| Esperanto | epo-000 |
| 18a | |
| Afrikaans | afr-000 | agtien |
| boarisch | bar-000 | åchzea |
| boarisch | bar-000 | åchzen |
| Kaqchikel | cak-000 | wajxaqlajuj |
| català | cat-000 | XVIII |
| français | fra-000 | XVIII |
| français | fra-000 | XVIIIème |
| français | fra-000 | dix-huit |
| kreyòl ayisyen | hat-000 | dizuit |
| עִברִית | heb-003 | שְׁמוֹנֶה־עֶשְׂרֵה |
| Téenek | hus-000 | laju waxik |
| íslenska | isl-000 | átján |
| 한국어 | kor-000 | 18세의 |
| 한국어 | kor-000 | 18의 |
| Multiple languages | mul-000 | 18 |
| Nederlands | nld-000 | achttien |
| bokmål | nob-000 | atten |
| Punu | puu-000 | diwoumi na inane |
| русский | rus-000 | восемнадцать |
| slovenčina | slk-000 | osemnásť |
| español | spa-000 | XVIII |
| Kiswahili | swh-000 | kumi na -nane |
| Kiswahili | swh-000 | kumi na nane |
| ภาษาไทย | tha-000 | 18 |
| Türkçe | tur-000 | onsekiz |
| Batsil Kʼop | tzh-000 | waxaklajuneb |