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What is the SVI?

Social vulnerability refers to the resilience of communities when confronted by external stresses on human health, stresses such as natural or human-caused disasters, or disease outbreaks. Reducing social vulnerability can decrease both human suffering and economic loss. CDC's Social Vulnerability Index uses 15 U.S. census variables at tract level to help local officials identify communities that may need support in preparing for hazards; or recovering from disaster.

The Geospatial Research, Analysis, and Services Program (GRASP) created and maintains CDC’s Social Vulnerability Index.

Contact the SVI Coordinator with comments or questions.

SVI Interactive MapSVI Interactive Map
Link to previous interactive SVI Map
fact sheet

 Fact Sheet

Learn about Social Vulnerability, the SVI, and its uses.



data and tools download

 Data & Tools Download

Download 2018, 2016, 2014, 2010, or 2000 SVI data and geoprocessing tools.



prepared county maps

 Prepared County Maps

View, save, and print SVI maps showing overall social vulnerability and the four themes at the census tract level for any county.

publications and materials

 Publications & Materials

Explore other SVI-related articles and materials produced by the CDC or our partners.


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