Wikipedia:Category names: Difference between revisions

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This page documents an English Wikipedia guideline.

Editors should generally follow it, though exceptions may apply. Substantive edits to this page should reflect consensus. When in doubt, discuss first on the talk page.

[[Category:Wikipedia {{{1}}}s|Category names]]

Category names is a list of guidelines for how to appropriately name categories. Standard article naming conventions also apply; in particular, do not capitalise regular nouns. If you wish to propose a new or modified category related naming convention, please do so on Wikipedia talk:Category names, whilst also publicising the proposal at Wikipedia talk:Naming conventions, Requests for comment, and the Village Pump, as well as at any related pages.

General naming conventions

For a pre-existing category, the article of the same or similar name and (rarely, or) on the same topic should be added to that category. When creating an article one should, only if appropriate (especially horizontally), create a category of the same or similar name on the same topic .
Articles should be placed in the most specific categories possible. Categories should be more or equally as broad as the articles they contain; articles should be more or equally specific as the categories they are in.
Avoid abbreviations. Example: "World War II equipment", not "WW2 equipment".
Don't hard-code the category structure into names. Example: "Monarchs", not "People - Monarchs".
Choose category names that are able to stand alone, independent of the way a category is connected to other categories. Example: "Wikipedia policy precedents and examples", not "Precedents and examples" (a subcategory of "Wikipedia policies and guidelines").
Topical category names should be singular. Examples: "Law", "Civilization"
As with lists avoid descriptive adjectives such as famous, important, or notable in category titles.

Special conventions for lists of items

Category names for lists of items should be plural. Examples: "rivers", "writers".
In instances where a list page simply contains an alphabetical list of items with no other information (for example "List of The Beatles songs") it could be replaced by a category (such as "Category:The Beatles songs").
If the list contains extra information (in this example that could include writing credits, date of release, etc.), or is non-alphabetical (for example sorted by date) it should remain as a list page, rather than a category.
Categories can only list articles that exist and have been assigned to the category. Therefore, comprehensive lists, (such as "List of British Prime Ministers"), which must include all items regardless of whether an article already exists for them, should not be replaced by categories. Similarly, in an area that is not yet well-covered, lists can effectively indicate articles that still need to be written; categories cannot do this.
If there are a lot of lists regarding a particular subject area, it might be useful to have a category to hold them, (such as "Category:Lists of countries"). These categories should only contain list pages (for example "List of Soviet Republics", "List of countries by population"). Please use the pipe trick for category sorting, or all properly named lists will appear under the letter "L".

Note that there are a growing number of instances where both the singular category (listing topics relating to) and plural category (listing instances of) exist, for example, Category:Opera and Category:Operas. Be careful to choose the right one when categorizing articles.

When including the United States in a list of countries, do not abbreviate the United States. (for example "France and the United States", not "France and the U.S.").

Special conventions for categorization of people

People are categorized by their nationality and occupation, such as Category:Ethiopian musicians. The template {{Fooian fooers}} is used to provide navigation on each category page.
Please note that this template may need to be modified for some categories, because some nationalities are listed as "People of Foo" instead of "Fooian", such as Category:Musicians from Bosnia and Herzegovina and Category:Musicians of the Democratic Republic of the Congo.
As a general recommendation for categories on people, have the category names as gender-neutral as possible (unless, of course, there is a distinct reason to otherwise; please mention that reason on the category page in that case).

Example: instead of a category for "Kings" and a different category for "Queens", use Category:Monarchs.

Some categories can be used in a stigmatizing way; always try to find the most neutral or generic name.

Example: "Prostitutes" is a better name for a category than "whores". "Sex workers" might work even better for a category name, while more gender-neutral and better approaching Business Card style.

Avoid names that are too long or too short. Short, clear names are preferred for categories. It is possible to deviate from this principle for neutrality and clarity reasons, but don't exaggerate on length or complexity of category names. Avoid abbreviations.

Categories by country

All categories whose subcategories are categories by country (roughly all categories that are members of Category:Categories by country) shall have a per-category naming convention which will apply to all of their subcategories. These naming conventions, their guidelines and their exceptions are listed here. Conformance to these naming conventions shall be treated as a criterion for "speedy category renaming" as defined on WP:CFD. Changing these conventions shall require a consensual discussion either directly at WP:CFD or publicized there.

