Which languages have the least open speech data?

Of 445 languages in Mozilla Common Voice (2026-11-05), 163 have zero validated hours, 181 have under 1 hour and 223 have under 10 hours. The full ranked list is at norynta.com/data/languages/.

Which languages have the most open speech data?

By validated hours in Common Voice: Pashto (3,769 h), Catalan (3,032 h), English (2,802 h), Kinyarwanda (2,003 h), Belarusian (1,824 h), Esperanto (1,445 h), German (1,399 h), French (1,114 h).

Norynta Data › Language data index

Open speech data by language

Name: Open speech data by language (Norynta index)
Creator: Norynta
License: https://creativecommons.org/licenses/by/4.0/

How much openly licensed speech exists for 445 languages, and where AI teams will have to collect new data.

445languages tracked

163with zero validated hours

181under 1 hour

223under 10 hours

Most of the world's languages have almost no open speech data. Even well-covered languages are mostly short read-aloud sentences, not natural conversation. Norynta collects consented speech, text and evaluation data in any of these languages to order.

Source: Mozilla Common Voice, fetched 2026-11-05. Download as CSV (CC BY 4.0, please credit Norynta and Mozilla Common Voice).

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All 445 languages

#	Language	Native name	Validated h	Speakers
1	Pashto	پښتو	3,769	8,502
2	Catalan	català	3,032	37,119
3	English	English	2,802	101,022
4	Kinyarwanda	Ikinyarwanda	2,003	1,190
5	Belarusian	Беларуская	1,824	8,646
6	Esperanto	Esperanto	1,445	1,926
7	German	Deutsch	1,399	20,637
8	French	Français	1,114	21,212
9	Kabyle	Taqbaylit	572	1,618
10	Uyghur	ئۇيغۇرچە	474	1,878
11	Spanish	Español	457	27,028
12	Basque	Euskara	456	11,062
13	Luganda	Luganda	438	676
14	Swahili	Kiswahili	417	1,548
15	Japanese	日本語	385	7,936
16	Persian	فارسی	373	4,672
17	Italian	Italiano	366	7,385
18	Galician	Galego	335	6,898
19	Meadow Mari	Марий	282	500
20	Kabardian	Адыгэбзэ (Къэбэрдей)	278	395
21	Latvian	Latviešu	269	6,663
22	Georgian	ქართული	266	3,172
23	Bashkir	Башҡорт	259	943
24	Russian	Русский	259	3,793
25	Chinese (China)	汉语（中国大陆）	240	7,642
26	Tamil	தமிழ்	235	997
27	Abkhaz	Аԥсшәа	217	1,303
28	Cantonese	粵語	204	1,196
29	Portuguese	Português	185	3,893
30	Polish	polski	177	3,483
31	Thai	ไทย	173	8,072
32	Central Kurdish	کوردیی ناوەندی	139	2,078
