An official website of the United States government
CDC WONDER
WONDER online databases utilize a rich ad-hoc query system for the analysis of
public health data. Reports and other query systems are also available.
Data & Site Updates
Changes are coming to CDC WONDER! As part of CDC’s ongoing digital modernization, we’re improving how you access public health data. In the coming months, expect to see changes that make CDC WONDER easier to navigate and simpler to understand. Have feedback about any of the changes? Reach out to us at cwus@cdc.gov.
WONDER Online Databases
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AIDS Public Use Data
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Births
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Cancer Statistics
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Deaths:
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Environment:
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Online Tuberculosis Information System
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Population:
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Sexually Transmitted Disease Morbidity
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Vaccine Adverse Event Reporting
Denotes numerical data available to query or download
Page last reviewed: September 17, 2025
Content source: CDC WONDER