Compared to overweight or obese, a body weight that is less likely to be linked with any weight-related health problems, such as type 2 diabetes, heart disease, high blood pressure, and high blood cholesterol. A body mass index (BMI) of 18. 5 to 24. 9 is considered a healthy weight, though not all individuals with a BMI in this range may be at a healthy level of body fat; they may have more body fat tissue and less muscle. A person with a BMI of 25 to 29. 9 is considered overweight, and a person with a BMI of 30 or more is considered obese.