TS EN ISO 3166-1

TS EN ISO 3166-1 addresses the coded representation of country names and, in the broader ISO 3166 family, the related naming of subdivisions. It provides a common framework for identifying countries in a compact and consistent way, which is valuable in data exchange, documentation, trade, statistics, and information systems.

In general technical terms, ISO 3166-1 is built around the idea that a country can be represented by standardized codes rather than by a written name alone. That helps reduce ambiguity caused by language differences, spelling variation, and naming conventions across databases and documents. The practical value is consistency: the same code can be used even when a country’s name is written differently in different languages.

How coded country representation supports consistent data use

The scope of this standard is the coding of names for countries and their subdivisions, meaning it focuses on structured identifiers that can replace or supplement full names in records. In practice, such codes are widely used in address data, customs and logistics, cataloguing, and international reporting. Country codes and subdivision codes serve different levels of geographic reference: one identifies the country, while the other refers to a smaller administrative unit within it.

• Provides a standardized way to represent countries and subdivisions with codes instead of names alone.
• Helps reduce ambiguity caused by multilingual naming and spelling differences.
• Supports consistent values in databases, forms, and international data exchange.
• Works as part of a broader geographic identification framework rather than a simple name list.

This listing is based on the 2013 edition of ISO 3166-1. As a coding standard, its core value is to define a shared method for representing country names, not to serve as a vocabulary of country names themselves.