Notes: 95% confidence intervals are represented by error bars.
Among children 1 to 5 years of age.
CDC currently uses ≥5 µg/dL as a reference level to identify children with elevated blood lead levels.
Totals include data for racial/ethnic groups not shown separately.
Data Source: The National Health and Nutrition Examination Survey.
Source: Centers for Disease Control and Prevention: Percentage of Children Aged 1–5 Years with Elevated Blood Lead Levels, by Race/Ethnicity — National Health and Nutrition Examination Survey, United States, 1988–1994, 1999–2006, and 2007–2014