Natural Hazard Mitigation Saves: 2019 Report
Natural Hazard Mitigation Saves - 2019 Report

Natural disasters are growing in frequency and strength.

Thankfully, there are measures that communities, local governments, land owners, developers, and tenants can take to reduce the impact of these hazards.

Mitigation protects lives, improves safety, prevents property loss, and decreases disruption of daily life.

The Natural Hazard Mitigation Saves: 2019 Report represents the most exhaustive benefit-cost analysis of natural hazard mitigation, from adopting up-to-date building codes and exceeding codes to addressing the retrofit of existing buildings and utility and transportation infrastructure. It was funded by the U.S. Department of Housing and Urban Development (HUD). Earlier editions of the report were funded by the Federal Emergency Management Agency (FEMA), U.S. Economic Development Administration (EDA), International Code Council (ICC), Insurance Institute for Business and Home Safety (IBHS), American Institute of Architects (AIA), and National Fire Protection Association (NFPA).

In 2005, the National Institute of Building Sciences Multi-Hazard Mitigation Council released the initial Natural Hazard Mitigation Saves study, which looked at the value of utilizing federal grants to assist with mitigation. The project was made possible through funding from FEMA.

Subsequent mitigation findings are detailed in past reports:

  • Natural Hazard Mitigation Saves: 2018 Interim report (This report covers adopting common code requirements. It was funded by ICC, IBHS, NFPA, and AIA.)

  • Natural Hazard Mitigation Saves: Utilities and Transportation Infrastructure (This report was funded by EDA.)

  • Natural Hazard Mitigation Saves: 2017 Interim Report (This report covers exceeding code requirements and federal grants. It was funded by FEMA.)

These findings provide the estimated national average benefit-cost ratio for five types of mitigation and perils, as shown below. Please note BCRs can vary geographically and can be much higher in some places.

Benefit-cost ratio table

The goal of Mitigation Saves is to help communities, building owners, and officials in the private finance, insurance, and real estate industries initiate a greater mitigation dialogue. We also aim to assist Congress and policymakers to develop effective federal programs that support pre-disaster mitigation and encourage more mitigation investments from the public and private sectors.

View the breakdown of our findings in our overview, download the complete set or access our two-pager factsheets for specific hazards and mitigation measures below.

wind

Adopt Codes- Hurricane Wind
Exceed Codes - Hurricane Wind
Retrofit - Hurricane Wind
Grants - Hurricane Wind

 

Adopt Codes- Riverine Flooding
Exceed Codes - Riverine Flooding
Exceed Codes - Hurricane Surge
Retrofit - Riverine Flooding
Grants - Riverine Flooding

 

Adopt Codes- Earthquake
Exceed Codes - Earthquake
Retrofit - Earthquake
Grants - Earthquake

 

Exceed Codes - Wildfire
Retrofit - Wildfire
Grants - Wildfire
 

 

Utilities and Transportation 

 

 

Population Exposure
Federal Savings 
Savings - Who Benefits
Retrofit - Total
Exceed Codes -Total
Federal Grants - Total

Sponsors and Supporters

                                          

Project Participants

Thirteen national experts developed the methodology with oversight by four committees, with a combined membership of 24 independent experts, who peer-reviewed the work and confirmed the results. In total, about 130 participants across 70 organizations, including the Office of Management and Budget (OMB), FEMA, HUD, EDA, and subject matter experts from the National Institute of Building Sciences under MMC, participated in these studies.

Contact Information

Jiqiu (JQ) Yuan, PE, PhD, PMP
Executive Director, Multi-Hazard Mitigation and Building Seismic Safety Council
National Institute of Building Sciences
jyuan@nibs.org

Christine Cube
Public Relations and Social Media Specialist
National Institute of Building Sciences
ccube@nibs.org

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