The IEA is made up of 28 member countries. Before becoming a member country of the IEA, a candidate country must demonstrate that it has:
There is a process to ascertain whether or not the potential member country can meet these requirements, during which the IEA Secretariat advises and works with the candidate country. The final decision rests with the Governing Board.
To be a member country of the IEA, a country must be a member country of the OECD. However, membership in the OECD does not automatically result in membership in the IEA. Chile, Estonia, Iceland, Israel, Mexico and Slovenia are member countries of the OECD but not of the IEA. In order to become a member country of the IEA, countries must meet certain requirements. (See above). Chile and Estonia, however, are currently candidate countries of the IEA.
For more information on IEA membership, click here.