| Afrikaans |
| lexicalization | afr: 21 |
| Amharic |
| lexicalization | amh: 21 እ.ኤ.አ. |
| Arabic |
| lexicalization | ara: 21 |
| Aragonese |
| has gloss | arg: | align=right cellpadding=3 id=toc style="margin-left: 15px;" |- style="text-align:center;" | Anyos: 18 19 20 - 21 - 22 23 24 |- style="text-align:center;" | Decenios: Anyos 10 - Anyos 20 - Anyos 30 |- style="text-align:center;" | Sieglos: Sieglo I aC - Sieglo I - Sieglo II |} |
| lexicalization | arg: 21 |
| Asturian |
| has gloss | ast: L'añu 21 foi un añu non bisiestu entamao en miércoles del Calendariu Xulianu. |
| lexicalization | ast: 21 |
| Azerbaijani |
| lexicalization | aze: 21 |
| Belarusian |
| has gloss | bel: | align=right cellpadding=3 id=toc style="margin-left: 15px;" |- | align="center" colspan=2 | Гады: 18 19 20 - 21 - 22 23 24 |- | align="center" colspan=2 | Дзесяцігодзьдзі: 0-я да н. э. 0-я 10-я - 20-я - 30-я 40-я 50-я |- | align="center" | Стагодзьдзі: 1 стагодзьдзе да н. э. - 1 стагодзьдзе - 2 стагодзьдзе |} Падзеі * Паўстаньне ў рымскіх правінцыях Галія й Фракія |
| lexicalization | bel: 21 |
| Bengali |
| lexicalization | ben: ২১ |
| Bosnian |
| lexicalization | bos: 21 |
| Bishnupriya |
| lexicalization | bpy: মারি ২১ |
| Breton |
| has gloss | bre: | align=right cellpadding=3 id=toc style="margin-left: 15px;" |- | align="center" colspan=2 | Bloavezhioù: 18 19 20 - 21 - 22 23 24 |- | align="center" colspan=2 | Dekvedoù: 0 - 10 - Bloavezhioù 20 - 30 40 |- | align="center" | Kantvedoù: - - |- | align="center" | Milvedoù: - - |} |
| lexicalization | bre: 21 |
| Bulgarian |
| lexicalization | bul: 21 |
| Catalan |
| lexicalization | cat: 21 |
| Czech |
| has gloss | ces: Úmrtí * Arminius Hlava státu * Čína ** Wang Mang z dynastie Sin (9 – 23) * Kušánská říše ** Heraios (1 – 30) * Parthská říše ** Artabanos II. (10 – 38) * Římská říše ** Tiberius (14 – 37) |
| lexicalization | ces: 21 |
| Chuvash |
| lexicalization | chv: 21 |
| Corsican |
| has gloss | cos: 21 |
| lexicalization | cos: 21 |
| Welsh |
| has gloss | cym: Y ganrif 1af CC - Y ganrif 1af - 2il ganrif 20au CC 10au CC 00au CC 00au 10au 20au 30au 40au 50au 60au 70au 16 17 18 19 20 21 22 23 24 25 26 |
| lexicalization | cym: 21 |
| Danish |
| has gloss | dan: Århundreder: 1. århundrede f.Kr. - 1. århundrede - 2. århundrede |
| lexicalization | dan: 21 |
| German |
| lexicalization | deu: 21 |
| Modern Greek (1453-) |
| lexicalization | ell: 21 |
| Esperanto |
| lexicalization | epo: 21 |
| Estonian |
| has gloss | est: 21. aasta |
| lexicalization | est: 21 |
| Basque |
| lexicalization | eus: 21 |
| Persian |
| has gloss | fas: ۲۱ (میلادی) بیست و یکمین سال تقویم میلادی است. مناسبتها رویدادها زادگان درگذشتگان |
| lexicalization | fas: ۲۱ |
| Finnish |
| lexicalization | fin: 21 |
| French |
| lexicalization | fra: 21 |
