Outcomes Nutritional status

Adult underweight


Proportion of adults aged 20 and older with BMI <18.5 kg/m². Estimates are age-standardized.


Adults who are underweight may not be receiving the adequate amount of energy and macronutrients, placing them at greater risk for micronutrient deficiencies, osteoporosis, infection, and mortality. Women of reproductive age who are underweight may be at greater risk for adverse pregnancy outcomes if they become pregnant.