Man-made objects

Categories of permanently located man-made objects by country are named "... in country". This guideline applies to:

Airports - American football venues - Amusement parks - Archaelogical sites - Art museums - Athletics (track and field) venues (mostly named "athletics" as per non-U.S. usage) - Baseball venues - Basketball venues - Bridges - Buildings and structures - Casinos - Castles - Cathedrals - Cemeteries - Churches - Cities - Cricket grounds - Football (soccer) venues - Forts - Gardens - Ghost towns - Golf clubs and courses - Horse racing venues - Hospitals - Hotels - Indoor arenas - Libraries - Monasteries - Motor racing venues - Mosques - Museums - Palaces - Parks - Prisons - Railway stations - Roads - Rugby union stadiums - Schools - Shopping malls (or shopping centres, based on local usage) - Skyscrapers - Sports venues - Theatres - Theme parks - Towns - Universities and colleges ("Universities" categories are also legitimate in countries where universities and colleges are distinct, ie. most countries, and are often a subcategory) - Villages - World Heritage Sites - Zoos

Natural features

Categories of natural features by country are named "... of country". This guideline applies to:

Islands - Lakes - Mountain ranges - Mountains - Mountain passes - National parks - Peninsulas - Protected areas - Rivers - Volcanoes

Sport

By-country subcategories of all <sport name> by country categories are named ... in country. This guideline applies to:

Athletics - Baseball - Basketball - Cricket - Cycle racing - Football - Golf - Horseracing - Ice hockey - Motorsport - Rugby league - Rugby union - Sport (or sports if that is local usage) - Tennis

Companies

By-country subcategories of all <company type> by country categories are named ... of country. This guideline applies to:

Airlines - Banks - Book publishers - Companies - Defunct companies - Engineering companies - Financial services companies - Insurance companies - Manufacturing companies - Retailers

Miscellaneous "of country"

Subcategories of these categories are named "... of country".

Battles - Cinema - Demographics - Economies - Foreign relations - Geography - Government - Heads of state - History - Images - Languages - Militaries - Military equipment - Municipalities * - Natural history - Politics - Prime ministers - Postal systems - Ships - Subdivisions - Wars - Weapons
*Subdivisions take the "of" form and settlements take the "in" form. Municipalities are usually found in non-English speaking countries as third tier administrative subdivisions covering the whole country including rural areas. In most cases there are separate designations for settlements such as cities and towns. However where the designation "municipality" is used solely for urban settlements (eg Romania) or where it is the only official designation for cities and towns (eg. Spain) the category takes the "in" form.

Miscellaneous "in country"

Subcategories of these categories are named "... in country".

Aviation - Business - Capital punishment - Communications - Conservation - Crime - Education - Ethnic groups - Health - Healthcare - Human rights - Law enforcement - Political parties - Rail transport - Religion - Science and technology - Tourism - Transportation (or transport if that is local usage)

Miscellaneous "nationality x"

Subcategories of these categories are named "nationality ...". Considerable discussion has already occurred on this naming convention. Many may still be relocated.

Aircraft - Aircraft manufacturers - Environment - Environmental organizations - Magazines - Media - List of ministers - Newspapers - Organizations - Radio - Television

Miscellaneous "Country-related"

A couple of technical categories are in the form "X-related":

Lists

Miscellaneous "Country"

Stubs use the form "Country stubs".

How to name the country

For "of country" and "in country" categories, the name of the country should appear as it does in the name of of the article about that country, with a lowercase "the" if needed for grammatical purposes. Non-sovereign, disputed, supranational, and historical countries and geographic equivalents may be included if the articles to be categorized require it. For reference, see List of sovereign states, List of dependent territories, and the following list.

In category naming, country names should not be abbreviated.

(Note: Links to articles are shown only for reference; links obviously cannot appear in the actual title of a category.)

"of the Republic of the Congo" for Congo-Brazzaville
"of the Democratic Republic of the Congo" for Congo-Kinshasa (formerly Zaire):
"of the People's Republic of China" (commonly known as "China")
of the Republic of China (commonly known as "Taiwan")
- See also: Wikipedia:Naming conventions (Chinese)#Political NPOV
of the Republic of Ireland (for the modern-day country)
of Northern Ireland (for the modern-day country)
of Cyprus (Greek and Turkish Cyprus usually have combined categories)
of Samoa (independent country)
of American Samoa (U.S. territory)
of Russia (for the modern-day country)
of the Bahamas
of Bosnia and Herzegovina
of the British Virgin Islands
of the Cayman Islands
of the Central African Republic
of Cote d'Ivoire
of the Cook Islands
of the Czech Republic
of the Dominican Republic
of the European Union
of the Falkland Islands
of the Faroe Islands
of the Federated States of Micronesia
of The Gambia
of Georgia (country)
of the Isle of Man
of Kosovo

