| 日本語 | jpn-000 |
| 国際社会主義青年同盟 | |
| dansk | dan-000 | International Union of Socialist Youth |
| Deutsch | deu-000 | International Union of Socialist Youth |
| eesti | ekk-000 | Noorte Sotsialistide Rahvusvaheline Liit |
| English | eng-000 | International Union of Socialist Youth |
| suomi | fin-000 | International Union of Socialist Youth |
| français | fra-000 | Union internationale de la jeunesse socialiste |
| italiano | ita-000 | International Union of Socialist Youth |
| lietuvių | lit-000 | Tarptautinė jaunųjų socialistų sąjunga |
| Nederlands | nld-000 | International Union of Socialist Youth |
| polski | pol-000 | IUSY |
| español | spa-000 | Unión Internacional de Juventudes Socialistas |
| svenska | swe-000 | International Union of Socialist Youth |