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Prevalence of ID and IDA in the World

Regions	Population with IDA (millions)	Prevalence of Anemia in Pregnant Women (%)
Africa	206	52
The Americas	94	40
Europe	27	18
Eastern Mediterranean	149	50
Southeast Pacific	616	74
Western Pacific	1058	40
Developed Countries		18
Developing Countries		56
Total	2150	51

Available information on Iron deficiency and Anemia in the Americas indicate that 94 million people suffer from ID or IDA.
Using Anemia as an indicator of IDA, De Maeyer(De Maeyer,1985), from data collected from multiple countries by WHO, estimated that 50% of children and women and 25% of men in developing countries, and 7% to 12% in developed countries are iron deficient.
The table shows the burden of Iron Deficiency Anemia in the world.

(From WHO, 1994; in Freire, 1997)