| Language Family - Group | Language | Ethnic Group | Number | Republic (or other) | % Correct |
|---|---|---|---|---|---|
| Northeast Caucasian | Chechen | Chechens | 1,4 million | Chechnya | 88%
|
| Kartvelian | Georgian | Georgians | 160.000 | Moscow, more | 88%
|
| Indo-European | Armenian | Armenians | 1,2 million | Krasnodar Krai | 85%
|
| Indo-European - Iranian | Ossetian/Ossetic | Ossetians | 530.000 | North Ossetia-Alania | 79%
|
| Northwest Caucasian | Abkhaz | Abkhaz people | 11.000 | Caucasus | 66%
|
| Northeast Caucasian | Ingush | Ingush people | 450.000 | Ingushetia | 61%
|
| Indo-European - Iranian | Tat | Tat people | 1600 | Dagestan | 55%
|
| Northeast Caucasian | Avar | Avars | 900.000 | Dagestan | 50%
|
| Northwest Caucasian | Adyghe aka West Circassian | Adyghe people (aka Circassians) | 125.000 | Adygea | 49%
|
| Northwest Caucasian | Kabardian aka East Circassian (Adyghe) | Kabardians | 520.000 | Kabardino-Balkaria and Karachay-Cherkessia | 49%
|
| Northeast Caucasian | Lezgin | Lezgins | 470.000 | Dagestan | 35%
|
| Northeast Caucasian | Dargwa | Dargin people | 590.000 | Dagestan | 25%
|
| Northeast Caucasian | Lak | Laks | 180.000 | Dagestan | 24%
|
| Northwest Caucasian | Abaza | Abazins | 43.000 | Karachay-Cherkessia | 21%
|
| Northeast Caucasian | Tabasaran | Tabasarans | 150.000 | Dagestan | 18%
|
| Indo-European - Iranian | Talysh | Talysh people | 2500 | Border to Azerbaijan | 18%
|
| Northeast Caucasian | Rutul | Rutuls | 35.000 | Dagestan | 15%
|
| Northeast Caucasian | Aghul | Aghuls | 34.000 | Dagestan | 12%
|
| Northeast Caucasian | Tsakhur | Tsakhurs | 12.500 | Dagestan | 11%
|
| Northeast Caucasian | Udi | Udis | 4000 | Rostov Oblast, Krasnodar Krai, Stavropol Krai | 8%
|
| Indo-European | Homshetsi dialect of Armenian | Hemshins | 2000 | Krasnodar Krai | 4%
|