In 2021, the total number of new hepatitis B cases in children and adolescents worldwide was roughly 11.1 million. The age group between 15 and 19 years had the highest number of new cases that year, at nearly 3.9 million cases. The global incidence of hepatitis B among youth in 2021 was nearly three times lower than in 1990.
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BMC Public Health. (October 22, 2024). Number of new hepatitis B cases in children and adolescents worldwide in 1990 and 2021, by age group (in thousands) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1618219/new-global-hep-b-cases-in-youth-by-age/
BMC Public Health. "Number of new hepatitis B cases in children and adolescents worldwide in 1990 and 2021, by age group (in thousands)." Chart. October 22, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1618219/new-global-hep-b-cases-in-youth-by-age/
BMC Public Health. (2024). Number of new hepatitis B cases in children and adolescents worldwide in 1990 and 2021, by age group (in thousands). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1618219/new-global-hep-b-cases-in-youth-by-age/
BMC Public Health. "Number of New Hepatitis B Cases in Children and Adolescents Worldwide in 1990 and 2021, by Age Group (in Thousands)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 22 Oct 2024, /statistics/1618219/new-global-hep-b-cases-in-youth-by-age/
BMC Public Health, Number of new hepatitis B cases in children and adolescents worldwide in 1990 and 2021, by age group (in thousands) ÌÇÐÄÆƽâ°æ, /statistics/1618219/new-global-hep-b-cases-in-youth-by-age/ (last visited July 29, 2026)
Number of new hepatitis B cases in children and adolescents worldwide in 1990 and 2021, by age group (in thousands) [Graph], BMC Public Health, October 22, 2024. [Online]. Available: /statistics/1618219/new-global-hep-b-cases-in-youth-by-age/
