The science of nutrition and healthy eating

4.4 Different BMI classifications for some population groups

In 2004, new BMI categories were stated for many Asian populations as additional trigger points for public health action (see Table 2) with:

  • 23 kg/m2or higher representing increased risk
  • 27.5 kg/m2 or higher representing high risk.

Table 2 BMI classifications for the Asian population

Category BMI (kg/m2)
Underweight less than 18.5
Increasing but acceptable risk 18.5 to 23
Increased risk 23 to 27.5
High risk 27.5 or higher