Adult Obesity Rates
Updated September 2021: According to the most recent Behavioral Risk Factor Surveillance System (BRFSS) data, adult obesity rates now exceed 35% in 16 states. Mississippi has the highest adult obesity rate at 39.7% and Colorado has the lowest at 24.2%. Between 2019-2020, the adult obesity rate increased in Alabama, California and Iowa. Since 2015, the adult obesity rate has increased significantly in 26 states.
States exceeded in adult obesity rates by 35%.
The national highest adult obesity rate, which was in Mississippi.
Number of states where adult obesity rates increased: Alabama, California and Iowa.
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Note: A change in methodology makes direct comparisons to data collected prior to 2011 difficult. Read the full rates and ranks methodology for more information.
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