FAQ

FAQ: How long does it take to publish my dataset on MDC?

Mozilla Data Collective

07 Jan 2026 — 1 min read

We review every request to become a data provider on Mozilla Data Collective.

Reviewing Uploader Requests
If you have not already been in contact with our team about uploading data to Mozilla Data Collective, a member of our team will reach out to you via email to discuss your dataset and goals with sharing it. We aim to reach out to everyone who requests to upload to Mozilla Data Collective within a week of receiving the request, though holidays and busy times for the teams may extend this.

Reviewing Datasets
Once you have completed your datasheet, uploaded your dataset, and submitted for review, our team will aim to be in touch with you within a week or two and either a) approve your dataset, at which point it will be live on the platform, or b) contact you with any changes that need to be made before publishing.

Pashto becomes third-highest language by volume of data in Common Voice v24

Key highlights from the Common Voice v24 Scripted Speech and v2 Spontaneous Speech release.

FAQ: How can I contribute to Mozilla Data Collective?

We are a collective of linguists, technologists, activists, researchers and creatives. Whether you’re interested in stewarding data, conducting research, developing new AI and ML technologies, or just want to be part of our community working to make AI all it promises to be - not all it threatens to

FAQ: Do I need to be part of an organization to upload a dataset to Mozilla Data Collective?

No, you do not need to be a part of an organization to upload a dataset to Mozilla Data Collective. We recognize that there are many use cases where an individual might want to share datasets that they have created, either on their own or on behalf of a group.

Screenshot of the Common Voice Spontaneous Speech 1.0 - English Data Listing at MDC

Improving the Spontaneous Speech English dataset: lifting the lid on speech data quality uplift techniques

Firstly, we’d like to thank you for your patience. After introducing Spontaneous Speech early in 2025, we released most locale datasets when the Mozilla Data Collective platform launched in alpha in September of this year. However, upon inspection, the English Spontaneous Speech dataset required some remedial work prior to

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Pashto becomes third-highest language by volume of data in Common Voice v24

FAQ: How can I contribute to Mozilla Data Collective?

FAQ: Do I need to be part of an organization to upload a dataset to Mozilla Data Collective?

Improving the Spontaneous Speech English dataset: lifting the lid on speech data quality uplift techniques