Impact assessment, simply defined, is the process of identifying the future consequences of a current or proposed action.

IAIA is the International Association for Impact Assessment, the leading global network on best practice in the use of impact assessment for informed decision making regarding policies, programs, plans and projects.

IAIA was organized in 1980 to bring together researchers, practitioners, and users of various types of impact assessment from all parts of the world. Our members, numbering nearly 1100 members from 110 nations, represent many disciplines and professions. Our annual conferences regularly welcome over 700 participants, and our regional symposia and other events focus attention on specific topics. Available resources include a quarterly professional journal, downloadable publications, training options, and much more.

Impact assessment, simply defined, is the process of identifying the future consequences of a current or proposed action.

IAIA is the International Association for Impact Assessment, the leading global network on best practice in the use of impact assessment for informed decision making regarding policies, programs, plans and projects.

IAIA was organized in 1980 to bring together researchers, practitioners, and users of various types of impact assessment from all parts of the world. IAIA involves people from many disciplines and professions. Our members include corporate planners and managers, public interest advocates, government planners and administrators, private consultants and policy analysts, university and college teachers and their students.

IAIA activities seek to (1) develop approaches and practices for comprehensive and integrated impact assessment, (2) improve assessment procedures and methods for practical application, (3) promote training of impact assessment and public understanding of the field, (4) provide professional quality assurance by peer review and other means, and (5) share information networks, timely publications, and professional meetings.

IAIA Members

IAIA members number more than 1,700 and represent over 120 countries. An additional 3000+ members are represented by IAIA Affiliates, active in Brazil, Cameroon, Germany, Ghana, Iran, Italy, Korea, Mozambique, New Zealand, Nigeria, Ontario (Canada), Portugal, Quebec (Canada), South Africa, Spain, Western & Northern Canada and Zambia.

Best Practice Principles