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Percentage of children and adolescents in the United States under 18 years who had ever been diagnosed with asthma from 2019 to 2025, by age

Prevalence of asthma among U.S. children and adolescents 2019-2025, by age

Last update: Sep 11, 2026

Region: United States of America

Survey time period: 2019 to 2025


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