| Western Frisian |
| has gloss | fry: Ieuwen: 5e f. Kr. - 4e f. Kr. - 3e f. Kr. - 2e f. Kr. - 1e f. Kr. - 1e ieu - 2e - 3e - 4e - 5e -- 6e |
| lexicalization | fry: 21 |
| Gan Chinese |
| lexicalization | gan: 21年 |
| Gaelic |
| has gloss | gla: Is docha tha thu lorg 1921 21 |
| lexicalization | gla: 21 |
| Galician |
| lexicalization | glg: 21 |
| Haitian |
| has gloss | hat: 21 se 66m ane nan almanak jilyen. |
| lexicalization | hat: 21 |
| Hebrew |
| lexicalization | heb: 21 |
| Hindi |
| lexicalization | hin: 21 |
| Croatian |
| lexicalization | hrv: 21. |
| lexicalization | hrv: 21 |
| Hungarian |
| lexicalization | hun: 21 |
| Armenian |
| lexicalization | hye: 21 |
| Ido |
| lexicalization | ido: 21 |
| Interlingua (International Auxiliary Language Association) |
| has gloss | ina: Le anno 21 : ( 21 = vinti-un ) |
| lexicalization | ina: 21 |
| Indonesian |
| has gloss | ind: | align=right cellpadding=3 id=toc style="margin-left: 15px;" |- | align="center" colspan=2 | Tahun-tahun:16 17 18 19 20 - 21 - 22 23 24 25 26 |- | align="center" | Abad-abad: Abad ke-1 SM - Abad ke-1 - Abad ke-2 |} Tahun ke- Masehi dalam kalender Gregorian. |
| lexicalization | ind: 21 |
| Icelandic |
| lexicalization | isl: 21 |
| Italian |
| lexicalization | ita: 21 |
| Javanese |
| lexicalization | jav: 21 |
| Japanese |
| lexicalization | jpn: 21年 |
| Georgian |
| lexicalization | kat: 21 |
| Korean |
| lexicalization | kor: 21년 |
| Kölsch |
| lexicalization | ksh: Joohr 21 |
| Latin |
| lexicalization | lat: 21 |
| Latvian |
| lexicalization | lav: 21. gads |
| lexicalization | lav: 21 |
| Lithuanian |
| has gloss | lit: 21 m. buvo nekeliamieji metai, prasidedantys penktadienį pagal Grigaliaus kalendorių. |
| lexicalization | lit: 21 m. |
| Lombard |
| lexicalization | lmo: 21 |
| Letzeburgesch |
| has gloss | ltz: 1. Joerhonnert v. Chr. | 1. Joerhonnert | 2. Joerhonnert |
| lexicalization | ltz: 21 |
| Marathi |
| lexicalization | mar: इ.स. २१ |
| Macedonian |
| lexicalization | mkd: 21 |
| Malay (macrolanguage) |
| has gloss | msa: :Rencana ini adalah berkenaan dengan tahun 21. Bagi kegunaan lain, sila lihat 21 (nombor). 21 merupakan tahun biasa yang bermula pada hari Rabu dalam kalendar Gregory. |
| lexicalization | msa: 21 |
| Nahuatl languages |
| has gloss | nah: 21 ītōcā cē xihuitl īpan mācuīlpōhualxihuitl 1 īpan 20s māhtlacxihuitl. |
| lexicalization | nah: 21 |
| Neapolitan |
| lexicalization | nap: 21 |
| Low German |
| lexicalization | nds: 21 |
| Nepal Bhasa |
| has gloss | new: २१ ग्रेगोरियन पात्रो यागु छगु साधारण दँ खः। |
| lexicalization | new: २१ |
| Dutch |
| lexicalization | nld: 21 |
| Norwegian Nynorsk |
| lexicalization | nno: 21 |
| Norwegian |
| lexicalization | nor: 21 |
| Occitan (post 1500) |
