> The organization estimates that 3/4 of the American population will likely be overweight or obese by 2020.[13] According to research done by the Harvard T.H. Chan School of Public Health, it is estimated that around 40% of Americans are considered obese, and 18% are considered severely obese as of 2019. Severe obesity is defined as a BMI over 35 in the study. Their projections say that about half of the US population (48.9%) will be considered obese and nearly 1 in 4 (24.2%) will be considered severely obese by the year 2030.[14][15]