| Name of the Country | Official Languages |
| Abkhazia | Abkhaz and Russian |
| Afghanistan | Pashto and Dari |
| Albania | Albanian |
| Algeria | Arabic |
| Andorra | Catalan |
| Angola | Portuguese |
| Antigua and Barbuda | English |
| Argentina | Spanish |
| Armenia | Armenian |
| Artsakh | Armenian |
| Australia | English |
| Austria | German |
| Azerbaijan | Azerbaijani |
| Bahamas | English |
| Bahrain | Arabic |
| Bangladesh | Bengali |
| Barbados | English |
| Belarus | Belarusian |
| Belgium | Dutch |
| Belize | English |
| Benin | French |
| Bhutan | Dzongkha |
| Bolivia | Castilian |
| Bosnia and Herzegovina | Bosnian |
| Botswana | English and Tswana |
| Brazil | Portuguese |
| Brunei | Malay |
| Bulgaria | Bulgarian |
| Burkina Faso | French |
| Burundi | Kirundi and French |
| Cambodia | Khmer |
| Cameroon | French and English |
| Canada | English and French |
| Cape Verde | Portuguese |
| Central African Republic | French |
| Chad | French and Arabic |
| Chile | Spanish |
| China | Mandarin |
| Christmas Island | English, Mandarin and Malay |
| Cocos (Keeling) Island | English and Cocos Malay |
| Colombia | Spanish |
| Comoros | Arabic and French |
| Cook Islands | English, Cook Islands Maori |
| Costa Rica | Spanish |
| Cote d’Ivoire | French |
| Croatia | Croatian |
| Cuba | Spanish |
| Cyprus | Greek and Turkish |
| Czech Republic | Czech |
| Democratic Republic of the Congo | French |
| Denmark | Danish |
| Djibouti | French and Arabic |
| Dominica | English |
| Dominican Republic | Spanish |
| East Timor | Tetum, Portuguese |
| Ecuador | Spanish |
| Egypt | Arabic |
| El Salvador | Spanish |
| Equatorial Guinea | Spanish |
| Eritrea | Tigrinya |
| Estonia | Estonian |
| Ethiopia | Amharic |
| Fiji | English, Fijian, and Fiji Hindi |
| Finland | Finnish and Swedish |
| France | French |
| Gabon | French |
| Gambia | English |
| Georgia | Georgian |
| Germany | German |
| Ghana | English |
| Greece | Greek |
| Grenada | English |
| Guatemala | Spanish |
| Guinea | French |
| Guinea-Bissau | Portuguese |
| Guyana | English |
| Haiti | Creole and French |
| Honduras | Spanish |
| Hungary | Hungarian |
| Iceland | Icelandic |
| India | Hindi |
| Indonesia | Indonesian |
| Iran | Persian |
| Iraq | Arabic |
| Ireland | English |
| Israel | Hebrew |
| Italy | Italian |
| Ivory Coast | French |
| Jamaica | English |
| Japan | Japanese |
| Jordan | Arabic |
| Kazakhstan | Kazak and Russian |
| Kenya | English |
| Kiribati | English |
| Korea, North | Korean |
| Korea, South | Korean |
| Kosovo | Albanian and Serbian |
| Kuwait | Arabic |
| Kyrgyzstan | Kyrgyz and Russian |
| Laos | Lao |
| Latvia | Latvian |
| Lebanon | Arabic |
| Lesotho | English and Sesotho |
| Liberia | English |
| Libya | Arabic |
| Liechtenstein | German |
| Luxembourg | Luxermbourgish, French and German |
| Macedonia | Macedonian |
| Madagascar | Malagasy and French |
| Malawi | English and Chichewa |
| Malaysia | Malay |
| Maldives | Dhivehi |
| Mali | French |
| Malta | Maltese and English |
| Marshall Islands | Marshallese |
| Mauritania | Arabic |
| Mauritius | English |
| Mexico | Spanish |
| Micronesia | English |
| Moldova | Romanian |
| Monaco | French |
| Mongolia | Mongolian |
| Montenegro | Montenegrin |
| Morocco | Arabic |
| Mozambique | Portuguese |
| Myanmar (Burma) | Burmese |
| Namibia | English |
| Nauru | Nauruan |
| Nepal | Nepali |
| Netherlands | Dutch and Frisian |
| New Zealand | English and Maori |
| Nicaragua | Spanish |
| Niger | French |
| Nigeria | English |
| Niue | Niuean and English |
| Norfolk Island | Norfuk and English |
| North Macedonia | Macedonian and Albanian |
| Northern Cyprus | Turkish |
| Norway | Norwegian |
| Oman | Arabic |
| Pakistan | Urdu |
| Palau | Palauan |
| Palestine | Arabic |
| Panama | Spanish |
| Papua New Guinea | Tok Pisin, Hiri Motu and English |
| Paraguay | Spanish and Guaraní |
| Peru Spanish | Aymara and Quechua |
| Philippines | Filipino and English |
| Poland | Polish |
| Portugal | Portuguese |
| Qatar | Arabic |
| Republic of the Congo | French |
| Romania | Romanian |
| Russia | Russian |
| Rwanda | Kinyarwanda, French, and English |
| Sahrawi Arab Democratic Republic | Arabic |
| Saint Kitts and Nevis | English |
| Saint Lucia | English |
| Saint Vincent and the Grenadines | English |
| Samoa | Samoan |
| San Marino | Italian |
| Sao Tome and Principe | Portuguese |
| Saudi Arabia | Arabic |
| Senegal | French |
| Serbia | Serbian |
| Seychelles | Seselwa Creole |
| Sierra Leone | English |
| Singapore | Mandarin |
| Slovakia | Slovak |
| Slovenia | Slovene |
| Solomon Islands | English |
| Somalia | Arabic |
| Somaliland | Somali |
| South Africa | Afrikaans, English, Southern Ndebele, Sotho, Northern Sotho, Swazi, Tsonga, Tswana, Venda, Xhosa, Zulu |
| South Sudan | English |
| Sovereign Military Order of Malta | Italian |
| Spain | Spanish |
| Sri Lanka | Sinhala |
| Sudan | Arabic |
| Suriname | Dutch |
| Swaziland | Swati |
| Sweden | Swedish |
| Sweden | Swedish |
| Switzerland | German, French, Romansh and Italian |
| Syria | Arabic |
| Taiwan | Mandarin |
| Tajikistan | Tajik |
| Tanzania | Swahili, English |
| Thailand | Thai |
| Togo | French |
| Tokelau | Tokelauan |
| Tonga | Tongan |
| Transnistria | Moldovan, Russian and Ukrainian |
| Trinidad and Tobago | English |
| Tunisia | Arabic |
| Turkey | Turkish |
| Turkmenistan | Turkmen |
| Tuvalu | Tuvaluan |
| Uganda | English |
| Ukraine | Ukrainian |
| United Arab Emirates | Arabic |
| United Kingdom | English |
| United States | English |
| Uruguay | Spanish |
| Uzbekistan | Uzbek |
| Vanuatu | English, French and Bislama |
| Vatican City | Italian |
| Venezuela | Spanish |
| Vietnam | Vietnamese |
| Yemen | Arabic |
| Zambia | English |
| Zimbabwe | English |
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