About This Map
LeadPollution.org is a repository of reputable data related to lead (Pb) exposures around
the world. Developed and managed by Pure Earth, it is intended for researchers and
policy makers globally.
This interactive map is a central repository, by country, for data sets, research, regulatory
information and more pertaining to the global health crisis of lead exposure and poisoning. The
intent of the website is to increase awareness, understand the drivers of this crisis, and
accelerate the pace of solutions.
Global Lead Exposure Statistics
- Annual deaths from lead exposure: 3.5 million
(IHME Global Burden of Disease, 2023)
- Percent of deaths attributable to lead in low- and middle-income countries: 83.1%
(IHME Global Burden of Disease, 2023)
- Total annual IQ loss in children, 0–5 years old: 763.6 million IQ points
(World Bank (Larsen, Sánchez-Triana), 2019)
- Percent of IQ loss in low- and middle-income countries: 94.5%
(World Bank (Larsen, Sánchez-Triana), 2019)
- Children 0–19 years old with blood lead level >5 μg/dL: 1.1 billion
(IHME Global Burden of Disease, 2023)
- Children 0–19 years old with blood lead level >10 μg/dL: 244.4 million
(IHME Global Burden of Disease, 2023)
- Average blood lead level, children 0–19 years old: 4.5 μg/dL
(IHME Global Burden of Disease, 2023)
- Average blood lead level, children 0–19 years old, low- and middle-income countries: 5.1 μg/dL
(IHME Global Burden of Disease, 2023)
- Average blood lead level, children 0–19 years old, high-income countries: 1.7 μg/dL
(IHME Global Burden of Disease, 2023)
- Associated cost of IQ loss in children 0–5 years old: $1.3 million annually
(World Bank (Larsen, Sánchez-Triana), 2019)
- Associated cost of cardiovascular disease deaths: $4.6 million annually
(World Bank (Larsen, Sánchez-Triana), 2019)
- Total annual cost: $5.9 million
(World Bank (Larsen, Sánchez-Triana), 2019)
Last updated: January 2026
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