U.S. childhood and teen obesity rates have reached record highs while adult obesity rates may be showing signs of leveling off, according to two new reports published by the Centers for Disease Control and Prevention. Researchers used measured heights and weights from the National Health and Nutrition Examination Survey, a CDC program that has tracked national health trends since the 1960s.
The reports analyze data from surveys conducted between August 2021 and August 2023, representing the most recent comprehensive national data available on obesity prevalence across age groups.
What the Right Is Saying
Conservative critics of expanded federal nutrition programs argue that personal responsibility and family choice should remain central to addressing obesity. Senator Joni Ernst of Iowa has previously supported legislation encouraging workplace wellness programs and has spoken about the need for individuals to make healthier choices without government mandates.
The Foundation for Government Accountability, a conservative think tank, has argued that federal nutrition programs have not effectively addressed obesity and that policy should focus on empowering individuals through education and community-based initiatives rather than expanding government spending.
Some Republican legislators have also raised concerns about the impact of regulatory proposals on food prices and agricultural markets, arguing that nutrition policy should not come at the expense of farmers or increase costs for families. Senator Mike Lee of Utah has advocated for reducing regulatory barriers that he says increase food prices.
What the Left Is Saying
Progressive public health advocates and Democratic lawmakers are using the childhood obesity data to renew calls for expanded federal intervention in nutrition and health policy. The American Academy of Pediatrics, which has advocated for structural approaches to addressing obesity, has called for policies that increase access to healthy foods in underserved communities and expand school-based nutrition programs.
Senator Cory Booker of New Jersey has introduced legislation aimed at reducing childhood obesity rates through community grant programs and nutritional education initiatives. Booker has argued that addressing childhood obesity requires confronting what he calls 'food deserts' — areas where residents have limited access to affordable, nutritious food.
Progressives have also pointed to the connection between socioeconomic factors and obesity rates, noting that low-income communities and communities of color continue to be disproportionately affected. The Congressional Black Caucus has called for targeted investments in nutrition programs as a matter of health equity.
What the Numbers Show
According to the CDC's National Health and Nutrition Examination Survey, 40.3% of adults aged 20 and older were found to be obese in the most recent survey period, including 9.7% classified as having severe obesity. An additional 31.7% of adults were classified as overweight.
The adult obesity rate represents a continued increase from previous decades but shows a slower rate of growth compared to historical trends. When the CDC first began tracking obesity rates in the 1960s, approximately 13% of adults were classified as obese.
Childhood and teen obesity rates have now reached levels not previously recorded in the survey's history. The data shows significant disparities by age group, with obesity rates varying substantially between children, adolescents and adults.
The NHANES data also shows persistent disparities by income level and education, with lower-income Americans and those without college degrees showing higher obesity rates than wealthier and more educated populations.
The Bottom Line
The CDC data reveals a divergent trend: while adult obesity growth may be slowing, childhood and teen rates have reached unprecedented levels. This discrepancy presents distinct policy challenges for both age groups.
Public health experts note that addressing childhood obesity will require sustained intervention over many years, as habits formed in youth often persist into adulthood. The long-term health implications include increased risk of diabetes, cardiovascular disease and other conditions.
Both sides of the political spectrum have offered different approaches to addressing obesity, with progressives emphasizing structural factors and government programs while conservatives stress individual choice and community solutions. The data suggests that any comprehensive approach will need to address the socioeconomic factors that contribute to disparities in obesity rates across populations.
What remains clear is that obesity remains one of the most significant public health challenges facing the United States, with implications for healthcare costs, life expectancy and quality of life across all age groups.