|
| | Age | Indicator | Normal weight | Overweight | Obese | Reference |
|
| Adults |
| International | ≥20 years | BMI (kg/m2) | 18.5–25.99 | ≥25.00 | ≥30.00 | Weir C. B., et al. BMI classification percentile and cut-off points. Treasure Island (FL): StatPearls publishing; 2023 Jan |
| Pre-obese: 25–29.99 | Class 1: 30.00–34.99 |
| Class 2: 35.00–39.99 |
| Class 3: ≥40.00 |
| South Asia | ≥20 years | BMI (kg/m2) | >23.4 | >25.2 | ≥26.6 | Weir C. B., et al. BMI classification percentile and cut-off points. Treasure Island (FL): StatPearls publishing; 2023 Jan |
| Indian Consensus Group 2009 | ≥20 years | BMI (kg/m2) | | 23–24.9 | ≥25 | Misra A, et al. J Assoc physicians India. 2009; 57 : 163–170 |
| ESI 2022 | ≥18 years | BMI (kg/m2) | 18.5–22.9 | 23–24.9 | Obesity grade 1: 25–29.9 | Madhu S. V., et al. Indian J endocrinol metab. 2022; 26 : 295–318 |
| Obesity grade 2: 30–34.9 |
| Obesity grade 3: >35 |
| Clinical Practice Guidelines, Singapore | ≥18 years | BMI (kg/m2) | 18.5–24.9 | 25.0–29.9 (pre-obese) | Obese class I: 30–34.9 | Clinical practice guidelines-obesity. Health promotion board, Singapore. 2016 |
| Obese class II: 35–39.9 |
| Obese class III: ≥40 |
| Ministry of Health Malaysia, Malaysian Endocrine and Metabolic Society, Malaysian Association for the Study of Obesity, and Malaysian Diabetes Association | ≥18 years | BMI (kg/m2) | 18.5–22.9 | ≥23 | Pre-obese: 23–27.4 | Clinical practice guidelines management of obesity, 2nd edition, 2023. Malaysia health technology assessment section |
| Obese I: 27.5–34.9 |
| Obese II: 35–39.9 |
| Obese III: ≥40 |
|
| Children |
| WHO 2006 | 0–60 months | BMI Z or WH Z | >-2 to ≤2 SD | >2 to ≤3 SD | >3 SD | Guideline: assessing and managing children at primary health-care facilities to prevent overweight and obesity in the context of the double burden of malnutrition: updates for the integrated management of childhood illness (IMCI). Geneva: World Health Organization; 2017 |
| At risk of overweight: >1 to ≤2 SD |
| WHO 2007 | 5–19 years | BMI Z | >−2 to ≤1 SD | >1 to ≤2 SD | >2 SD | WHO. BMI-for-age (5–19 years). Accessed on 1st September 2023 from https://www.who.int/tools/growth-reference-data-for-5to19-years/indicators/bmi-for-age |
| International Obesity Task Force | 2–18 years | Growth curve for BMI at age 18 | | BMI = 25 | BMI = 30 | Cole T. J., et al. BMJ. 2000; 320 : 1240-1243 |
| USA | 2–19 years | BMI percentile | ≥5th to <85th | ≥85th to <95th | ≥95th | Hampl S. E., et al. Paediatrics. 2023; 151: e2022060640 |
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