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- Old Prussian
ISO 639-3 · prgprg
Indo-European family · extinct or historical language
Old Prussian
Prūsiskan
Old Prussian is an extinct or historical language of the Baltic branch (Indo-European), spoken in Poland, Russia and Lithuania. Wikidata counts about 50 speakers. Wikidata describes it as “extinct Western Baltic language”.
At a glance
- ISO 639-3
prg- Glottocode
prus1238- Family
- Indo-European
- EGIDS
- 9 Dormant
- Wikipedia
- 70 language editions
—first-language speakers
50second-language speakers
3countries
1scripts
3levels in the tree
9EGIDS level
Facts
| Name | Old Prussian · Prūsiskan |
|---|---|
| Also called | Prussian, Old Prussian language, Prussian language, Prūsiskai |
| L2 speakers | 50 |
| Written in | Latin script |
| Kind | extinct or historical language |
Vitality
EGIDS 9 Dormant9
Dormant or extinct. No fluent first-language speakers remain — EGIDS 9 and 10.
Other languages at this levelfamily tree
From Indo-European to Old Prussian
The branches above Old Prussian, top to bottom. Each node counts the languages of this index that belong to it.
where it is spoken
Map and countries
A distribution map from Wikimedia Commons, as linked from Wikidata; borders of language areas are approximate.

Also spoken in Poland
deuGermanIndo-European · 135 m1 · NationalromRomaniIndo-European · 46 mDefinitely endangeredpolPolishIndo-European · 40.2 m1 · NationalukrUkrainianIndo-European · 34.7 m1 · NationalbelBelarusianIndo-European · 7.9 m1 · NationalhyeArmenianIndo-European · 6.7 m1 · NationallitLithuanianIndo-European · 4 m1 · NationalyidYiddishIndo-European · 1 mDefinitely endangeredrueRusynIndo-European · 610,0006a · VigorousrmyVlax RomaniIndo-European · 538,4806b · Threatened