ISO 3166-1:2020
Codes for the representation of names of countries and their subdivisions — Part 1: Country code
This document specifies basic guidelines for the implementation and maintenance of country codes.
This code is intended for use in any application requiring the expression of current country names in coded form.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles for inclusion in the list of country names
4.1 List
4.2 Source of names
4.3 Overlaps
4.4 Current status of names
4.5 Independent countries
5 Principles for assigning code elements
5.1 Code element formation
5.2 Relationship with names
5.3 Construction of the alpha-2 code
5.4 Construction of the alpha-3 code
5.5 Construction of the num-3 code
5.6 Alternate algorithmic construction of the numeric code num-4
6 List of country names and their code elements
6.1 Specification for use
6.2 Content of the list
6.3 Choice of language, romanization, character set
7 Maintenance
7.1 Maintenance Agency (ISO 3166/MA)
7.2 Standard as a database — Change of paradigm
7.3 Addition to the list of country names
7.4 Deletion from the list of country names
7.5 Alterations to country name or code element
7.6 Reservation of country code elements
7.6.1 Overview
7.6.2 Period of non-assignment
7.6.3 Period of non-use
7.6.4 Exceptionally reserved code elements
7.6.5 List of reserved code elements
8 Guidelines for users
8.1 Special provisions
8.2 Aggregations
8.3 User assigned code element
8.4 Advice regarding use of country code elements
Annex A (informative) Algorithm for numerical representation, num-4, of ISO 3166 alpha-2 country code elements
Annex B (informative) Conversion matrix for the numerical representation of ISO 3166 alpha-2 country code elements
Annex C (informative) Conversion table from alpha-2 country codes elements of ISO 3166 standard to num-3 code element of the UNSD
Annex D (informative) List of ISO 639 language codes, alpha-2 and alpha-3, used in the ISO 3166 standard of country codes
Annex E (normative) Alphabetical index of names from the list of country codes appearing in the remarks, corresponding to "territory names", or forming the second significant part of composite country names
Annex F (informative) Principles for minor modification to the short form of country name received from UNTERM, allowing for display in alphabetic order
Annex G (informative) Source of names — Procedures concerning official full country names at UNTERM, confirmed by UNTERM to ISO 3166/MA on 2019-03-07
Annex H (normative) OBP Labels
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles for inclusion in the list of country names
4.1 List
4.2 Source of names
4.3 Overlaps
4.4 Current status of names
4.5 Independent countries
5 Principles for assigning code elements
5.1 Code element formation
5.2 Relationship with names
5.3 Construction of the alpha-2 code
5.4 Construction of the alpha-3 code
5.5 Construction of the num-3 code
5.6 Alternate algorithmic construction of the numeric code num-4
6 List of country names and their code elements
6.1 Specification for use
6.2 Content of the list
6.3 Choice of language, romanization, character set
7 Maintenance
7.1 Maintenance Agency (ISO 3166/MA)
7.2 Standard as a database — Change of paradigm
7.3 Addition to the list of country names
7.4 Deletion from the list of country names
7.5 Alterations to country name or code element
7.6 Reservation of country code elements
7.6.1 Overview
7.6.2 Period of non-assignment
7.6.3 Period of non-use
7.6.4 Exceptionally reserved code elements
7.6.5 List of reserved code elements
8 Guidelines for users
8.1 Special provisions
8.2 Aggregations
8.3 User assigned code element
8.4 Advice regarding use of country code elements
Annex A (informative) Algorithm for numerical representation, num-4, of ISO 3166 alpha-2 country code elements
Annex B (informative) Conversion matrix for the numerical representation of ISO 3166 alpha-2 country code elements
Annex C (informative) Conversion table from alpha-2 country codes elements of ISO 3166 standard to num-3 code element of the UNSD
Annex D (informative) List of ISO 639 language codes, alpha-2 and alpha-3, used in the ISO 3166 standard of country codes
Annex E (normative) Alphabetical index of names from the list of country codes appearing in the remarks, corresponding to "territory names", or forming the second significant part of composite country names
Annex F (informative) Principles for minor modification to the short form of country name received from UNTERM, allowing for display in alphabetic order
Annex G (informative) Source of names — Procedures concerning official full country names at UNTERM, confirmed by UNTERM to ISO 3166/MA on 2019-03-07
Annex H (normative) OBP Labels
Bibliography