During 2011–2014, 13.3% of children and adolescents aged 6–19 years had untreated dental caries in their permanent teeth.
The percentage of children and adolescents with untreated dental caries increased with age: 6.1% among those aged 6–11 years, 14.5% among those aged 12–15 years, and 22.6% among those aged 16–19 years.
Source: https://www.cdc.gov/mmwr/volumes/66/wr/mm6601a11.htm
NCHStats 