33	Hungarian	Magyar	139	1,699
34	Turkish	Türkçe	131	1,860
35	Uzbek	O'zbek	128	2,362
36	Dutch	Nederlands	126	1,907
37	Welsh	Cymraeg	124	1,944
38	Ukrainian	Українська	116	1,186
39	Chinese (Hong Kong)	中文（香港）	109	3,118
40	Arabic	العربية	94	1,692
41	Laz	Lazuri	86	179
42	Adyghe	Адыгабзэ	81	176
43	Kurmanji Kurdish	Kurdî (Kurmancî)	81	716
44	Chinese (Taiwan)	華語（台灣）	78	2,340
45	Urdu	اردو	77	509
46	Czech	Čeština	76	1,155
47	Frisian	Frysk	67	2,126
48	Estonian	eesti	63	1,127
49	Slovak	Slovenčina	57	274
50	Bengali	বাংলা	50	23,029
51	Swedish	Svenska	48	900
52	Mongolian	Монгол хэл	47	623
53	Kalenjin	Kalenjin	43	41
54	Armenian	Հայերեն	40	1,160
55	Kyrgyz	Кыргызча	40	303
56	Dhivehi	ދިވެހި	39	395
57	Tatar	Татар	38	306
58	Breton	Brezhoneg	36	304
59	Indonesian	Bahasa Indonesia	35	686
60	Hill Mari	Кырык мары	34	60
61	Puno Quechua	Punu qhichwa	32	81
62	Latgalian	Latgalīšu	31	398
63	Dholuo	Dholuo	30	47
64	Lithuanian	Lietuvių	29	339
65	Chuvash	Чӑвашла	27	122
66	Afaan Oromo	Afaan Oromoo	26	42
67	Macedonian	Македонски	25	473
68	Romanian	Română	25	465
69	Indus Kohistani	اباسیْن کوستَیں	23	57
70	Ngiembon	Ngiembon	23	17
71	Ormuri	اُرمړي	22	21
72	Palula	پالولا	22	20
73	Greek	Ελληνικά	21	463
74	Taiwanese (Minnan)	台語	21	303
75	Bafia	Bafia	20	25
76	Marathi	मराठी	20	110
77	Ewondo	Ewondo	19	31
78	Torwali	توروالی	19	27
79	Balti	بلتی	18	157
80	Khowar	کھوار	18	51
81	Slovenian	slovenščina	18	1,008
82	Aragonese	Aragonés	17	53
83	Batanga	Batanga	17	21
84	Bulgarian	Български	17	155
85	Dagbani	Dagbanli	17	69
86	Dargwa	Дарган	16	50
87	Hindi	हिंदी	16	487
88	Sakha	Саха тыла	16	256
89	Svan	ლუშნუ	16	57
90	Toki Pona	toki pona	16	179
91	Finnish	suomi	15	254
92	Interlingua	Interlingua	15	72
93	Irish	Gaeilge	15	285
94	Pahari-Pothwari	Pahari-Pothwari	15	63
95	Paiwan	Paiwan	15	27
96	Adamawa Fulfulde	Adamawa Fulfulde	14	21
97	Duala	Duala	14	13
98	Eastern Balochi	بلوچی	14	30
99	Mada	Mada	14	22
100	Medumba	Medumba	14	96
101	Sakizaya	Sakizaya	14	26
102	Adja	Adja	13	23
103	Chokwe	Chokwe	13	45
104	Cornish	Kernowek	13	11
105	Danish	Dansk	13	302
106	Gawarbaiti	گوَرباتی	13	5
107	Ghomala	Ghomala	13	31
108	Gurgula	Gurgula	13	24
109	Kohistani Shina	کوہستانی شینا	13	10
110	Kom	Kom	13	27
111	Nigerian Pidgin English	Nigerian Pidgin English	13	60
112	Wakhi	Wakhi (Wuk̃hikwor)	13	15
113	Atayal	Atayal	12	19
114	Baatonum	Baatɔnum	12	14
115	Bankon	Ɓàŋkón	12	22
116	Baoule	Baoule	12	18
117	Basaa	Basaa	12	57
