| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 427 | |
| ISO 639-3 | art-001 | mrj |
| Glottolog Languoid Names | art-326 | Western Mari |
| Glottocode | art-327 | west2392 |
| Glottolog Primary Key | art-328 | 44524 |
| English | eng-000 | Western Mari |
| français | fra-000 | mari occidental |
| español | spa-000 | marí occidental |