Reference DataSTD_2001v1

ISO 3166-1 Country Code Standard

Ensures all country data uses the standardized two-letter (alpha-2) codes as defined by the International Organization for Standardization.

Owner: Unassigned
Updated: 10/31/2025
Business Rule

Standardized country codes are essential for accurate logistics, regulatory compliance, and sales territory analysis. Prevents ambiguity from using names like 'Holland' vs. 'The Netherlands'.

Technical Implementation
Field must be a valid two-letter code from the official ISO 3166-1 alpha-2 list. Use a dropdown list in UIs and validate against a reference table.
Examples
Good practices vs common violations
Good Examples

US

DE

CN

Poor Examples (Violations)

USA

Germany

China

Additional Information
Target Industries
All
Status
active
Local Network
DQ Improvements
Data quality dimensions improved by this standard
Completeness (Data values of an attribute)
high

The degree to which all required data values of an attribute are present.

Type: prevents

Validity
high

The degree to which data values comply with rules.

Type: prevents

Quick Stats
Related KPIs0
DQ Improvements2
Versionv1
API Access
GET /api/standards/iso-3166-1-country-code-standard