118	Fang	Fang	12	43
119	Fe'efe'e	Fe'efe'e	12	32
120	Gawri	گاؤری	12	22
121	Ibibio	Ibibio	12	19
122	Kichwa	Kichwa	12	15
123	Loarki	Loarki	12	20
124	Losso	Losso	12	35
125	Mina	Mina	12	20
126	Mingrelian	მარგალური	12	92
127	Mungaka	Mungaka	12	9
128	Musgum	Musgum	12	18
129	Ngomba	Ngomba	12	16
130	Nuasue	Nuasue	12	10
131	Oadki	Oadki	12	20
132	Orizaba Nahuatl	Nauatl	12	16
133	Parkari Koli	Parkari Koli	12	22
134	Quechua Santiago del Estero	Quechua Santiago del Estero	12	24
135	Southern Pastaza Quechua	Southern Pastaza Quechua	12	15
136	Tigre	ትግረ	12	156
137	Tuki	Tukí	12	14
138	Tush	ვაჲღეჼ	12	23
139	Wadiyara Koli	Wadiyara Koli	12	22
140	Asheninka Perene	Asheninka Perene	11	13
141	Asheninka South Ucayali	Asheninka South Ucayali	11	15
142	Bafut	Bafut	11	36
143	Bakoko	Bakoko	11	13
144	Bamun	Shüpamom	11	14
145	Bamvele	Bamvele	11	33
146	Bateri	Bateri	11	16
147	Borgu Fulfulde	Borgu Fulfulde	11	10
148	Brahui	براہوئی	11	18
149	Brushaski	Mishaski	11	27
150	Bulu	Bulu	11	22
151	Bunun	Bunun	11	20
152	Cameroon Pidgin	Cameroon Pidgin	11	18
153	Central Puebla Nahuatl	Nahuat	11	41
154	Copainalá Zoque	Copainalá Zoque	11	12
155	Dameli	Dameli	11	5
156	Dawoodi	داوُدِݵ	11	10
157	Dhatki	Dhatki	11	12
158	Ekoti	Ekoti	11	7
159	Eton	Eton	11	26
160	Goaria	Goaria	11	20
161	Guidar	Guidar	11	16
162	Guiziga	Guiziga	11	32
163	Gujari	گوجری	11	8
164	Hazargi	Hazargi	11	9
165	Huautla Mazatec	Huautla Mazatec	11	7
166	Kachhi	Kachhi	11	23
167	Kalasha	Kalasha	11	23
168	Kalkoti	کلکوٹی	11	9
169	Kateviri	کتہ وری	11	14
170	Khetrani	کھیترانی	11	11
171	Kihemba	Kihemba	11	41
172	Kirombo	Kirombo	11	24
173	Kotokoli	Kotokoli	11	20
174	Kunabembe	Kunabembe	11	9
175	Kwasio	Kwasio	11	11
176	Loja Highland Kichwa	Loja Highland Kichwa	11	16
177	Manx	Manx	11	9
178	Marwari	Marwari	11	20
179	Massa	Massa	11	35
180	Matses	Matses	11	21
181	Mbo	Mbo	11	13
182	Mbum	Mbum	11	7
183	Mengambo	Mengambo	11	14
184	Mokpwe	Mokpwe	11	15
185	Moussey	Moussey	11	18
186	Mpiemo	Mpiemo	11	10
187	Mundang	Mundang	11	17
188	Northern Hindko	شمالی ہندکو	11	36
189	Northwest Gbaya	Gbáyá yààyúwèè	11	35
190	Nyungwe	Nyungwe	11	5
191	Ouldémé	Ouldémé	11	20
192	Quechua Arequipa-La Unión	Quechua Arequipa-La Unión	11	16
193	Quechua Cajatambo	Quechua Cajatambo	11	19
194	Quechua Chiquián	Quechua Chiquián	11	18
195	Quechua Pasco Santa Ana de Tusi	Quechua Pasco Santa Ana de Tusi	11	16
196	Quechua Sihuas Ancash	Quechua Sihuas Ancash	11	12
