Editing Country code (section)

===Other general-purpose systems===
* '''[[List of FIPS country codes|FIPS country codes]]''': [[Federal Information Processing Standard]] (FIPS) [[FIPS 10-4|10-4]] defined two-letter codes used by the [[U.S. government]] and in the [[CIA World Factbook]]. On September 2, 2008, FIPS 10-4 was one of ten standards withdrawn by [[NIST]] as a Federal Information Processing Standard.<ref>{{cite journal |journal= Federal Register |date= Sep 2, 2008 |volume= 73 |issue= 170 |page= 51276 |id= E8-20138 |url= https://www.federalregister.gov/documents/2008/09/02/E8-20138/announcing-approval-of-the-withdrawal-of-ten-federal-information-processing-standards-fips |title= Announcing Approval of the Withdrawal of Ten Federal Information Processing Standards (FIPS) }}</ref>
* '''[[GOST 7.67]]''': country codes in [[Cyrillic]] from the [[GOST]] standards committee.
* '''[[List of NATO country codes|NATO country codes]]''': [[North Atlantic Treaty Organization]] (NATO) initially used two-letter codes largely borrowed from the FIPS 10-4 codes mentioned above. In 2003, the eighth edition of the Standardisation Agreement ([[STANAG]]) adopted the ISO 3166 three-letter codes with one exception (the code for Macedonia). With the ninth edition, NATO is transitioning to four- and six-letter codes based on ISO 3166 with a few exceptions and additions.
* The '''[[First-level NUTS of the European Union|first-level]]''' of the [[Nomenclature of Territorial Units for Statistics]] of the [[European Union]], mostly focusing on EU member states.
* '''[[List of UNDP country codes|UNDP country codes]]''', used by the [[United Nations Development Programme]] (UNDP).
* '''[[World Area Codes]]''', used by the [[Bureau of Transportation Statistics]], part of the [[United States Department of Transportation]].