Share of children with dental caries Japan 2014-2020, by age group

Share of young students with dental caries in Japan from 2014 to 2020, by age group

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Release date

July 2021



Survey time period

2014 to 2020*

Special properties

ages of respondents are as of April 1 of each year

Supplementary notes

*Due to the spread of coronavirus disease (COVID-19), the data from 2020 were based on the medical examinations conducted from April 1, 2020, to March 31, 2021.

Figures are based on the results of medical examinations that are conducted from April 1 to June 30 of each year among children aged between 5 to 17 years old in kindergarten to high school.

Sample size:
2014 n=3,337,494
2015 n=3,351,047
2016 n=3,437,062
2017 n=3,405,501
2018 n=3,423,771
2019 n=3,371,982
2020 n=3,340,921

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