Country Overall rank Overall mean BMI (kg/m2) Female rank Female mean BMI (kg/m2) Male rank Male mean BMI (kg/m2) Nauru 1 32.5 4 32.8 1 32.1 Cook Islands 2 32.3 5 32.6 1 32.1 Niue 2 32.3 3 33.1 3 31.4 Tonga 4 31.9 1 33.5 4 30.4 Samoa 5 31.7 1 33.5 5 29.9 Kuwait 6 30.0 8 30.8 6 29.5 Saint Kitts and Nevis 7 29.7 7 30.9 14 28.4 Kiribati 8 29.6 10 30.5 11 28.7 Saint Lucia 8 29.6 11 30.2 9 28.9 Micronesia 10 29.4 6 31.0 24 27.8 Palau 10 29.4 21 29.5 7 29.4 Tuvalu 12 29.3 16 29.9 11 28.7 Egypt 13 29.2 9 30.7 28 27.6 Marshall Islands 13 29.2 14 30.0 14 28.4 Qatar 13 29.2 13 30.1 8 29.0 United Arab Emirates 16 29.0 17 29.7 13 28.6 Belize 17 28.9 11 30.2 34 27.5 Jordan 17 28.9 17 29.7 17 28.2 Bahamas 19 28.8 19 29.6 18 28.0 United States of America 19 28.8 29 28.8 10 28.8 Barbados 21 28.7 14 30.0 40 27.4 Trinidad and Tobago 21 28.7 23 29.4 22 27.9 Saudi Arabia 23 28.5 31 28.7 16 28.3 Antigua and Barbuda 24 28.4 21 29.5 46 27.3 Libya 24 28.4 19 29.6 48 27.2