Glossary

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Body Mass Index (BMI)

    The international standard for measuring underweight, overweight, and obesity is the Body Mass Index (BMI), defined as weight (in kg) divided by the square of one's height (in m): kg/m2. For assessing obesity in adult populations, the BMI (Body Mass Index) categories are:

    • BMI less than 17 kg/m2 for underweight
    • BMI 25 kg/m2 for overweight (Pre-obese: BMI 25.0-29.9 kg/m2)
    • BMI 30 kg/m2 for obesity

    © UNECE