Period : From now to 31.3.2022. Fees to change from 25.12.2021. 
Languages of countries in Europe continent

Albania
Albanian 98.8%, Greek 0.5%, other 0.6%, unspecified 0.1%

Andorra
Catalan, French, Castilian, Portuguese

Austria
German 88.6%, Turkish 2.3%, Serbian 2.2%, Croatian 1.6%, other 5.3%

Belarus
Russian, Belarusian

Belgium
Dutch, French, German

Bosnia and Herzegovina
Bosnian, Serbian, Croatian

Bulgaria
Bulgarian 76.8%, Turkish 8.2%, Romani 3.8%, other 0.7%, unspecified 10.5%

Croatia
Croatian 95.6%, Serbian 1.2%, other 3% (including Hungarian, Czech, Slovak, and Albanian), unspecified 0.2%

Czech Republic
Czech 95.4%, Slovak 1.6%, other 3%

Denmark
Danish, Faroese, Greenlandic, German; note: English is the predominant second language

Estonia
Estonian 68.5%, Russian 29.6%, Ukrainian 0.6%, other 1.2%, unspecified 0.1%

Finland
Finnish 87.9%, Swedish 5.2%, Russian 1.4%, other 5.5%

France
French 100%

Germany
German

Greece
Greek 99%, other (includes English and French) 1%

Hungary
Hungarian 99.6%, English 16%, German 11.2%, Russian 1.6%, Romanian 1.3%, French 1.2%, other 4.2%; note: shares sum to more than 100% because some respondents gave more than one answer on the census; Hungarian is the mother tongue of 98.9% of Hungarian speakers

Iceland
Icelandic, English, Nordic languages, German

Ireland
English (the language generally used), Irish (Gaelic or Gaeilge)

Italy
Italian, German (parts of Trentino-Alto Adige region are predominantly German speaking), French (small French-speaking minority in Valle d'Aosta region), Slovene (Slovene-speaking minority in the TriesteGorizia area)

Latvia
Latvian (official) 56.3%, Russian 33.8%, other 0.6% (includes Polish, Ukrainian, and Belarusian), unspecified 9.4%

Liechtenstein
German 91.5% (Alemannic is the main dialect), Italian 1.5%, Turkish 1.3%, Portuguese 1.1%, other 4.6%

Lithuania
Lithuanian 82%, Russian 8%, Polish 5.6%, other 0.9%, unspecified 3.5%

Luxembourg
Luxembourgish (official administrative and judicial language and national language (spoken vernacular)) 55.8%, Portuguese 15.7%, French (official administrative, judicial, and legislative language) 12.1%, German (official administrative and judicial language) 3.1%, Italian 2.9%, English 2.1%, other 8.4%

Malta
Maltese 90.1%, English 6%, multilingual 3%, other 0.9%

Monaco
French, English, Italian, Monegasque

Montenegro
Serbian 42.9%, Montenegrin (official) 37%, Bosnian 5.3%, Albanian 5.3%, Serbo-Croat 2%, other 3.5%, unspecified 4%

Netherlands
Dutch

North Macedonia
Macedonian (official) 66.5%, Albanian 25.1%, Turkish 3.5%, Romani 1.9%, Serbian 1.2%, other (includes Aromanian (Vlach) and Bosnian) 1.8%; note: minority languages are co-official with Macedonian in municipalities where they are spoken by at least 20% of the population; Albanian is co-official in Tetovo, Brvenica, Vrapciste, and other municipalities; Turkish is co-official in Centar Zupa and Plasnica; Romani is co-official in Suto Orizari; Aromanian is co-official in Krusevo; Serbian is co-official in Cucer Sandevo

Norway
Bokmal Norwegian, Nynorsk Norwegian, small Sami- and Finnishspeaking minorities

Poland
Polish

Portugal
Portuguese, Mirandese

Republic of Moldova
Moldovan/Romanian 80.2% (official) (56.7% identify their mother
tongue as Moldovan, which is virtually the same as Romanian; 23.5% identify Romanian as their mother tongue), Russian 9.7%, Gagauz 4.2% (a Turkish language), Ukrainian 3.9%, Bulgarian 1.5%, Romani 0.3%, other 0.2%

Romania
Romanian (official) 85.4%, Hungarian 6.3%, Romani 1.2%, other 1%, unspecified 6.1%

Russian Federation
Russian 85.7%, Tatar 3.2%, Chechen 1%, other 10.1%

San Marino
Italian

Serbia
Serbian (official) 88.1%, Hungarian 3.4%, Bosnian 1.9%, Romani 1.4%, other 3.4%, undeclared or unknown 1.8%

Slovakia
Slovak (official) 78.6%, Hungarian 9.4%, Roma 2.3%, Ruthenian 1%, other or unspecified 8.8%

Slovenia
Slovenian (official) 91.1%, Serbo-Croatian 4.5%, other or unspecified 4.4%, Italian (official, only in municipalities where Italian national communities reside), Hungarian (official, only in municipalities where Hungarian national communities reside)

Spain
Castilian Spanish 74%, Catalan 17%, Galician 7%, Basque 2%

Sweden
Swedish; note: Finnish, Sami, Romani, Yiddish, and Meankieli are official minority languages

Switzerland
German (or Swiss German) 62.8%, French 22.9%, Italian 8.2%, English 5.1%, Portuguese 3.7%, Albanian 3.1%, Serbo-Croatian 2.4%, Spanish 2.3%, Romansh 0.5%, other 7.5% note: German, French, Italian, and Romansh are all national and official languages; shares sum to more than 100% because some respondents gave more than one answer

Ukraine
Ukrainian (official) 67.5%, Russian (regional language) 29.6%, other (includes small Crimean Tatar-, Moldovan/Romanian-, and Hungarianspeaking minorities) 2.9%

United Kingdom
English, Scottish Gaelic (about 60,000 in Scotland), Welsh (about 20% of the population of Wales), Irish (about 10% of the population of Northern Ireland), Cornish (some 2,000 to 3,000 people in Cornwall)

Vatican City (Non UN Member country)
Italian, Latin, French, various other languages