World Health Organization criteria for public health significance of anemia
| Prevalence of Anemia, % | Category of Public Health Significance |
|---|---|
| ≤4.9 | No public health problem |
| 5.0–19.9 | Mild public health problem |
| 20.0–39.9 | Moderate public health problem |
| ≥40.0 | Severe public health problem |
Note: The more prevalent the condition, the more severe it is seen as a public health problem within a population.6