| Country | Official Language | National Language | Regional Language |
|---|---|---|---|
| Abkhazia | Abkhaz, Russian | Abkhaz | |
| Afghanistan | Pashto, Dari | Pashto | Uzbek,Turkmen, Pashai, Nuristani, Balochi, Pamiri |
| Albania | Albanian | ||
| Algeria | Arabic, Tamazight | Arabic, Tamazight | |
| Andorra | Catalan | ||
| Angola | Portuguese | Kimbundu, Umbundu, Kikongo, Chokwe, Kwanyama, Ganguela | |
| Antigua and Barbuda | English | ||
| Argentina | None | Spanish, Guarani, Kom, Moquoit, Wichi | |
| Armenia | Armenian | Armenian | |
| Artsakh | Armenian, Russian | ||
| Australia | None | ||
| Austria | German | German | Croatian, Hungarian, Slovene |
| Azerbaijan | Azerbaijani | Azerbaijani |
| Country | Official Language | National Language | Regional Language |
|---|---|---|---|
| Bahamas | English | ||
| Baharain | Arabic | ||
| Bangladesh | Bengali | Bengali | |
| Barbados | English | ||
| Belarus | Belarusian, Russian | ||
| Belgium | Dutch, French, German | Dutch, French, German | |
| Belize | English | Spanish | |
| Benin | French | ||
| Bhutan | Dzongkha | ||
| Bolivia | Spanish | ||
| Bosnia and Herzegovina | None | ||
| Botswana | English | ||
| Brazil | Portuguese | Portuguese | German, East Pomeranian, Talian, Nheengatu, Baniwa, Tucano, Guarani |
| Brunei | Malay, English | ||
| Bulgaria | Bulgarian | ||
| Burkina Faso | French | Fula, Jula, More | |
| Burundi | French, Kirundi, English | Kirundi |