Prevalence of obesity among adults: United States, 2011-2012.

KEY FINDINGS: Data from the National Health and Nutrition Examination Survey, 2011-2012. More than one-third (34.9%) of adults were obese in 2011-2012. In 2011-2012, the prevalence of obesity was higher among middle-aged adults (39.5%) than among younger (30.3%) or older (35.4%) adults. The overall prevalence of obesity did not differ between men and women in 2011-2012. Among non-Hispanic black adults, however, 56.6% of women were obese compared with 37.1% of men. In 2011-2012, the prevalence of obesity was higher among non-Hispanic black (47.8%), Hispanic (42.5%), and non-Hispanic white (32.6%) adults than among non-Hispanic Asian adults (10.8%). The prevalence of obesity among adults did not change between 2009-2010 and 2011-2012.