The IEA is made up of 29 member countries. Before becoming a member country of the IEA, a candidate country must fulfil certain requirements, and the final decision rests with the Governing Board.
Growing economic interdependence and increasingly global energy market and environmental issues make IEA relations with non-member countries especially important.
Senior staff from the IEA participate in energy-related events all over the world, such as the Conference of the Parties to the United Nations Framework Convention on Climate Change (UNFCCC).
The IEA has long worked to build good working relationships with countries beyond its membership, in particular major energy consuming, producing and transit countries.
Definitions in this glossary of energy-related terms reflect those used by the IEA; definitions used by other organisations and publications may vary.