Health Impact Assessment

HIA provides decision-makers with information about how any policy, programme or project may affect the health of people. HIA seeks to influence decision-makers to improve the proposal. WHO supports the use of HIA because of its ability to influence policies, programmes and/or projects. This provides a foundation for improved health and well-being of people likely to be affected by such proposals.

In this web site, we provide information:

About HIA

On tools and methods to do HIA

On examples of HIA covering different topics, with a form for you to submit your work to this site.

We investigate how HIA contributes to policy making:

We describe the evidence used in HIA

We also provide links to other websites and describe our work in HIA:

There are links to:

Finally, information on methods that can be confused with HIA is provided:

Information package on environmental and occupational health
This brochure outlines WHO's strategy to tackle two major energy and health challenges: household energy and indoor air pollution, and transport and health for the developing world.
World Health Organization, 2005.
Full text

Guidance on evaluating an HIA
More information

Evidence that HIA works
More information

What is a WHO collaborating centre?
More information

Frequently Asked Questions (FAQs)
More information

Glossary
More information

Feedback on this HIA web site please e-mail: hia@who.int

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