Data
Public evidence
Source-based pages with definitions, periods, coverage, and direct links to reports.
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WSI makes public data easier to understand and tests new ways to compare severe harms.
Data
Source-based pages with definitions, periods, coverage, and direct links to reports.
Explore dataReports
Short briefs and chart-led explanations for readers who want the main findings quickly.
Read reportsUSU Research
Published pilots that test intensity-by-time models while keeping the source evidence visible.
Explore researchWSI explains what major statistics about severe human harms count, how related measures differ, and what conclusions they can support.
Explore what the numbers mean