---
title: Supplementary data collection
description: Learn about our demographic data collection process.
image: https://www.cocoriko.org/hubfs/9-4.png
---

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# Supplementary data collection

By [**Team Cocoriko**](https://www.cocoriko.org/en/support/author/équipe-de-cocoriko) on Feb 4, 2026 3:45:18 PM

We collect non-descriptive supplementary (demographic) data to improve data analysis, and it is necessary to provide this information in order to participate on the Cocoriko online participation platform. The information provided is confidential and the data is stored in accordance with applicable laws.

To write comments, people must provide their first and last names. People always have the choice of whether or not to write a comment, and the comment field is optional on questions. Contributions to open-ended questions are confidential.

People participating on Cocoriko will only be asked to provide this information once during their use of the site. The information is requested when the person clicks to vote on a question. If this is their first vote on Cocoriko, a window will open to request the information. For all subsequent participation using the same email address, the window will not appear. The data is stored in our system and linked to their email address.

Below is a screenshot of the window that will appear when voting on a question for the first time:

 

![Supplementary data](https://www.cocoriko.org/hs-fs/hubfs/Supplementary%20data.png?width=618&height=517&name=Supplementary%20data.png)

The collection of demographic data may be withdrawn. [Read the article](https://www.cocoriko.org/en/support/choisir-de-retirer-la-collecte-des-donn%C3%A9es-d%C3%A9mographiques-obligatoires?hsLang=en) on this subject.

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