Official Languages Of The European Union. Approximately 13% of eu citizens speak english as a native language, although this will naturally change with brexit. The european commission has three official procedural languages:

Bulgarian, croatian, czech, danish, dutch, english, estonian, finnish, french, german, greek. So it will still be one of the official languages (the eu currently has 24 official languages). The european union has designated by agreement with the member states 24 languages as official and working: