Key Takeaways
- In 2023, approximately 149 million children under age five worldwide suffered from stunting, a form of chronic malnutrition caused by insufficient nutrient intake over a prolonged period
- Around 45 million children under five were wasted globally in 2022, indicating acute malnutrition with rapid weight loss relative to height
- 37 million children under five experienced overweight in 2022, often linked to poor diets amid broader malnutrition crises
- In 2022, 9 million children under five died before reaching their fifth birthday, many due to hunger-related causes
- Sub-Saharan Africa accounted for 57% of global under-five deaths in 2022, largely linked to malnutrition
- Nigeria had the highest number of under-five deaths globally at 736,000 in 2022, with malnutrition as a key factor
- Iron deficiency affected 25% of preschool children globally, leading to anemia in 40 million under-fives
- Vitamin A deficiency caused 670,000 child deaths in 2022, mostly under five
- Iodine deficiency impaired cognitive development in 30% of children in deficient areas worldwide
- Malnutrition contributes to 45% of all deaths in children under five worldwide
- Severe acute malnutrition has a case fatality rate of 10-20% without treatment
- Stunting is associated with 20% increased risk of death from infectious diseases in under-fives
- In 2022, global under-five stunting prevalence stagnated at 22%, reversing prior declines
- Wasting prevalence among under-fives increased from 6.7% in 2012 to 7.3% in 2022
- Child overweight rose 13% globally from 2000 to 2020 in under-fives
The latest statistics reveal that child malnutrition remains a devastating and widespread global crisis.
Mortality and Morbidity
Mortality and Morbidity Interpretation
Nutritional Deficiencies
Nutritional Deficiencies Interpretation
Prevalence and Numbers
Prevalence and Numbers Interpretation
Regional and Country-Specific
Regional and Country-Specific Interpretation
Trends and Projections
Trends and Projections Interpretation
Sources & References
- Reference 1DATAdata.unicef.orgVisit source
- Reference 2WHOwho.intVisit source
- Reference 3FAOfao.orgVisit source
- Reference 4WFPwfp.orgVisit source
- Reference 5UNICEFunicef.orgVisit source
- Reference 6THELANCETthelancet.comVisit source
- Reference 7NCBIncbi.nlm.nih.govVisit source
- Reference 8ACADEMICacademic.oup.comVisit source
- Reference 9DHSPROGRAMdhsprogram.comVisit source
- Reference 10UNAIDSunaids.orgVisit source
- Reference 11IFPRIifpri.orgVisit source