197	Quechua Yanahuanca	Quechua Yanahuanca	11	12
198	Quechua Yauyos	Quechua Yauyos	11	15
199	Rukai	Drekay	11	20
200	Sansi	Sansi	11	21
201	Seri	Seri	11	17
202	Shina	شِینا	11	40
203	Sindhi Bhil	Sindhi Bhil	11	21
204	Tepeuxila Cuicatec	Tepeuxila Cuicatec	11	11
205	Teutila Cuicatec	Dbaku	11	15
206	Tlingit	Tlingit	11	3
207	Tshiluba	Tshiluba	11	46
208	Tunen	Tunen	11	13
209	Tupuri	t'pur	11	51
210	Western Highland Purepecha	Western Highland Purepecha	11	9
211	Yadgha	Yadgha	11	18
212	Yaqui	Jiak noki	11	5
213	Central Tarahumara	Rarámuri	10	17
214	Huarijio	Makurawe	10	12
215	Jaqaru	Jaqaru	10	12
216	Lassi	لاسي	10	15
217	Ngombale	Ngombale	10	15
218	Nüpode Huitoto	Nüpode Huitoto	10	13
219	Quechua Ambo-Pasco	Quechua Ambo-Pasco	10	13
220	Quechua Corongo Ancash	Quechua Corongo Ancash	10	13
221	Quechua Jauja Wanka	Quechua Jauja Wanka	10	14
222	Seediq	Seediq	10	10
223	Kidaw'ida	Kidaw'ida	9.3	24
224	Albanian	Shqip	9.1	156
225	Maltese	Malti	8.8	225
226	Serbian	Српски	7.7	190
227	Vietnamese	Việt	7.7	423
228	Central Alaskan Yup'ik	Central Alaskan Yup'ik	7.6	4
229	Romansh Sursilvan	romontsch sursilvan	7.6	93
230	Iñupiaq	Iñupiaq	7.2	2
231	Sorbian, Upper	Hornjoserbšćina	6.8	42
232	Ushojo	Ushojo	6.7	23
233	Yoruba	Yòrùbá	6.5	141
234	Guarani	Guarani	5.1	315
235	Ligurian	Ligure	5.1	40
236	Hausa	Hausa	4.4	79
237	Khakas	Khakas	4.4	70
238	Saraiki	سرائیکی	4.3	60
239	Setswana	Setswana	4.3	19
240	Erzya	Эрзянь кель	3.8	13
241	Abaza	Abaza	3.6	65
242	Hebrew	עברית	3.6	60
243	Sardinian	Sardu	3.0	50
244	Assamese	অসমীয়া	2.9	57
245	Malayalam	മലയാളം	2.9	160
246	Odia	ଓଡ଼ିଆ	2.9	167
247	Turkmen	Türkmençe	2.9	153
248	Romansh Vallader	Rumantsch vallader	2.8	55
249	Igbo	Ásụ̀sụ́ Ìgbò	2.6	194
250	Kazakh	Қазақ тілі	2.5	207
251	Punjabi	ਪੰਜਾਬੀ	2.5	76
252	Ebrie	Ebrie	2.4	7
253	Norwegian Bokmål	Norsk (bokmål)	2.3	70
254	Korean	한국어	2.2	217
255	Hakha Chin	Laiholh (Hakha)	2.1	302
256	Yiddish	אידיש	2.1	132
257	Amharic	አማርኛ	2.0	59
258	Zaza	Kurdkî (Zazakî)	2.0	25
259	Occitan	occitan	1.9	150
260	Norwegian Nynorsk	Norsk (nynorsk)	1.7	43
261	Tamazight	ⵜⴰⵎⴰⵣⵉⵖⵜ	1.5	51
262	Nepali	नेपाली	1.4	65
263	Ossetian	Ирон	1.4	39
264	Afrikaans	Afrikaans	1.0	71
265	Asturian	Asturianu	0.9	36
266	Alsatian	Elsassisch	0.8	47
267	Tajik	Тоҷикӣ	0.8	11
268	Telugu	తెలుగు	0.8	78
269	Azerbaijani	Azərbaycanca	0.6	48
270	Santali (Ol Chiki)	ᱥᱟᱱᱛᱟᱲᱤ (ᱚᱞ ᱪᱤᱠᱤ)	0.6	14
271	Moksha	Мокшень кяль	0.5	12
