World Health Organization, United Nations International Children's Emergency Fund (UNICEF)
Childhood overweight brief
Briefs & Fact Sheets
20 Oct 2025
Childhood Obesity Surveillance Initiative COSI - Fact sheet highlights 2018-2020
World Health Organization. Regional Office for Europe.
08 Nov 2022
The fifth round of COSI data collection took place between 2018 and 2020 in 33 countries. In total, almost 411 000 children aged 6–9 years were measured. The full details of the fifth round of data collection are described in a report
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