ISO 3166-1
ISO 3166-1 is part of the ISO 3166 standard published by the International Organization for Standardization (ISO), and defines codes for the names of countries, dependent territories, and special areas of geographical interest. The official name of the standard is Codes for the representation of names of countries and their subdivisions – Part 1: Country codes. It defines three sets of country codes:1
- ISO 3166-1 alpha-2 – two-letter country codes which are the most widely used of the three, and used most prominently for the Internet's country code top-level domains (with a few exceptions).
- ISO 3166-1 alpha-3 – three-letter country codes which allow a better visual association between the codes and the country names than the alpha-2 codes.
- ISO 3166-1 numeric – three-digit country codes which are identical to those developed and maintained by the United Nations Statistics Division, with the advantage of script (writing system) independence, and hence useful for people or systems using non-Latin scripts.
The alphabetic country codes were first included in ISO 3166 in 1974, and the numeric country codes were first included in 1981. The country codes have been published as ISO 3166-1 since 1997, when ISO 3166 was expanded into three parts to include codes for subdivisions and former countries.2
As a widely used international standard, ISO 3166-1 is implemented in other standards and used by international organizations,3 to allow facilitation of the exchange of goods and information.4 However, it is not the only standard for country codes. Other country codes used by many international organizations are partly or totally incompatible with ISO 3166-1,5 although some of them closely correspond to ISO 3166-1 codes.
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Criteria for inclusion
Currently 246 countries, territories, or areas of geographical interest are assigned official codes in ISO 3166-1. According to the ISO 3166 Maintenance Agency (ISO 3166/MA), the only way to enter a new country name into ISO 3166-1 is to have it registered in one of the following two sources:6
- United Nations Terminology Bulletin Country Names, or
- Country and Region Codes for Statistical Use of the UN Statistics Division.
To be listed in the bulletin Country Names, a country must be at least one of the following:
- A member state of the United Nations
- A member of one of its specialized agencies
- A party to the Statute of the International Court of Justice
The list of names in Country and Region Codes for Statistical Use of the UN Statistics Division is based on the bulletin Country Names and other UN sources.
Once a country name or territory name appears in either of these two sources, it will be added to ISO 3166-1 by default.
Information included
ISO 3166-1 is published officially in both English and French. Since the second edition of ISO 3166-1, the following columns are included for each entry:
- COUNTRY NAME English (or French) short name
- English (or French) short name lower case
- English (or French) full name
- Alpha-2 code
- Alpha-3 code
- Numeric code
- Remarks
- Independent (# denotes the country is considered a sovereign state)
- Additional information: Administrative language(s) alpha-2 code element(s)
- Additional information: Administrative language(s) alpha-3 code element(s)
- Additional information: Local short name(s)
Current codes
Officially assigned code elements
The following is a complete ISO 3166-1 encoding list of the countries which are assigned official codes. It is listed in alphabetical order by the English short country names officially used by the ISO 3166/MA, which are all from United Nations sources.7
Some of the country names used by the ISO are subject to dispute. The Republic of Macedonia is listed as "Macedonia, the former Yugoslav Republic of" because of the Macedonia naming dispute, following the provisional reference used by the United Nations. Taiwan is listed as "Taiwan, Province of China" because of its political status within the United Nations, as even though it is de facto under the jurisdiction of the Republic of China instead of the People's Republic of China, the United Nations does not recognize the Republic of China and considers Taiwan as part of China.8 In response, the Republic of China has filed a lawsuit against the ISO over this reference.9
Click on the button in the header to sort each column. For more information on each country and the assignment of its code elements, click on its alpha-2 code.
Reserved and user-assigned code elements
Besides the officially assigned codes, code elements may be expanded by using either reserved codes or user-assigned codes.11
Reserved code elements are codes which have become obsolete, or are required in order to enable a particular user application of the standard but do not qualify for inclusion in ISO 3166-1. To avoid transitional application problems and to aid users who require specific additional code elements for the functioning of their coding systems, the ISO 3166/MA, when justified, reserves these codes which it undertakes not to use for other than specified purposes during a limited or indeterminate period of time. Codes are usually reserved for former countries, overseas territories, international organizations, and special nationality status. The reserved alpha-2 and alpha-3 codes can be divided into the following four categories (click on the links for the reserved codes of each category):
- Alpha-2: exceptional reservations, transitional reservations, indeterminate reservations, and codes currently agreed not to use
- Alpha-3: exceptional reservations, transitional reservations, indeterminate reservations, and codes currently agreed not to use
- Numeric: no reserved codes
User-assigned code elements are codes at the disposal of users who need to add further names of countries, territories, or other geographical entities to their in-house application of ISO 3166-1, and the ISO 3166/MA will never use these codes in the updating process of the standard. The following codes can be user-assigned:
- Alpha-2: AA, QM to QZ, XA to XZ, and ZZ
- Alpha-3: AAA to AAZ, QMA to QZZ, XAA to XZZ, and ZZA to ZZZ
- Numeric: 900 to 999
Changes
The ISO 3166/MA updates ISO 3166-1 when necessary, by announcing changes in newsletters which update the currently valid standard, and releasing new editions which comprise a consolidation of newsletter changes.12 A country is usually assigned new ISO 3166-1 codes if it changes its name or its territorial boundaries. In general, new alphabetic codes are assigned if a country changes a significant part of its name, while a new numeric code is assigned if a country changes its territorial boundaries. Codes for formerly used country names that were deleted from ISO 3166-1 are published in ISO 3166-3.
