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The science of nutrition and healthy eating
The science of nutrition and healthy eating

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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
(Source: WHO, 2004)