of the Maldives
of Malta
of the Marshall Islands
of the Netherlands
of the Netherlands Antilles
of the Philippines
of the Pitcairn Islands
of the Republic of Macedonia
of Saint Kitts and Nevis
of the Solomon Islands
of Ukraine
of the United Arab Emirates
of the United Kingdom
of the United States
of the U.S. Virgin Islands
of Vatican City
of Wallis and Futuna
of the Western Sahara
of Azerbaijan
of East Timor
of Yemen (the modern-day country that unified former North and South Yemen in the 1990s)
of North Korea
of South Korea
of Slovenia
of Croatia
of Serbia
of Montenegro
of Kosovo
of the Republic of Macedonia

Supranational:

of Serbia and Montenegro
of the European Union
of Ireland (island-wide)
etc., on a case-by-case basis

Historical:

of the Irish Free State (historical material only)
of the Soviet Union (former country only)
of Yugoslavia (former country only)
etc., on a case-by-case basis

Dealing with overlaps

When historical and political complexities (such as mergers and splits) create articles that belong to two countries, do not create a "Foo of X and Y". Instead, list articles in both "Foo of X" and "Foo of Y". For example, "Foo of Russia" and "Foo of the Soviet Union", not "Foo of Russia and the Soviet Union".

Undecided by country

The convention for these categories is yet to be decided. See the talk page for details. These will be moved up as consensus develops.

Animals - Culture (currently mostly "Fooish culture") - Films (currently mostly "Fooish films") - Law (currently mostly "Fooish law") - Heads of government - Landmarks (currently a mix of "in foo", "of foo", and "fooish x") - Public holidays

Categories by nationality

All categories whose subcategories are categories by nationality(roughly all categories that are members of Category:Categories by nationality) shall have a per-category naming convention which will apply to all of their subcategories. These naming conventions, their guidelines and their exceptions are listed here. Conformance to these naming conventions shall be treated as a criterion for "speedy category renaming" as defined on WP:CFD. Changing these conventions shall require a consensual discussion either directly at WP:CFD or publicized there.

Biographies

Subcategories of these categories are named "nationality ...".

Murderers - Musical groups - Nationalities by occupation - Occupations by nationality (75 subcats) - People

Socio-cultural topics

Subcategories of these categories are named "nationality ...".

Art - Architecture - Classical music - Cuisine - Folk music - Heavy metal - Hip hop - Jazz - Literature - Music - Opera - Plays - Popular music - Rock music - Society

How to name a nationality

A list of adjectival forms of place names is available on Wikipedia. In situations where multiple adjectives are possible, please note that no official policy exists as to which one is favoured. Note that the singular-form demonym and adjective for many nationalities are not interchangeable. (i.e. Icelander vs. Icelandic)

Some states do not posess unambiguous (i.e. Democratic Republic of Congo) or universally-applicable (i.e. Bosnia and Herzegovina) adjectives. In these circumstances, users should use the format "Foo of country", such as Category:Society of the Democratic Republic of the Congo and Category:Art of Bosnia and Herzegovina.

Revision as of 04:18, 31 December 2005 view source Mirror Vax (talk \| contribs) 5,609 edits →‎General naming conventions: Biology not a good example (no plural form) ← Previous edit		Revision as of 11:09, 22 January 2006 view source Radiant! (talk \| contribs) 36,918 edits all other individual NCs are tagged as guideline Next edit →
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	'''{{PAGENAME}}''' is a list of guidelines for how to appropriately name [[WP:CG\|categories]]. Standard article [[Wikipedia:naming conventions\|naming conventions]] also apply; in particular, do not capitalise regular nouns. If you wish to propose a new or modified category related '''naming convention''', please do so on [[Wikipedia talk:{{PAGENAME}}]], whilst also publicising the proposal at [[Wikipedia talk:Naming conventions]], [[WP:RFC\|Requests for comment]], and the [[WP:VP\|Village Pump]], as well as at any related pages.		'''{{PAGENAME}}''' is a list of guidelines for how to appropriately name [[WP:CG\|categories]]. Standard article [[Wikipedia:naming conventions\|naming conventions]] also apply; in particular, do not capitalise regular nouns. If you wish to propose a new or modified category related '''naming convention''', please do so on [[Wikipedia talk:{{PAGENAME}}]], whilst also publicising the proposal at [[Wikipedia talk:Naming conventions]], [[WP:RFC\|Requests for comment]], and the [[WP:VP\|Village Pump]], as well as at any related pages.