| Edition / Newsletter |
Publication date | Contents |
|---|---|---|
| ISO 3166:1974 | 1974 | First edition of ISO 3166 |
| ISO 3166:1981 | 1981 | Second edition of ISO 3166 |
| ISO 3166:1988 | 1988 | Third edition of ISO 3166 |
| ISO 3166:1993 | 1993 | Fourth edition of ISO 3166 |
| ISO 3166-1:1997 | 1997-09-25 | First edition of ISO 3166-1 (ISO 3166 expanded into three parts) |
| Newsletter V-1 | 1998-02-05 | Change of official name (Samoa) |
| Newsletter V-2 | 1999-10-01 | Inclusion of new country name and code elements (Palestinian Territory, Occupied) |
| Newsletter V-3 | 2002-02-01 | Change of alpha-3 Code Element (Romania) |
| Newsletter V-4 | 2002-05-20 | Name changes (Afghanistan, Azerbaijan, Bahrain, Bosnia and Herzegovina, Fiji, Hong Kong, Kazakhstan, Kiribati, Macao, Niue, Somalia, and Venezuela) |
| Newsletter V-5 | 2002-05-20 | Change of names and alphabetical code elements of East Timor |
| Newsletter V-6 | 2002-11-15 | Change of names of East Timor |
| Newsletter V-7 | 2003-01-14 | Change of official name of Comoros |
| Newsletter V-8 | 2003-07-23 | Deletion of "Yugoslavia"; inclusion of "Serbia and Montenegro" with new alphabetical code elements |
| Newsletter V-9 | 2004-02-13 | Inclusion of an entry for Åland Islands |
| Newsletter V-10 | 2004-04-26 | Name changes (Afghanistan and Åland Islands) |
| Newsletter V-11 | 2006-03-29 | Inclusion of an entry for Jersey, Guernsey and Isle of Man. Change of remark for the United Kingdom |
| Newsletter V-12 | 2006-09-26 | Inclusion of the new entries for "Serbia" and "Montenegro" (replacing Serbia and Montenegro) |
| ISO 3166-1:2006 | 2006-11-20 | Second edition of ISO 3166-1 |
| ISO 3166-1:2006/ Cor 1:2007 |
2007-07-15 | First Technical Corrigendum to ISO 3166-1:2006 |
| Newsletter VI-1 | 2007-09-21 | Assignment of code elements for Saint Barthélemy and Saint Martin and update of France and other French Territories (French Polynesia, French Southern Territories, Guadeloupe, and Réunion) |
| Newsletter VI-2 | 2008-03-31 | Name changes for Moldova, Montenegro and other minor corrections (Madagascar, Palestinian Territory, Occupied, and Saint Barthélemy) |
| Newsletter VI-3 | 2008-09-09 | Name change for Nepal and other minor corrections (Greenland, Guernsey, Moldova, and Nigeria) |
| Newsletter VI-4 | 2009-01-07 | Name change for the Republic of Moldova and other minor corrections (Central African Republic and Comoros) |
| Newsletter VI-5 | 2009-03-03 | Name change for Bolivarian Republic of Venezuela and other minor corrections (Kiribati and Tuvalu) |
| Newsletter VI-6 | 2009-05-08 | Name change for Plurinational State of Bolivia |
| Newsletter VI-7 | 2010-02-22 | Name change for Saint Helena, Ascension and Tristan da Cunha |
See also
- ISO 639 – Codes for the representation of names of languages
References
- ^ "ISO 3166 – FAQs – General questions". International Organization for Standardization (ISO). http://www.iso.org/iso/country_codes/iso_3166-faqs/iso_3166_faqs_general.htm.
- ^ "Development of ISO 3166". ISO. http://www.iso.org/iso/country_codes/background_on_iso_3166/development_of_iso_3166.htm.
- ^ "Implementation of ISO 3166-1". ISO. http://www.iso.org/iso/country_codes/background_on_iso_3166/implementation_of_iso_3166-1.htm.
- ^ "You and ISO 3166". ISO. http://www.iso.org/iso/country_codes/background_on_iso_3166/you_and_iso_3166.htm.
- ^ "Links". ISO. http://www.iso.org/iso/country_codes/links_iso_3166.htm.
- ^ "ISO 3166-1 and ccTLDs". ISO. http://www.iso.org/iso/country_codes/background_on_iso_3166/iso_3166-1_and_cctlds.htm.
- ^ "ISO 3166 and the UN". ISO. http://www.iso.org/iso/country_codes/background_on_iso_3166/iso_3166_and_the_un.htm.
- ^ "ISO 3166 – FAQs – Specific". ISO. http://www.iso.org/iso/country_codes/iso_3166-faqs/iso_3166_faqs_specific.htm.
- ^ "Taiwan sues ISO over incorrect reference". Taipei Representative Office in the UK. http://www.roc-taiwan.org/UK/ct.asp?xItem=41952&ctNode=932&mp=132&nowPage=6&pagesize=15.
- ^ "English country names and code elements". ISO. http://www.iso.org/iso/country_codes/iso_3166_code_lists/english_country_names_and_code_elements.htm.
- ^ "Customizing ISO 3166-1". ISO. http://www.iso.org/iso/country_codes/background_on_iso_3166/customizing_iso_3166-1.htm.
- ^ "Updates on ISO 3166". ISO. http://www.iso.org/iso/country_codes/updates_on_iso_3166.htm.
Sources and external links
- ISO 3166 Maintenance Agency, International Organization for Standardization (ISO)
- Standard Country or Area Codes for Statistical Use, United Nations Statistics Division
- Countries or areas, codes and abbreviations — list of alpha-3 and numeric codes (a few territories officially assigned codes in ISO 3166-1 are not included in this list)
- Appendix D – Cross-Reference List of Country Data Codes, from The World Factbook (public domain), Central Intelligence Agency — comparison of FIPS 10, ISO 3166, and STANAG 1059 country codes
- Country codes, Statoids.com — comparison of many country codes
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