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
4 of 333 shown
| Detail | |||||
|---|---|---|---|---|---|
Spanish spa | 2,279 | 26,940 | 595 | 1 | detail → |
Finnish fin | 23 | 251 | 16 | — | detail → |
Danish dan | 16 | 302 | 13 | — | detail → |
Cornish cor | 13 | 10 | 12 | — | detail → |
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