272	Dioula	Dioula ye	0.4	35
273	Malay	Bahasa Melayu	0.4	65
274	Sindhi	Sindhi	0.4	39
275	Khmer	ខ្មែរ	0.3	16
276	Lao	ພາສາລາວ	0.3	16
277	Twi	Twi	0.3	22
278	Aromanian	Aromanian	0.1	9
279	Icelandic	Íslenska	0.1	8
280	Tigrinya	ትግርኛ	0.1	17
281	Votic	vad̕d̕a	0.1	6
282	Western Sierra Puebla Nahuatl	Western Sierra Puebla Nahuatl	0.1	6
283	Acehnese	Bahsa Acèh	0	0
284	Achomi	Achomi	0	0
285	Afar	Afar	0	0
286	Amba	Amba	0	0
287	Arvanitika	Arvanitika	0	0
288	Baba Malay	Baba Malay	0	0
289	Badaga	Badaga	0	0
290	Balochi	Balochi	0	0
291	Bambara	Bamanankan na	0	0
292	Betawi	Betawi	0	0
293	Bodo	Bodo	0	0
294	Bosnian	Bosnian	0	0
295	Bukusu	Bukusu	0	0
296	Burmese	ဗမာ	0	0
297	Buryat	Буряад	0	0
298	Chechen	Нохчийн	0	0
299	Chiga	Chiga	0	0
300	Chinyanja	Chinyanja	0	0
301	Corsican	Corsu	0	0
302	Crimean Tatar	Crimean Tatar	0	0
303	Croatian	Hrvatski	0	3
304	Dinka	Dinka	0	0
305	Dzongkha	Dzongkha	0	0
306	Eastern Huasteca Nahuatl	Náhuatl de la Huasteca Oriental	0	0
307	Eastern Min	Eastern Min	0	0
308	Eastern Penan	Eastern Penan	0	0
309	Edo	Edo	0	0
310	Efik	Efik	0	0
311	Emakhuwa	Emakhuwa	0	0
312	Ewe	Ewe	0	0
313	Faroese	Føroyskt	0	0
314	Fulah	Pulaar-Fulfulde	0	0
315	Ga	Ga	0	0
316	Gheg Albanian	Gheg Albanian	0	0
317	Gilaki	Gilaki	0	0
318	Gorani	Gorani	0	0
319	Gronings	Gronings	0	0
320	Gujarati	Gujarati	0	0
321	Haitian	Ayisyen	0	3
322	Hakka	Hakka	0	0
323	Heng Hua	Heng Hua	0	0
324	Highland Puebla Nahuatl	Highland Puebla Nahuatl	0	0
325	Hiligaynon	Hiligaynon	0	0
326	Hunsrik	Hunsrik	0	0
327	Iban	Iban	0	0
328	Interlingue	Interlingue	0	0
329	IsiNdebele (North)	IsiNdebele (North)	0	0
330	IsiNdebele (South)	IsiNdebele (Sewula)	0	2
331	Izhorian	Izhorian	0	0
332	Jamaican Patois	Jamaican Patois	0	0
333	Javanese	basa jawa	0	0
334	K'iche'	K'iche'	0	0
335	Kaitag	Kaitag	0	0
336	Kalaallisut	Kalaallisut	0	0
337	Kannada	ಕನ್ನಡ	0	0
338	Kaqchikel	Kaqchikel	0	0
339	Kara	Kara	0	0
340	Karachay-Balkar	Karachay-Balkar	0	0
341	Karakalpak	Қарақалпақ	0	0
342	Kasem	Kasem	0	0
343	Kashmiri	Kashmiri	0	0
344	Kelabit	Kelabit	0	0
345	Kenyah	Kenyah	0	0
346	Kenyi	Kenyi	0	0
347	Kikamba	Kikamba	0	0
348	Kikuyu	Kikuyu	0	0
349	Kirundi	Kirundi	0	0
350	Komi-Zyrian	Коми кыв	0	0
351	Konkani (Devanagari)	Konkani (Devanagari)	0	0
352	Konkani (Romi)	Gõychi Konknni (Romi)	0	0
353	Konzo	Konzo	0	0
354	Kreol Morisien	Kreol Morisien	0	0
355	Kuku	Kuku	0	0
356	Kumyk	Kumyk	0	0
357	Ladin	Ladin	0	0
