Prevalence of anemia among children (% of children under 5)

Definition: Prevalence of anemia, children under age 5, is the percentage of children under age 5 whose hemoglobin level is less than 110 grams per liter at sea level.

Description: The map below shows how Prevalence of anemia among children (% of children under 5) varies by country. The shade of the country corresponds to the magnitude of the indicator. The darker the shade, the higher the value. The country with the highest value in the world is Yemen, with a value of 79.50. The country with the lowest value in the world is United States, with a value of 6.10.

Source: World Health Organization, Global Health Observatory Data Repository/World Health Statistics (

See also: Country ranking, Time series comparison

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Limitations and Exceptions: Data for blood haemoglobin concentrations are still limited, compared to other nutritional indicators such as hild anthropometry. As a result, the estimates may not capture the full variation across countries and regions.

Statistical Concept and Methodology: Data on anemia are compiled by the WHO, and a statistical model was used to estimate trends. WHO’s hemoglobin threshold concentration in blood was used.

Aggregation method: Weighted average

Periodicity: Annual

General Comments: Anemia is defined as a low blood haemoglobin concentration. Anaemia may result from a number of causes, with the most significant contributor being iron deficiency. Anaemia resulting from iron deficiency adversely affects cognitive and motor development a