| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 709 | |
| ISO 639-3 | art-001 | rkh |
| Glottolog Languoid Names | art-326 | Rakahanga-Manihiki |
| Glottocode | art-327 | raka1237 |
| Glottolog Primary Key | art-328 | 41289 |
| English | eng-000 | Manihiki |
| français | fra-000 | manihiki |
| español | spa-000 | manihiki-rakahanga |