The Social Vulnerability Index (SVI)

Principal Investigator(s):  View help for Principal Investigator(s) United States Department of Health and Human Services. Centers for Disease Control and Prevention. Agency for Toxic Substances and Disease Registry

Version:  View help for Version V2

Name File Type Size Last Modified
  2000 03/02/2018 04:06:PM
  2010 03/02/2018 04:03:PM
  2014 03/02/2018 03:59:PM
  2016 03/02/2018 04:02:PM
SVIFactSheet.pdf application/pdf 427.8 KB 03/02/2018 11:13:AM

Project Citation: 

United States Department of Health and Human Services. Centers for Disease Control and Prevention. Agency for Toxic Substances and Disease Registry. The Social Vulnerability Index (SVI). Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2026-04-27. https://doi.org/10.3886/E101771V2

Project Description

Project Title:  View help for Project Title The Social Vulnerability Index (SVI)
Summary:  View help for Summary ATSDR’s Geospatial Research, Analysis & Services Program (GRASP) has created a tool to help emergency response planners and public health officials identify and map the communities that will most likely need support before, during, and after a hazardous event. The Social Vulnerability Index (SVI) uses U.S. Census data to determine the social vulnerability of every Census tract. Census tracts are subdivisions of counties for which the Census collects statistical data.The SVI ranks each tract on 14 social factors, including poverty, lack of vehicle access, and crowded housing, and groups them into four related themes. Maps of the four themes are shown in the figure below. Each tract receives a separate ranking for each of the four themes, as well as an overall ranking.

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Microdata: Yes                                                                                    
Level of Analysis: Local - County, Census Tract                                             
Variables Present: Yes                                                    
File Layout: .csv; geospatial   
Codebook: Yes - pdf.                                                                       
Methods: Yes                                       
Weights (with appropriate documentation): No                             
Publications: No                                                                              
Aggregate Data: No
Original Distribution URL:  View help for Original Distribution URL https://svi.cdc.gov/SVIDataToolsDownload.html

Scope of Project

Subject Terms:  View help for Subject Terms disasters; social vulnerability; hazardous events; geospatial
Geographic Coverage:  View help for Geographic Coverage United States
Time Period(s):  View help for Time Period(s) 2000 – 2016
Collection Date(s):  View help for Collection Date(s) 2016 – 2016; 2014 – 2014; 2010 – 2010; 2000 – 2000
Data Type(s):  View help for Data Type(s) geographic information system (GIS) data

Methodology

Geographic Unit:  View help for Geographic Unit tract, county

Related Publications

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Published Versions

V2 [2026-04-27]

V1 [2018-03-02]

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