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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.

Open the Common Voice observatory
Languages
333
Hours (scripted)
42,376
recorded, across every language
Hours (spontaneous)
515
Updated
Aug 5, 2026

Languages in Common Voice

11 of 333 shown

Detail
Chinese
zho
1,2069,911319detail →
Yue Chinese
yue
4514,296319detail →
Hindi
hin
2748016detail →
Min Nan Chinese
nan
2430022detail →
Kohistani Shina
plk
171013detail →
Pu-Xian Chinese
cpx
1129detail →
Northern Hindko
hno
103610detail →
Shina
scl
104010detail →
Min Dong Chinese
cdo
1032detail →
Hakha Chin
cnh
63012detail →
Rakhine
rki
114detail →

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