data source
Common Voice
Mozilla's crowdsourced speech dataset; counts here are recorded and validated speech hours per language, across its scripted-speech and spontaneous-speech corpora.
speechcrowdsourced
Also on IDLI
Common Voice has a dedicated observatory on IDLI — the fuller view of this source.
Languages
333
Hours (scripted)
42,376
recorded, across every language
Hours (spontaneous)
515
Updated
Aug 5, 2026
Languages in Common Voice
13 of 333 shown
| Detail | |||||
|---|---|---|---|---|---|
Chinese zho | 1,206 | 9,911 | 319 | — | detail → |
Japanese jpn | 726 | 7,834 | 372 | — | detail → |
Yue Chinese yue | 451 | 4,296 | 319 | — | detail → |
Portuguese por | 229 | 3,843 | 188 | — | detail → |
Min Nan Chinese nan | 24 | 300 | 22 | — | detail → |
Vietnamese vie | 23 | 417 | 8 | — | detail → |
Aragonese arg | 18 | 53 | 17 | 2 | detail → |
Maltese mlt | 18 | 225 | 9 | — | detail → |
Pu-Xian Chinese cpx | 11 | 29 | — | — | detail → |
Min Dong Chinese cdo | 10 | 32 | — | — | detail → |
Assamese asm | 8 | 51 | 3 | — | detail → |
Javanese jav | 1 | 3 | — | — | detail → |
Sundanese sun | 1 | 2 | — | — | detail → |
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