The Cultural Protocols Index lists the cultural protocol for every country in the game. For countries that are currently culturally open, you can find the previous cultural protocol. For more information about cultural protocols, see section 7 of the Game Rules.
Culturally protected
Aldegar (approved): Persian
Alduria (approved): French
Aloria (approved): Welsh and Swiss German
Badara (approved): Arab
Baltusia (approved): American
Barmenistan (approved): Kurdish
Beiteynu (approved): Jewish
Cildania (approved): Maltese
Cobura (approved): Egyptian and Amhara with Esperanto and Arab minorities
Dankuk (approved): Korean
Davostag (approved): Danish and Swedish
Deltaria (approved): South Slav
Dolgava (approved): Latvian and German
Dorvik (approved): German
Dundorf (approved): German
Egelion (approved): Spanish
Endralon (approved): Hungarian with Croatian minority
Gaduridos (approved): Mexican
Hobrazia (approved): Georgian
Hulstria and Gao-Soto (approved): Japanese and Austrian
Hutori (approved): Canadian
Ikradon (approved): Dutch and African-American
Istalia (approved): Italian
Jakania (approved): Turkish
Jelbe (approved): Jelbic
Kafuristan (approved): Arab
Kalistan (approved): West Coast American
Kalopia (approved): Greek
Kanjor (approved): French
Kazulia (approved): Norwegian
Keymon (approved): Luxembourgish and Swiss
Kirlawa (approved): Irish and English
Kizenia and New Endralon (approved): Romanian and Hungarian
Kundrati (approved): Basque with a West Slav minority
Likatonia (approved): American
Lodamun (approved): New Englander
Lourenne (approved): French
Luthori (approved): English
Malivia (approved): Indian with Afro-Caribbean minority
Mordusia (approved): Australian
Narikaton and Darnussia (approved): Dutch and German
Pontesi (approved): Armenian
Rildanor (approved): French
Rutania (approved): Scottish
Saridan (approved): Afrikaner
Seko (approved): Ryukyuan
Selucia (approved): Roman
Talmoria (approved): West African
Telamon (approved): Icelander
Trigunia (approved): East Slav
Tukarali (approved): Portuguese
Valruzia (approved): Polish
Vanuku (approved): Jelbic
Vorona (approved): Caribbean
Yingdala (approved): Han Chinese
Zardugal (approved): Esperanto
Culturally open
Beluzia: English
Solentia: Arab