|
Classification of Overweight and Obesity by BMI,
Waist Circumference,
and Associated Disease Risks
Disease Risk* Relative to Normal Weight and Waist
Circumference
| |
BMI
(kg/m2) |
Obesity
Class |
Men 102 cm (40 in) or
less
Women 88 cm (35 in) or less |
Men
> 102 cm (40 in)
Women > 88 cm (35 in)
|
Underweight |
< 18.5 |
|
- |
- |
Normal |
18.5 - 24.9 |
|
- |
- |
Overweight |
25.0 - 29.9 |
|
Increased |
High |
Obesity |
30.0
- 34.9 |
I |
High |
Very High |
| |
35.0 - 39.9 |
II |
Very
High |
Very High |
| Extreme Obesity |
40.0 + |
III |
Extremely High
|
Extremely High
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*
Disease risk for type 2 diabetes, hypertension, and
CVD.
+ Increased waist circumference can also be a
marker for increased risk even in persons of normal
weight | 
