From 1999–2000 to 2017–2018, the prevalence of obesity among persons aged 2–19 years increased from 13.9% to 19.3%, and the prevalence of severe obesity increased from 3.6% to 6.1%.
Source: National Center for Health Statistics, National Health and Nutrition Examination Survey, 1999–2000 to 2017–2018. https://www.cdc.gov/nchs/nhanes.htm.
NCHStats 