Understanding disaster risk

Hazards do not have to turn into disasters. To break the vicious cycle of "Disaster, respond, recover, repeat.", we need a better understanding of disaster risk, in all its dimensions.
Components of Risk

Disaster risk is the consequence of the interaction between a hazard and the characteristics that make people and places vulnerable and exposed.


Risk drivers

Risk is influenced by the decisions we make. From climate change to poor urban planning, it is critical to understand and address risk drivers to curb disaster risk.

Key concepts

From deterministic and probabilistic risk to intensive and extensive risk, explore key concepts in disaster risk reduction.

Business case for DRR

Disaster risk reduction investments help mitigate human and economic losses caused by disasters. They can also contribute to economic growth and sustainable development.

Disaster Losses & Statistics

A snapshot of disaster losses in 2020, global statistics reports.

Global Risk Assessment Framework (GRAF)

The Global Risk Assessment Framework (GRAF) aims to improve the understanding and management of current and future risks, at all scales, to better manage uncertainties and mobilise people, innovation and finance.


The UNDRR Terminology aims to promote a common understanding and usage of disaster risk reduction concepts and to assist the disaster risk reduction efforts of authorities, practitioners and the public.

Α Walk through DRR History

Discover the early experiences and works of the disaster risk reduction pioneers between 1970 and 2000.