358	Lango	Lango	0	0
359	Lendu	Lendu	0	0
360	Levantine Arabic	Levantine Arabic	0	0
361	Lingala	Lingala	0	0
362	Lojban	Lojban	0	0
363	Luxembourgish	Luxembourgish	0	0
364	Maithili	मैथिली	0	0
365	Malagasy	Malagasy	0	0
366	Mapudungun	Mapuzugun	0	0
367	Mara	Mara	0	0
368	Martinican Creole	Martinican Creole	0	0
369	Mazandarani	مازرونی	0	0
370	Meetei Lon	ꯃꯤꯇꯩ ꯂꯣꯟ	0	0
371	Melanau	Melanau	0	0
372	Michoacán Mazahua	Jñatjo	0	0
373	Mixteco Yucuhiti	Mixteco Yucuhiti	0	0
374	Mon	မန်	0	0
375	Mooré	Mooré	0	0
376	Musi	Musi	0	0
377	NKo	NKo	0	0
378	Newari	Newari	0	0
379	Ngambay	Ngambay	0	0
380	Nias	Nias	0	0
381	Northern Sotho	Sesotho sa Leboa	0	2
382	Nubi	Nubi	0	0
383	Nyagbo	Nyagbo	0	0
384	Pa'O	ပအိုဝ်ႏ	0	2
385	Palauan	Palauan	0	0
386	Papantla Totonac	Papantla Totonac	0	0
387	Papiamento	Papiamento	0	0
388	Papiamento (Aruba)	Papiamento (Aruba)	0	0
389	Picard	Picard	0	0
390	Pular Guinea	Pular Guinea	0	0
391	Qashqai	Qashqai	0	0
392	Quechua Chanka	Quechua Chanka	0	8
393	Quichua Chimborazo Highland	Quichua Chimborazo Highland	0	0
394	Rakhine	Rakhine	0	0
395	Runyankole	Runyankole	0	0
396	Rutoro	Rutoro	0	0
397	Ruuli	Ruuli	0	0
398	Sa'ban	Sa'ban	0	0
399	Sabah Bisaya	Sabah Bisaya	0	0
400	Sabah Malay	Sabah Malay	0	0
401	Sango	Sango	0	0
402	Scots	Scots	0	0
403	Sena	Sena	0	0
404	Serian Bidayuh	Serian Bidayuh	0	0
405	Shan	တႆး	0	0
406	Shimaore	Shimaore	0	0
407	Shona	Shona	0	0
408	Sicilian	Sicilianu	0	0
409	Sinhala	සිංහල	0	0
410	Siswati	Siswati	0	3
411	Somali	Somali	0	0
412	Soninke	Soninke	0	0
413	Sorbian, Lower	Dolnoserbšćina	0	6
414	Southern Kurdish	Southern Kurdish	0	0
415	Southern Sotho	Sesotho sa Borwa	0	3
416	Sundanese	Basa Sunda	0	0
417	Suret	Suret	0	0
418	Syriac	ܣܘܪܝܝܐ	0	0
419	Tagalog	Tagalog	0	0
420	Tahitian	Tahitian	0	0
421	Tarifit	Tarifit	0	0
422	Tashlhiyt	Tashlhiyt	0	0
423	Teke	Teke	0	0
424	Thur	Thur	0	0
425	Tibetan	Tibetan	0	0
426	Tiv	Tiv	0	0
427	Tlazoyaltepec Mixtec	Tlazoyaltepec Mixtec	0	0
428	Toba Qom	Toba Qom	0	0
429	Tshivenda	Tshivenḓa	0	3
430	Tudaga	Tudaga	0	0
431	Tumbuka	Tumbuka	0	0
432	Tuvan	Тыва дыл	0	0
433	Ubykh	Ubykh	0	0
434	Udmurt	Udmurt	0	0
435	Uspanteko	Uspanteko	0	0
436	Venetian	Vèneto	0	0
437	Wayuunaiki	Wayuunaiki	0	0
438	West Flemish	West Flemish	0	0
439	Western Penan	Western Penan	0	0
440	Westphalian	Westphalian	0	0
441	Wixárika	Wixárika	0	0
442	Wolof	Wolof	0	0
443	Xhosa	IsiXhosa	0	7
444	Xitsonga	Xitsonga	0	3
445	Zulu	Zulu	0	14