Health Risk Classification According to Body Mass Index (BMI)

BMI	Risk of developing health problems
< 18.5	Increased
18.5 - 24.9	Least
25.0 - 29.9	Increased
30.0 - 34.9	High
35.0 - 39.9	Very high
>= 40.0	Extremely high

Note: For persons 65 years and older the 'normal' range may begin slightly above BMI 18.5 and extend
into the 'overweight' range.

Adapted from: WHO (2000) Obesity: Preventing and Managing the Global Epidemic: Report of a WHO
Consultation on Obesity.