The obesity rate for black adults was 39 percent, compared with Even though the trend of racial disparities in obesity for youth and adults is not necessarily new, Long says it should remain a primary area of concern. The following statistics comprise adults age 20 and over. At the same time, these children are exposed to high-fat, high-sugar, high-salt, energy-dense, and micronutrient-poor foods, which tend to be lower in cost but also lower in nutrient quality. Obesity is distributed unevenly across racial groups in the United States. The United States contains one of the highest percentage of obese people in the world. These campaigns promote physical activity in an effort to reduce obesity especially for children.