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
2 of 333 shown
| Detail | |||||
|---|---|---|---|---|---|
English eng | 3,781 | 100,172 | 2,785 | 18 | detail → |
Polish pol | 189 | 3,470 | 177 | — | detail → |
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