A band around a child’s arm, indicating a red, orange or green malnutrition status.. MSF, Doctors Without Borders, Malnutrition

Malnutrition

Putting malnutrition in context

An estimated 149 million children under five years old around the world suffer from malnutrition, which is an underlying contributing factor in nearly half of all deaths in this age group.

Malnutrition remains one of the most pressing and complex challenges facing the world today. According to the latest Global Report on Food Crises, nearly 282 million people across 59 countries and territories faced severe acute hunger in 2023—an increase of 24 million since 2022, when numbers were already alarmingly high. This surge is caused by sharp deteriorations in food security, especially in Gaza and Sudan. This is the fourth consecutive year of strikingly high food insecurity across the world. Doctors Without Borders/Médecins Sans Frontières (MSF) continues to respond to the malnutrition crisis around the world, and our teams implemented considerable interventions in 2023. 

People become malnourished if they are unable to take in enough or fully utilise the food they eat, due to illnesses such as diarrhoea, measles, HIV, and tuberculosis. When children suffer from acute malnutrition, their immune systems are so impaired that they become more vulnerable to other diseases. Nearly half of deaths among children under five years old worldwide are linked to undernutrition, which can include wasting, stunting, being underweight, and suffering from deficiencies in vitamins and minerals. These deaths mostly occur in low- and middle-income countries. MSF estimates that only three percent of the 20 million children suffering from severe acute malnutrition receive the lifesaving treatment they need.

We can help prevent more children from dying if we change the way food aid is delivered.

Quick facts about malnutrition
MSF, Doctors Without Borders,Malnutrition Crisis in Zamfara state, Nigeria
Hamida Usman sits beside her daughter who is suffering from malnutrition, in the Inpatient Therapeutic Feeding Centre, General Hospital, Shinkafi, Zamfara state, Northwest Nigeria.
© Abba Adamu Musa/MSF
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What causes malnutrition?

In the first six months of life, breast milk is the only food a child needs—but beyond this point, breastfeeding alone is not sufficient. Diets at this stage must provide the right blend of high-quality protein, essential fats and carbohydrates, vitamins, and minerals. In the Sahel, the Horn of Africa, and parts of South Asia, highly nutritious foods such as milk, meats, and fish are severely lacking.

The critical age for malnutrition is from six months—when mothers generally start supplementing breast milk—to 24 months old. However, children under five, adolescents, pregnant or breastfeeding women, the elderly, and the chronically ill are also vulnerable.

For a child under the age of two, their diet will have a profound impact on their physical and mental development. Malnourished children under the age of five have severely weakened immune systems and are less resistant to common childhood diseases. This is why a common cold or a bout of diarrhea can kill a malnourished child. 

How MSF responds to malnutrition

MSF teams distributing ready-to-use therapeutic food supplements to help combat malnutrition in children in South Sudan

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