| has gloss | oci: ---- Cronologia mensuala: Gen - Feb - Mar - Abr - Mai - Junh Julh - Ago - Set - Oct - Nov - Dec |
| lexicalization | oci: 21 |
| Oriya |
| has gloss | ori: ୨୧ ଗ୍ରେଗୋରିଯନ ପାତ୍ରୋ ଅନୁସାର ସାଧାରଣ ବର୍ଷ | |
| lexicalization | ori: ୨୧ |
| Pali |
| has gloss | pli: २१ ग्रेगोरी कैलंडर स्य एकस्य साधारण वर्ष अस्तु। |
| lexicalization | pli: २१ |
| Polish |
| has gloss | pol: |align=left width=100% |valign=top width=100%| rok 21 / XXI I wiek p.n.e. · I wiek · II wiek 19 « 20 « 21 » 22 » 23 |
| lexicalization | pol: 21 |
| Portuguese |
| lexicalization | por: 21 |
| Quechua |
| has gloss | que: 21 wataqa Hulyanu kalindaryukama quyllurchawwan qallarisqa chhasku watam karqan. |
| lexicalization | que: 21 |
| Moldavian |
| has gloss | ron: Milenii: Mileniul I î.Hr. - Mileniul I - Mileniul II |
| lexicalization | ron: 21 |
| Russian |
| lexicalization | rus: 21 год |
| Yakut |
| has gloss | sah: 21 сыл. |
| lexicalization | sah: 21 |
| Sanskrit |
| has gloss | san: २१ ग्रेगोरी कैलंडर स्य एकस्य साधारण वर्ष अस्तु। |
| lexicalization | san: २१ |
| Slovak |
| lexicalization | slk: 21 |
| Slovenian |
| lexicalization | slv: 21 |
| lexicalization | slv: Leto 21 |
| Castilian |
| lexicalization | spa: 21 |
| Albanian |
| has gloss | sqi: Mbi vitin 21. |
| lexicalization | sqi: 21 |
| Sranan Tongo |
| has gloss | srn: 21 ben wan yari ini a 1-100-yari. Ini disi yari o ben a Imperium Romanum wan kondre Meditarranee. Disi ten e ben wan kuri fu den Owrur Ten, fu den Medium Ten (Middeleeuwen ini a Bakratongo. Jesus dy opo a krusu e ben strobo liba dyasoten na, a e ben no dede. |
| lexicalization | srn: 21 |
| Serbian |
| lexicalization | srp: 21. |
| lexicalization | srp: 21 |
| Sundanese |
| has gloss | sun: Taun ka-21 Maséhi dina Kalénder Grégorian. |
| lexicalization | sun: 21 |
| Swahili (macrolanguage) |
| lexicalization | swa: 21 |
| Swedish |
| lexicalization | swe: 21 |
| Tahitian |
| lexicalization | tah: 21 |
| Tatar |
| lexicalization | tat: 21 |
| Thai |
| has gloss | tha: พุทธศักราช 564 ใกล้เคียงกับ คริสต์ศักราช 21 |
| lexicalization | tha: พ.ศ. 564 |
| Turkmen |
| lexicalization | tuk: 21 |
| Turkish |
| has gloss | tur: MÖ 1. yüzyıl | 1. yüzyıl | 2. yüzyıl 16 | 17 | 18 | 19 | 20 | 21| 22 | 23 | 24 | 25 | 26 |
| lexicalization | tur: 21 |
| Ukrainian |
| lexicalization | ukr: 21 |
| Urdu |
| lexicalization | urd: 21ء |
| Uzbek |
| has gloss | uzb: 21 :Boshqa maʼnolari uchun, bu yerga qarang. |
| lexicalization | uzb: 21 |
| Venetian |
| lexicalization | vec: 21 |
| Volapük |
| lexicalization | vol: 21 |
| Waray (Philippines) |
| has gloss | war: An 21 usa nga tuig han kalendaryo. |
| lexicalization | war: 21 |
| Yoruba |
| has gloss | yor: 21 ni iye odun leyin iku Jesu |
| lexicalization | yor: 21 |
| Yue Chinese |
| lexicalization | yue: 21年 |
| Chinese |
| lexicalization | zho: 21年 |
