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Table 2 Numbers of individuals in each BMI category (underweight, ideal weight, overweight and obese) stratified by sex and age

From: Body mass index and measures of body fat for defining obesity and underweight: a cross-sectional, population-based study

Age (yr) Underweight Ideal weight Overweight Obese
  Men Women Men Women Men Women Men Women
20-29 2 4 111 103 53 42 15 42
30-39 2 1 76 73 83 34 34 30
40-49 0 2 61 63 102 60 43 50
50-59 0 1 42 54 123 58 57 70
60-69 2 2 43 46 103 52 63 54
70-79 2 2 59 37 121 53 56 40
80+ 3 3 67 27 97 27 26 15
All 11 15 459 403 682 326 294 301
  1. BMI body mass index (kg/m2).
  2. BMI categories: Underweight BMI < 18.5 kg/m2, ideal weight BMI 18.5-24.9 kg/m2, overweight BMI 25.0-29.9 kg/m2 and obese BMI ≥ 30.0 kg/m2.