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National Obesity Monitor

The National Health and Nutrition Examination Survey (NHANES) is conducted every two years by the National Center for Health Statistics and funded by the Centers for Disease Control and Prevention. The survey measures childhood obesity rates and adult obesity rates among people ages 2 and older. Find the latest national data and trends over time, including by age group, sex, and race. Data are available through 2017-2018, with the exception of obesity rates for children by age group, sex and race, which are available through 2015-2016. The feature will be updated when 2017-2018 data for children across these subgroups are published.

Notes & Sources

The National Health and Nutrition Examination Survey examines a nationally representative sample of Americans ages 2 and older. It combines interviews with physical examinations to ensure data accuracy. The survey size (approximately 5,000 interviews per two years) inhibits break out of state or local data.

The latest information about statistically significant changes is available at:  www.cdc.gov/nchs/products/databriefs/db360.htm. Learn more: The National Center for Health Statistics. National Health and Nutrition Examination Survey: 2017-2018. Centers for Disease Control and Prevention. www.cdc.gov/nchs/nhanes

Additional Data

15.5%

In 2019, 15.5% of high school students had obesity, according to the Youth Risk Behavior Surveillence System.

high school data

15.5%

In 2018-19, 15.5% of youth ages 10 to 17 had obesity, according to the National Survey of Children’s Health.

youth 10-17 data

13.9%

In 2016, 13.9% of 2 to 4 year-olds enrolled
in WIC had obesity, down from 15.9% in 2010.

WIC data