JSSM 2003 - 2, SUPPLEMENTUM 3, Table 4

Table 4. Classification of BMI by WHO (Adapted from Seidell and Flegal, 1997). Source: (WHO, 2000).

Classification

BMI (kg·m^-2)

Population description

Underweight	<18.5	Thin
Normal range	18.5-24.9	Normal, healthy, acceptable weight
Overweight	<25
Pre-obese	25-29.9	Overweight
Obese class I	30.0-34.9	Obesity
Obese class II	35.0-39.9	Obesity
Obese class III	>40	Morbid obesity