Table 2—

Classification of overweight and obesity by BMI, waist circumference, and associated disease risk

BMI (kg/m2)Obesity classDisease risk*
WC: men ≤40 inches; women ≤35 inchesWC: men ≥40 inches; women ≥35 inches
Underweight<18.5
Normal18.5–24.9
Overweight25.0–29.9IncreasedHigh
Obesity30.0–34.9IHighVery high
35.0–39.9IIVery highVery high
Extreme obesity≥40IIIExtremely highExtremely high
  • *

    * Disease risk for type 2 diabetes, hypertension, and CVD. Adapted from ref. 9. WC, waist circumference.