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
6 of 333 shown
| Detail | |||||
|---|---|---|---|---|---|
German deu | 1,490 | 20,529 | 1,392 | 1 | detail → |
Romanian ron | 52 | 464 | 25 | — | detail → |
Romansh roh | 16 | 148 | 10 | — | detail → |
Manx glv | 11 | 9 | 10 | 1 | detail → |
Swiss German gsw | 2 | 43 | 1 | 8 | detail → |
Macedo-Romanian rup | 0 | 9 | 0 | — | detail → |
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