The section below provides an outline listing of all the languages described in this chart. For a complete listing of all Indo-European languages, see the Indo-European Language Family.
Languages marked with a dagger (†) are extinct. A classification of extinct means that the language has no native (i.e., first-language) speakers. It does not necessarily mean that no one can speak the language. Examples of languages that are considered extinct but still are spoken are Sanskrit, Avestan, and Old Church Slavonic.
Languages marked with the superscriptEU are official languages of the European Union.
Major language groups are listed in alphabetical order.
No importance should be inferred from the order of the languages in the listing.
- Proto-Indo-European
- Albanian
- Armenian
- Baltic
- Indo-Iranian
- Slavic