, and help. Learn more...
The Code Lists Specification adds support for new capabilities of NIEM code lists beyond the basic enumeration representations provided by XML and JSON schema. Key features include the definition of codes in CSV or Genericode files, dynamic code lists via run-time binding, and multi-column code table support. Learn more...
The Conformance Targets Attribute Specification (CTAS) defines how NIEM XML documents indicate what kind of artifact they are through the use of a conformance targets attribute. Learn more...
The NIEM High-Level Version Architecture (HLVA) Specification identifies the processes, artifacts, and responsibilities required to produce new releases of the NIEM model. It also establishes a regular release cycle for predictable and manageable NIEM updates. Learn more...
The following are some basic statistics for the 5.1 release.
| Details | Group | Prefix | Name | Properties | Types | Codes |
|---|---|---|---|---|---|---|
| Core | 1,810 | 282 | 101 | |||
| Core | nc | NIEM Core | 1,810 | 282 | 101 | |
| Domain | 10,467 | 2,856 | 11,096 | |||
| Domain | ag | Agriculture | 64 | 8 | ||
| Domain | biom | Biometrics | 1,094 | 630 | 1,409 | |
| Domain | cbrn | Chemical, Biological, Radiological, and Nuclear | 592 | 137 | ||
| Domain | cyber | Cyber | 268 | 119 | 260 | |
| Domain | em | Emergency Management | 950 | 366 | 1,240 | |
| Domain | hs | Human Services | 806 | 275 | 1,048 | |
| Domain | im | Immigration | 445 | 94 | 1,388 | |
| Domain | intel | Intelligence | 56 | 14 | ||
| Domain | ip | Infrastructure Protection | 31 | 8 | 3 | |
| Domain | it | International Trade | 530 | 90 | ||
| Domain | j | Justice | 3,953 | 489 | 361 | |
| Domain | m | Maritime | 333 | 47 | 180 | |
| Domain | mo | Military Operations | 704 | 275 | 1,298 | |
| Domain | scr | Screening | 577 | 253 | 3,731 | |
| Domain | st | Surface Transportation | 64 | 51 | 178 | |
| Adapter | 14 | 16 | ||||
| Adapter | edxl-cap | EDXL Common Alerting Protocol | 1 | 1 | ||
| Adapter | edxl-de | EDXL Distribution Element | 1 | 1 | ||
| Adapter | edxl-have | EDXL Hospital Availability Exchange | 1 | 1 | ||
| Adapter | geo | Geospatial | 11 | 13 | ||
| Auxiliary | 543 | 148 | 173 | |||
| Auxiliary | cui | Controlled Unclassified Information metadata | 23 | 15 | 166 | |
| Auxiliary | stat | Statistics | 520 | 133 | 7 | |
| Code Set | 142 | 1,068 | 79,957 | |||
| Code Set | aamva_d20 | Data Dictionary for Traffic Record Systems (ANSI D20) codes | 92 | 743 | ||
| Code Set | ag_codes | Agriculture domain codes | 62 | 79 | ||
| Code Set | apco | Association of Public-Safety Communications Officials (APCO) codes | 8 | 206 | ||
| Code Set | atf | Bureau of Alcohol, Tobacco, and Firearms (ATF) codes | 8 | 98 | ||
| Code Set | bls | US Bureau of Labor Statistics (BLS) codes | 5 | 10 | 1,455 | |
| Code Set | can | Canada Post codes | 3 | 6 | 174 | |
| Code Set | cbrncl | CBRN domain codes | 131 | 2,435 | ||
| Code Set | commodity | Standard Classification of Transported Goods (SCTG) Commodity Codes | 5 | 10 | 614 | |
| Code Set | dea | Drug Enforcement Administration (DEA) Controlled Substances codes | 3 | 6 | 553 | |
| Code Set | edxl_rm | Emergency Data Exchange Language (EDXL) Resource Messaging codes | 4 | 24 | ||
| Code Set | fema | Federal Emergency Management Agency (FEMA) codes | 20 | 77 | ||
| Code Set | fips | Federal Information Processing System (FIPS) state and county codes | 3 | 6 | 9,711 | |
| Code Set | genc | Geopolitical Entities, Names, and Codes (GENC) codes | 4 | 8 | 6,063 | |
| Code Set | have-codes | EDXL Hospital AVailability Exchange (HAVE) codes | 24 | 43 | ||
| Code Set | hazmat | DOT Hazardous Materials (HAZMAT) codes | 1 | 2 | 2,458 | |
| Code Set | hl7 | Health Level Seven (HL-7) religion codes | 1 | 2 | 82 | |
| Code Set | iso_3166 | ISO 3166 country and subdivision codes | 4 | 8 | 5,698 | |
| Code Set | iso_4217 | ISO 4217 currency codes | 1 | 2 | 179 | |
| Code Set | iso_639-3 | ISO 639-3 language codes | 1 | 2 | 7,893 | |
| Code Set | itcodes | International Trade domain codes | 44 | 2,219 | ||
| Code Set | jc3iedm | DoD Joint Consultation, Command and Control Information Exchange Data Model (JC3IEDM) codes | 2 | 4 | 364 | |
| Code Set | jp2-0 | DoD Joint Publication 2.0 (JP 2-0) - Joint Intelligence codes | 1 | 2 | 11 | |
| Code Set | jp3-52 | DoD Joint Publication 3-52 (JP3-52) Joint Airspace Control codes | 3 | 5 | 117 | |
| Code Set | mmucc | Model Minimum Uniform Crash Criteria (MMUCC) codes | 146 | 700 | ||
| Code Set | nces | National Center for Education Statistics (NCES) codes | 1 | 2 | 50 | |
| Code Set | ncic | FBI National Crime and Information Center (NCIC) codes | 86 | 176 | 31,307 | |
| Code Set | ndex | FBI National Data Exchange (N-DEx) Specification codes | 176 | 3,643 | ||
| Code Set | nga | National Geospatial Agency (NGA) codes | 1 | 4 | 50 | |
| Code Set | nlets | The International Justice and Public Safety Information Sharing Network (NLETS) codes | 6 | 20 | ||
| Code Set | occs | OMNI Class Building Codes | 5 | 10 | 1,495 | |
| Code Set | opm | US Office of Personnel Management (OPM) codes | 1 | 2 | 22 | |
| Code Set | sar | Suspicious Activity Reporting (SAR) codes | 8 | 76 | ||
| Code Set | stix | Structured Threat Information Expression (STIX) codes | 2 | 18 | ||
| Code Set | ucr | FBI Uniform Crime Reporting (UCR) codes | 44 | 422 | ||
| Code Set | unece | United Nations Economic Commission for Europe (UNECE) Recommendation 20 (UN/CEFACT) measure codes | 7 | 14 | 226 | |
| Code Set | usda_fsa | United Stated Department of Agriculture (USDA) Farm Service Agency (FSA) codes | 4 | 347 | ||
| Code Set | usps | U.S. Postal Service (USPS) codes | 3 | 6 | 276 | |
| Code Set | xCard | vCard XML representation codes | 1 | 2 | 9 | |
| Code Set | xml | XML | ||||
| Total | 12,976 | 4,370 | 91,327 |