To determine a ranking of countries around the world based on their natural disaster risk, the WRI developed by UNU-EHS and BEH determines the risk of becoming a victim of a disaster as a result of vulnerability and natural hazards such as earthquakes, volcanic eruptions, storms, floods, droughts, and sea-level rise for 173 countries worldwide.
The report systematically considers a country's vulnerability and its exposure to natural hazards to determine a ranking of countries around the world based on their natural disaster risk. The WRI developed by UNU-EHS and BEH the main feature of the WRR, determines the risk of becoming a victim of a disaster as a result of vulnerability and natural hazards such as earthquakes, volcanic eruptions, storms, floods, droughts and sea level rise for 173 countries worldwide. 
